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1. general description the TEA6848HL is a single ic with car radio tuner for am, fm and weather band (wb) intended for microcontroller tuning with the i 2 c-bus. it provides t he following functions: ? am double conversion receiver for lw, mw and sw (31 m, 41 m and 49 m bands) with if1 = 10.7 mhz and if2 = 450 khz ? fm double conversion receiver with integrated image rejection for if1 and for if2 capable of selecting us fm, us weather, europe fm, east europe fm and japan fm bands; fully integrated dy namic selectivity at 450 khz fm if2; fm demodulator with dynamic threshold extension; center frequency alignment of if2 selectivity via the i 2 c-bus ? the tuning system includes vco, crystal oscillator and pll synthesizer on one chip 2. features ? fm mixer 1 for conversion of fm rf (65 mhz to 108 mhz and us weather band) to if of 10.7 mhz; the mixer provides inherent image rejection; for european and us fm band/wb (weather band) the mi xer is driven with a ?high? injection lo cal oscillator (lo); in japan fm band and east europe fm band the mixer is driven with a ?low? injection lo ? am mixer 1 for conversion of am rf to am if1 of 10.7 mhz ? lc tuner oscillator providing mixer frequencies for fm mixer and am mixer 1 ? am mixer 2 for conversion of am if1 to am if2 of 450 khz ? crystal oscillator providin g mixer frequencies for am mixer 2 and fm mixer 2 and reference for synthesizer pll, if count, timing for radio data system (rds) update and reference frequency for car audio signal processor ics ? fast synthesizer pll tuning system with local control for inaudible rds updating ? timing function for rds update algorithm and c ontrol signal output for car audio signal processor ics (tea688 x, saa77xx, tef689x) ? digital alignment circuit for bus controlled matching of os cillator tuning voltage to fm antenna tank circuit tuning voltage ? agc pin diode drive circuit for fm rf agc; agc detection at fm mixer input; the agc pin diode drive can be activated by the i 2 c-bus as a local function for search tuning; agc threshold is a programmable and keyed function switchable via the i 2 c-bus ? fm if linear amplifier with high dynamic input range ? fm mixer 2 for conversion of fm if1 to fm if2 of 450 khz with inherent image rejection TEA6848HL new in car entertainment car radio tuner ic with precision adjacent channel suppression (nice-pacs) rev. 04 ? 29 january 2010 product data sheet
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 2 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) ? fully integrated dynamic selectivity and fm demodulator at if2; improved sensitivity with dynamic threshold extension; center freq uency of if2 selectivity alignment via the i 2 c-bus ? level detector for am and fm with temperature compensate d output voltage; starting point and slope of level output is programmable via the i 2 c-bus ? am cascode agc stage and rf pin diode drive circuit; ag c threshold detection at am mixer 1 and if2 agc input; threshold for detection at mixer 1 input is programmable via the i 2 c-bus ? am if2 agc and demodulator ? am af output switchable to provide am if2 for am stereo decoder ? am noise blanker with detection at if1 and blanking at am if2 ? software controlled flag output ? buffer output for weather band flag ? adjacent channel detector, modulation detec tor and frequency offset for instantaneous bandwidth control of the integrated filter ? flag and voltage output indicating the actual bandwidth ? i 2 c-bus alignment of center frequency and gain variation as functions of bandwidth of the if2 filter and center frequency of the offset detector 3. quick reference data table 1. quick reference data symbol parameter conditions min typ max unit v dda(n) analog supply voltages 1 to 4 and 6 8 8.5 9 v i dda(tot) total analog supply current fm mode [1] 45 56 67 ma am mode [1] 40 50 60 ma v dda5 analog supply voltage 5 4.75 5 5.25 v i dda5 analog supply current 5 for on-chip power supply fm mode; japan/east europe band - 7.4 - ma am mode - 11 - ma v ddd digital supply voltage 4.75 5 5.25 v i ddd digital supply current fm mode; europe/us band 21 26 31 ma am mode 22 27 32 ma t amb ambient temperature ? 40 - +85 c am overall system parameters; see figure 12 and figure 13 f am(ant) am input frequency lw 0.144 - 0.288 mhz mw 0.522 - 1.710 mhz sw 5.730 - 9.99 mhz (s+n)/n signal plus noise-to-noise ratio m = 0.3; b af = 2.15 khz - 59 - db thd total harmonic distortion m = 0.8; f mod = 1 khz - 0.3 - % v sens(rms) sensitivity (rms value) m = 0.3; f mod = 1 khz; (s+n)/n = 26 db; with european dummy aerial 15 pf/60 pf; b af = 2.15 khz - 45 - v
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 3 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) [1] sum of analog supply currents 1 to 4 and 6. 4. ordering information fm overall system parameters; see figure 12 and figure 13 f fm(ant) fm input frequency 65 - 108 mhz f fm(wb)(ant) fm weather band input frequency 162.4 - 162.55 mhz (s+n)/n signal plus noise-to-noise ratio f = 22.5 khz; de-emphasis = 50 s; b af = 300 hz to 15 khz - 63 - db thd total harmonic distortion f = 75 khz; with 2 sfe10.7ms3 - 0.35 - % v sens(rms) sensitivity (rms value) f = 22.5 khz; f mod = 1 khz; (s+n)/n = 26 db; de-emphasis = 50 s; b af = 300 hz to 15 khz; with 75 dummy antenna - 1.4 2 v table 1. quick reference data ?continued symbol parameter conditions min typ max unit table 2. ordering information type number package name description version TEA6848HL lqfp80 plastic low profile quad flat package; 80 leads; body 12 12 1.4 mm sot315-1
xxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx x xxxxxxxxxxxxxx xxxxxxxxxx xxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxx xx xxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxx xxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx xxxxxxxxxxxxxx xxxxxx xx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxx xxxxx x x TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 4 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 5. block diagram fig 1. block diagram daa rds update crystal oscillator power supply vco am mixer 1 am mixer 2 am agc 90 fm i/q mixer 1 fm agc tuning system am noise detector peak/ average blank pulse level daa 10/ 20 1/ 2/ 3 90 if count TEA6848HL am demod fm mixer 2 2 mux if filter fm demod stabi buffer bandwidth control x1/ x15 amplifier mpxout 19 18 15 14 13 12 11 10 9 87 6 54 321 20 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 daain daatd daaout tkeyedagc tfmagc ifmagc wbflag fmmixin2 fmmixin1 v ref(mix) i.c. rfgnd iamagc vamcas vamcasfb ammix1in ammix1dec swflag v dda2 mix1out2 mix1out1 fmlimdcfdb1 amif2dec amnbhold ifampout ifcdaatest fmmix2dec coffset fmmix2in if1gnd amif2in v dda1 ifampin ifampdec if2filq if2fili fmlimdcfdb2 ireffmif2 thfamagc tafamagc 41 42 43 44 45 46 47 48 49 50 52 51 53 54 55 56 57 58 59 60 moddet v dda5 fmmpx rdsmpx amafif2 trdsmute afhold afsample mpxdcfdb v dda4 osctnk oscfdb vcognd dgnd v ddd fref v dda3 cpout v tune i.c. 61 v dda6 ifbwflag sda scl v ifbw if2gnd cint modetout tacd v level(amfm) xtal1 xtalgnd xtal2 v level(acd) acdthres iref ammix2out1 ammix2out2 cagc v ref(lim) 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 am level level wb level 20.5 mhz fm am wb/japan/oirt 21 17 16 antenna am stereo mute rds i 2 c-bus i 2 c-bus i 2 c-bus i 2 c-bus i 2 c-bus i 2 c-bus i 2 c-bus i 2 c- bus coa059
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 5 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 6. pinning information 6.1 pinning 6.2 pin description fig 2. pin configuration TEA6848HL fmlimdcfdb1 moddet fmlimdcfdb2 v dda5 amif2dec fmmpx ireffmif2 rdsmpx amnbhold amafif2 amif2in trdsmute if1gnd afhold fmmix2in afsample coffset mpxdcfdb fmmix2dec v dda4 ifcdaatest osctnk ifampout oscfdb v dda1 vcognd ifampin dgnd ifampdec v ddd if2filq fref if2fili v dda3 mix1out1 cpout mix1out2 v tune v dda2 i.c. swflag v ref(lim) ammix1dec cagc ammix1in ammix2out2 vamcasfb ammix2out1 vamcas iref tafamagc acdthres thfamagc v level(acd) iamagc xtal2 v ref(mix) xtalgnd fmmixin1 xtal1 rfgnd v level(amfm) i.c. tacd fmmixin2 modetout wbflag cint ifmagc if2gnd tfmagc v ifbw tkeyedagc scl daaout sda daatd ifbwflag daain v dda6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 001aah251 table 3. pin description symbol pin description fmlimdcfdb1 1 decoupling in-phase fm limiter fmlimdcfdb2 2 decoupling quadrature phase fm limiter amif2dec 3 decoupling for am if2 input ireffmif2 4 reference current for fm if2 amnbhold 5 am noise blanker threshold amif2in 6 am if2 input (450 khz) for demodulator agc and am level detector
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 6 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) if1gnd 7 am if1 ground fmmix2in 8 fm mixer 2 input coffset 9 dc feedback for offset compensation rds mute fmmix2dec 10 fm mixer 2 decoupling ifcdaatest 11 test pin for if center daa ifampout 12 if amplifier output (10.7 mhz) v dda1 13 analog supply voltage 1 (8.5 v) for fm if amplifier ifampin 14 fm if amplifier and am mixer 2 input (10.7 mhz) ifampdec 15 fm if amplifier and am mixer 2 decoupling if2filq 16 test output quadrature phase fm if2 filter if2fili 17 test output in-phase fm if2 filter mix1out1 18 fm mixer and am mixer 1 if output 1 (10.7 mhz) mix1out2 19 fm mixer and am mixer 1 if output 2 (10.7 mhz) v dda2 20 analog supply voltage 2 (8.5 v) for fm and am rf swflag 21 output software programmable flag ammix1dec 22 am mixer 1 decoupling ammix1in 23 am mixer 1 input vamcasfb 24 feedback for cascode am agc vamcas 25 cascode am agc tafamagc 26 af time constant of am front-end agc thfamagc 27 hf time constant of am front-end agc iamagc 28 pin diode drive cu rrent output of am front-end agc v ref(mix) 29 reference voltage for fm rf mixer fmmixin1 30 fm rf mixer input 1 rfgnd 31 rf ground i.c. 32 internal connection fmmixin2 33 fm rf mixer input 2 wbflag 34 buffered weather band flag output ifmagc 35 pin diode drive cu rrent output of fm front-end agc tfmagc 36 time constant of fm front-end agc tkeyedagc 37 time constant of keyed fm front-end agc daaout 38 output of digital auto alignment circuit for antenna tank circuit daatd 39 temperature compensation diode for digital auto alignment circuit for antenna tank circuit daain 40 input of digital auto alignment circuit for antenna tank circuit i.c. 41 internal connection v tune 42 tuning voltage cpout 43 charge pump output v dda3 44 analog supply voltage 3 (8.5 v) for tuning pll fref 45 reference frequency output for signal processor ic v ddd 46 digital supply voltage (5 v) dgnd 47 digital ground table 3. pin description ?continued symbol pin description
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 7 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 7. functional description 7.1 oscillators 7.1.1 vco the varactor tuned vco provides the local oscillator si gnal for both fm and am mixer 1. it has a frequency range of 162.9 mhz to 248.2 mhz. vcognd 48 vco ground oscfdb 49 vco feedback osctnk 50 vco tank circuit v dda4 51 analog supply voltage 4 (8.5 v) for vco mpxdcfdb 52 dc feedback for fm mpx signal path afsample 53 af sample flag output for car audio signal processor ic afhold 54 af hold flag output for car audio signal processor ic trdsmute 55 time constant for rds update mute amafif2 56 am demodulator af output or if2 output for am stereo (multiplexed by i 2 c-bus) rdsmpx 57 mpx output for rds decoder and signal processor (not muted) fmmpx 58 fm demodulator mpx output v dda5 59 analog supply voltage 5 (5 v) for on-chip power supply moddet 60 modulation detector input v dda6 61 analog supply voltage 6 (8.5 v) for on-chip power supply ifbwflag 62 fm if2 bandwidth flag output sda 63 i 2 c-bus data line input and output scl 64 i 2 c-bus clock line input v ifbw 65 monitor voltage for fm if2 bandwidth if2gnd 66 am if2 ground cint 67 demodulator loop filter modetout 68 modulation detector output tacd 69 adjacent channel detector time constant v level(amfm) 70 level voltage output for am and fm xtal1 71 crystal oscillator 1 xtalgnd 72 crystal oscillator ground xtal2 73 crystal oscillator 2 v level(acd) 74 level voltage output for adjacent channel detector acdthres 75 adjacent channel detector threshold iref 76 reference current for power supply ammix2out1 77 am mixer 2 output 1 (450 khz) ammix2out2 78 am mixer 2 output 2 (450 khz) cagc 79 am if agc capacitor/offset detector alignment (fm) v ref(lim) 80 limiter reference voltage table 3. pin description ?continued symbol pin description
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 8 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 7.1.2 pll fast synthesizer pll tuning system with local control for inaudible rds updating. 7.1.3 crystal oscillator the crystal oscillator provides a 20.5 mhz signal that is used for: ? reference frequency for frequency synthesizer pll ? local oscillator for am mixer 2 and fm mixer 2 ? reference frequency for the if counter ? timing signal for the rds update algorithm ? reference frequency (75.368 khz) for the tea688x (car audio signal processor - casp) or tef689x (car radio inte grated signal processor - crisp) 7.2 daa to reduce the number of manual alignments in production the following i 2 c-bus controlled digital auto alignment (daa) functions are included: ? fm rf daa ? 7-bit daa circuitry for the conversion of the vco tuning voltage to a controlled alignment voltage for the fm antenna tank circuit ? fm and am level daa ? level daa circuitry for alignment of slope (3-bit) and starting point (5-bit) of the level curve ? if2 center daa ? center frequency alignment (7-bit) of integrated fm if2 dynamic selectivity 7.3 fm signal channel 7.3.1 fm mixer 1 fm quadrature mixer converts fm rf (65 mhz to 108 mhz and weather band) to if of 10.7 mhz. the fm mixer provides inherent image rejection and high rf sensitivity. it is capable of tuning the us fm, us weather, europe fm, japan fm and east europe fm bands: ? us fm = 87.9 mhz to 107.9 mhz ? us weather fm = 162.4 mhz to 162.55 mhz ? europe fm = 87.5 mhz to 108 mhz ? japan fm = 76 mhz to 91 mhz ? east europe fm = 65 mhz to 74 mhz 7.3.2 buffer output for weather band flag (pin wbflag) the buffer output on pin wbflag is high for weather band mode.
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 9 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 7.3.3 fm keyed agc the agc threshold is programmable and the keyed agc function is switchable via the i 2 c-bus. agc detection occurs at the input of the first fm mixe r. if the keyed agc function is activated, the agc is keyed only by th e narrow band level. the agc pin diode drive can be activated via the i 2 c-bus as a local function for search tuning. the agc sources a constant 10 ma current into the fm pin diode in am mode. 7.3.4 fm if amplifier the fm if amplifier provides 18 db amplification with high linearity over a wide dynamic range. 7.3.5 fm mixer 2 the fm mixer 2 converts 10.7 mhz fm if1 to 450 khz fm if2 in i and q phase to achieve image rejection in the demodulator. 7.3.6 fm if2 dynamic selectivity the if bandwidth of the fm if2 is automatically adjusted depending on modulation and reception conditions. the center frequency of the selectivity is adjusted by a 7-bit instruction via the i 2 c-bus. the dynamic selectivity mode and three fixed bandwidths (60 khz, 90 khz and 130 khz) can be selected via the i 2 c-bus. the if2 bandwidth is set to 13 khz in weather band mode. 7.3.7 fm quadrature demodulator the fm quadrature demodulator is adjustment free. 7.3.8 adjacent channel detector and threshold extension in the event of breakthrough of a strong ne ighboring transmitter, the if2 bandwidth is reduced dynamically. at low rf input voltages and lo w modulation levels the if2 bandwidth is reduced to achieve improved se nsitivity by demodulator threshold extension. 7.3.9 bandwidth control ?active? flag (pin ifbwflag) flag output ifbw = 1 from pin ifbwflag indicates that the if2 bandwidth is reduced. 7.3.10 bandwidth control monitor voltage (pin v ifbw ) the actual bandwidth is indicated by a voltage at pin v ifbw that is proportional, not linear, to the if bandwidth. 7.4 am signal channel 7.4.1 am tuner including mixer 1 and mixer 2 the am tuner is realized in a double conversion technique and is capable of selecting lw, mw and sw bands.
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 10 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) am mixer 1 converts am rf to if1 of 10.7 mhz, while am mixer 2 converts if1 of 10.7 mhz to if2 of 450 khz: ? lw = 144 khz to 288 khz ? mw = 530 khz to 1 710 khz (us am band) ? sw = 5.73 mhz to 9.99 mhz (including the 31 m, 41 m and 49 m bands) 7.4.2 am rf agc the am wideband agc in front of the first am mixer is realized first by a cascaded npn transistor, which controls the transconductance of the rf amplifier jfet with 10 db of agc range. second, an am pin diode stage with antenna type and frequency dependent agc range is available. the minimum jfet drain source voltage is controlled by a dc feedback loop (pin vamcasfb) in order to limit the cascode agc range to 10 db. if the cascode agc is not required, a simple rf ag c loop is possible by using only a pin diode. in this event pins vamcasfb and vamcas have to be open-circuit. in fm mode, the cascade switches off the jfet bias current to reduce total power consumption. the pin diode is biased by 1 ma in fm mode. the agc detection points for am agc are at the first am mixer input (threshold programmable via the i 2 c-bus) and the if2 agc input (fixed threshold). 7.4.3 am detector the am output provides either a detected am af or the corresponding am if2 signal. the if2 signal can be used for am stereo decoder processing. soft mute function is controlled by the i 2 c-bus in am mono mode. 7.4.4 am noise blanker the detection point for the am noise blanker is the output stage of am mixer 1, while blanking is realized at the output of the mixer 2. trigger sensitivity can be modified by adding an external resistor at pin amnbhold. 7.5 fm and am level detector fm and am level detectors provide the temperature compensated output voltage. the starting points and slopes of the level detector outputs are programmable via the i 2 c-bus. 7.6 if2 filter gain alignment the 4-bit filter gain alignment reduces the change in if filter gain spread when the bandwidth is changed in dynamic mode from 155 khz (maximum) to 25 khz (minimum). a frequency has to be chosen in the middle of european/us fm band, japan band or oirt band (for east europe) and the ic has to be set into dynamic bandwidth mode (if2 bandwidth is 155 khz). setting and clearing the fmbw bit continuo usly allows the adjustment of the gain alignment to minimum change in am/fm dc level.
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 11 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 7.7 frequency offset detector/alignment a very strong undesired neighboring signal caus es offset in the demodulator in case of a weak desired input signal. the frequency offset detector reduces the band width of the if2 filter when the detected offset in the demodulator is too large. there are four bits available for frequency offs et detector alignment. every band has to be aligned separately. tuning has to be set to middle of the band, input signal unmodulated, bit ifbw = 1 (alignment voltage will be given to pin ifbwflag). the dc voltage at pin ifbwflag has to be aligned to the minimum value. 8. i 2 c-bus protocol 8.1 data transfer mode and ic address [1] defined by address pin fref: a) 1 = 1st ic address b) 0 = 2nd ic address [2] read or write mode: a) 0 = write operation to TEA6848HL b) 1 = read operation from TEA6848HL 8.2 write mode: data byte 0 (1) s = start condition. (2) a = acknowledge. (3) p = stop condition. fig 3. write mode (1) s = start condition. (2) a = acknowledge. fig 4. read mode table 4. ic address byte ic address mode 1 1 0 0 0 0 0/1 [1] r/ w [2] 001aah43 4 s (1) address (write) a (2) data byte(s) a (2) p (3) 001aah43 5 s (1) address (read) a (2) data byte 1 table 5. format of data byte 0 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 af pll14 pll13 pll12 pll11 pll10 pll9 pll8
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 12 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 8.3 write mode: data byte 1 8.4 write mode: data byte 2 8.5 write mode: data byte 3 table 6. description of data byte 0 bits bit symbol description 7 af alternative frequency. if af = 0, then normal operation. if af = 1, then af (rds) update mode. 6 to 0 pll[14:8] setting of programmable counter of synthesizer pll. upper byte of pll divider word. table 7. format of data byte 1 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 pll7 pll6 pll5 pll4 pll3 pll2 pll1 pll0 table 8. description of data byte 1 bits bit symbol description 7 to 0 pll[7:0] setting of programmable counter of synthesizer pll. lower byte of pll divider word. table 9. format of data byte 2 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 mute daa6 daa5 daa4 daa3 daa2 daa1 daa0 table 10. description of data byte 2 bits bit symbol description 7 mute fm audio mute. if mute = 0, then fm audio not muted. if mute = 1, then fm audio muted; writing to programm able divider and antenna daa enabled. 6 to 0 daa[6:0] setting of antenna digital auto alignment table 11. format of data byte 3 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 ifmt fref2 fref1 fref0 ifpr bnd1 bnd0 amfm table 12. description of data byte 3 bits bit symbol description 7 ifmt if measuring time. if ifmt = 0, then if measuring time is 20 ms. if ifmt = 1, then if measuring time is 2 ms. 6 to 4 fref[2:0] reference frequency for synthesizer. these 3 bits determine the reference frequency, see ta b l e 13 .
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 13 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 8.6 write mode: data byte 4 3 ifpr if counter prescaler ratio. if ifpr = 0, then if prescaler ratio is 40. if ifpr = 1, then if prescaler ratio is 10. 2 and 1 bnd[1:0] band switch. these 2 bits select in fm mode band and local or distance, see table 14 ; in am mode band and am stereo, see ta b l e 15 . 0 amfm am or fm switch. if amfm = 0, then fm mode. if amfm = 1, then am mode. table 13. reference frequency setting fref2 fref1 fref0 f ref (khz) 0 0 0 100 1 0 0 50 0 1 0 25 1 1 0 20 0 0 1 10 1 0 1 10 0 1 1 10 1 1 1 10 table 14. fm mode bnd1 bnd0 frequency band vco divider charge pump current 0 0 fm standard 2 130 a + 3 ma 0 1 fm japan 3 130 a + 3 ma 1 0 fm east europe 3 1 ma 1 1 fm weather 1 300 a table 15. am mode bnd1 bnd0 frequency band vco divider charge pump current 0 0 am sw mono 10 1 ma 0 1 am sw stereo 10 1 ma 1 0 am lw/mw mono 20 1 ma 1 1 am lw/mw stereo 20 1 ma table 12. description of data byte 3 bits ?continued bit symbol description table 16. format of data byte 4 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 kagc agc1 agc0 amsm/fmbw lodx flag bw1 bw0
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 14 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 8.7 write mode: data byte 5 table 17. description of data byte 4 bits bit symbol description 7 kagc keyed fm agc. if kagc = 0, then keyed fm agc is off. if kagc = 1, then keyed fm agc is on. 6 and 5 agc[1:0] wideband agc. these 2 bits set the start value of wideband agc. for am, see ta b l e 18 and for fm, see ta b l e 19 . 4 amsm/fmbw am soft mute or fm bandwidth. am mode: if amsm/fmbw = 0, then am soft mute is off; if amsm/fmbw = 1, then am soft mute is on. fm mode: see table 20 . 3 lodx local or distance. if lodx = 0, then distance mode is on. if lodx = 1, then local mode is on. 2 flag software programmable flag. if flag = 0, then flag output pin swflag is high. if flag = 1, then flag output pin swflag is low. 1 and 0 bw[1:0] fm if2 bandwidth setting. see ta b l e 20 . table 18. setting of wideband agc for am (m = 0.3) agc1 agc0 am mixer 1 input voltage (peak value) (mv) 0 0 150 0 1 275 1 0 400 1 1 525 table 19. setting of wideband agc for fm agc1 agc0 fm rf mixer input voltage (rms value) (mv) 1 1 3 1 0 6 0 1 9 0 0 12 table 20. fm if2 bandwidth setting fmbw bw1 bw0 fm if2 bandwidth b ? 3db 0 0 0 dynamic mode 0 0 1 130 khz fixed 0 1 0 90 khz fixed 0 1 1 60 khz fixed 1 0 0 25 khz frequency offset alignment mode; bandwidth flag output switched to frequency offset detector alignment voltage table 21. format of data byte 5 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 lst4 lst3 lst2 lst1 lst0 lsl2 lsl1 lsl0
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 15 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 8.8 write mode: data byte 6 8.9 write mode: data byte 7 8.10 read mode: data byte 0 table 22. description of data byte 5 bits bit symbol description 7 to 3 lst[4:0] setting of level daa starting point. these 5 bits determine the offset of the level detec tor output voltage. 2 to 0 lsl[2:0] setting of level daa slope. these 3 bits determine the steepness of the level detector output voltage. table 23. standard setting of data byte 5 bits setting of level daa starting point setting of level daa slope lst4 lst3 lst2 lst1 lst0 lsl2 lsl1 lsl0 1 0 0 0 0 1 0 0 table 24. format of data byte 6 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 te cf6 cf5 cf4 cf3 cf2 cf1 cf0 table 25. description of data byte 6 bits bit symbol description 7 te threshold extension. if te = 0, then threshold extension is off. if te = 1, then threshold extension is on. 6 to 0 cf[6:0] setting of fm if2 center frequency daa. the content of cf6 to cf0 determines the center frequency of the 450 khz filter. table 26. format of data byte 7 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 fof3 fof2 fof1 fof0 fgn3 fgn2 fgn1 fgn0 table 27. description of data byte 7 bits bit symbol description 7 to 4 fof[3:0] frequency offset gain alignment 3 to 0 fgn[3:0] if2 filter gain alignment table 28. format of 1st data byte bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 ifc7 ifc6 ifc5 ifc4 ifc3 ifc2 ifc1 ifc0 table 29. description of data byte 0 bits bit symbol description 7 to 0 ifc[7:0] if counter result. these bits contain the least significant 8 bits of the if counter result.
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 16 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 8.11 i 2 c-bus specification information about the i 2 c-bus can be found in the user manual um10204 ?i 2 c-bus specification and user manual? . the standard i 2 c-bus specification is expanded by the following definitions. ic addresses: ? 1st ic address c2h: 1100 001r/ w ? 2nd ic address c0h: 1100 000r/ w structure of the i 2 c-bus logic: slave transceiver with auto increment. subaddresses are not used. a second i 2 c-bus address can be selected by connecting pin fref via a 68 k resistor to gnd. 8.11.1 data transfer data sequence: address, byte 0, byte 1, byte 2, byte 3, byte 4, byte 5, byte 6, and byte 7. the data transfer has to be in this order. the lsb = 0 indicates a write operation to the TEA6848HL. bit 7 of each byte is considered the msb and has to be transferred as the first bit of the byte. the data becomes valid at the output of the in ternal latches with the acknowledge of each byte. a stop condition after any byte can shorten transmission times. when writing to the transceiver by using the stop condition before completion of the whole transfer: ? the remaining bytes will contain the old information ? if the transfer of a byte is no t completed, this byte is lost and the previous information is available 8.11.2 i 2 c-bus pull-up resistors when the ic is used together with the tea688x or tef689x and both scl and sda lines are connected via the i 2 c-bus to the tea688x or tef689x, the pull-up resistors of the tuner ic should be connected to the digital supply voltage of the tea688x or tef689x. otherwise an i 2 c-bus pull-down can occur switching off the tuner ic supply when the i 2 c-bus buffer interface of the tea688x or tef689x is enabled for data transfer to the tuner ic. 8.11.3 restriction of the i 2 c-bus characteristic at ? 40 c the start of the acknowledge bit after transmitting the slave address exceeds the general requirement of t hd;dat < 3.45 s. the start of acknowledge is t st;ack < 4.1 s over the full temperature range from ? 40 c to +85 c. this will not infl uence the overall system performance, because the required set-up time t su;dat > 250 ns is fulfilled at any condition.
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 17 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 8.11.4 frequency setting for new frequency setting, in both am and fm mode, the programmable divider is enabled by setting bit mute = 1. to select an fm frequency, two i 2 c-bus transmissions are necessary: ? first: bit mute = 1 ? second: bit mute = 0 8.11.5 default settings no default settings at power-on reset. one i 2 c-bus transmission is required to program the ic. 8.11.6 timing requirements 9. internal circuitry table 30. timing requirements of i 2 c-bus software function timing switching from fm to am 400 ms (10 f at pin cagc) switching from am to fm 100 ms (10 f at pin cagc; wideband position has to be set for at least 100 ms to activate speed-up circuitry) start-up in fm mode wideband position has to be set for at least 100 ms to activate speed-up circuitry switching to dynamic mode 500 s (18 nf at pin tacd; wideband position has to be set for at least 500 s to activate clampi ng circuitry at pin tacd) table 31. equivalent pin circuits pin symbol equivalent circuit 1 fmlimdcfdb1 2 fmlimdcfdb2 001aah26 1 1, 2
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 18 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 3 amif2dec 6 amif2in 4 ireffmif2 5 amnbhold 7 if1gnd 8 fmmix2in 10 fmmix2dec table 31. equivalent pin circuits ?continued pin symbol equivalent circuit 001aah26 2 2 k 500 3 6 001aah26 3 4 001aah2 64 80 k 5 001aah26 5 350 4 k 4 k 10 8
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 19 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 9 coffset 11 ifcdaatest 12 ifampout 13 v dda1 14 ifampin 15 ifampdec table 31. equivalent pin circuits ?continued pin symbol equivalent circuit 001aah26 6 1 m 9 001aah26 7 11 001aah26 8 330 12 001aah26 9 5 k 5 k 330 14 15
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 20 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 16 if2filq 17 if2fili 18 mix1out1 19 mix1out2 20 v dda2 21 swflag 22 ammix1dec 23 ammix1in table 31. equivalent pin circuits ?continued pin symbol equivalent circuit 001aah27 0 16 001aah27 1 17 001aah27 2 18 19 001aah27 3 21 001aah27 4 400 22 23
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 21 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 24 vamcasfb 25 vamcas 26 tafamagc 27 thfamagc 28 iamagc 29 v ref(mix) table 31. equivalent pin circuits ?continued pin symbol equivalent circuit 001aah27 5 10 k 24 001aah27 6 1 k 25 001aah27 7 26 001aah27 8 27 001aah27 9 28 001aah28 0 29
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 22 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 30 fmmixin1 33 fmmixin2 31 rfgnd 32 i.c. 34 wbflag 35 ifmagc 36 tfmagc table 31. equivalent pin circuits ?continued pin symbol equivalent circuit 001aah28 1 10 k 10 k 30 33 001aah28 2 200 50 k 34 001aah28 3 35 001aah28 4 10 k 10 k 36
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 23 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 37 tkeyedagc 38 daaout 39 daatd 40 daain 41 i.c. table 31. equivalent pin circuits ?continued pin symbol equivalent circuit 001aah28 5 5 k 37 001aah28 6 36 k 38 0 01aah28 7 39 001aah28 8 2.5 k 40 43
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 24 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 42 v tune 43 cpout 44 v dda3 45 fref 46 v ddd 47 dgnd 48 vcognd 49 oscfdb 50 osctnk 51 v dda4 table 31. equivalent pin circuits ?continued pin symbol equivalent circuit 001aah28 9 42 001aah29 0 40 43 001aah29 1 45 1 k 001aah29 2 50 49 3 k
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 25 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 52 mpxdcfdb 53 afsample 54 afhold 55 trdsmute 56 amafif2 table 31. equivalent pin circuits ?continued pin symbol equivalent circuit 001aah29 3 52 001aah29 4 53 001aah29 5 54 001aah29 6 55 001aah29 7 56 201 k 0.35 pf
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 26 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 57 rdsmpx 58 fmmpx 59 v dda5 60 moddet 61 v dda6 62 ifbwflag 63 sda table 31. equivalent pin circuits ?continued pin symbol equivalent circuit 001aah29 8 57 300 001aah29 9 58 280 001aah30 0 60 001aah30 1 am fm (fmbw = 1) 62 62 1 k 50 a 001aah30 2 63 1 k
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 27 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 64 scl 65 v ifbw 66 if2gnd 67 cint 68 modetout 69 tacd table 31. equivalent pin circuits ?continued pin symbol equivalent circuit 001aah30 3 64 1 k 001aah30 4 65 001aah30 5 67 001aah30 6 68 001aah30 7 69 2 k
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 28 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 70 v level(amfm) 71 xtal1 72 xtalgnd 73 xtal2 74 v level(acd) 75 acdthres 76 iref table 31. equivalent pin circuits ?continued pin symbol equivalent circuit 001aah30 8 70 150 001aah30 9 72 20 k 20 k 10 k 27.6 pf 27.6 pf 10 k 71 73 001aah31 0 8 k 74 001aah31 1 75 001aah31 2 76 10 k
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 29 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 77 ammix2out1 78 ammix2out2 79 cagc 80 v ref(lim) table 31. equivalent pin circuits ?continued pin symbol equivalent circuit 001aah31 3 77 78 001aah31 4 am fm 79 79 10 k 420 001aah31 5 80
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 30 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 10. limiting values [1] to avoid damage and wrong operation it is necessary to keep all 8.5 v supply voltages at a higher level than any 5 v supply voltage. this is also necessary during power-on and power-down sequences. pr ecautions have to be provided in such a way that interferenc e cannot pull down the 8.5 v supply below the 5 v supply. in case that such precautions cannot be assured under all conditions, the maximum allowable time at which the 5 v supply may exceed the 8.5 v supply is 1 ms. the maximum allowable voltage difference in that case is 3 v. [2] machine model (r = 0 , c = 200 pf). [3] human body model (r = 1.5 k , c = 100 pf). 11. thermal characteristics 12. static characteristics table 32. limiting values in accordance with the absolute ma ximum rating system (iec 60134). symbol parameter conditions min max unit v dda1 analog supply voltage 1 for fm if amplifier ? 0.3 +10 v v dda2 analog supply voltage 2 for fm and am rf ? 0.3 +10 v v dda3 analog supply voltage 3 for tuning pll ? 0.3 +10 v v dda4 analog supply voltage 4 for voltage controlled oscillator ? 0.3 +10 v v dda5 analog supply voltage 5 for on-chip power supply ? 0.3 +6.5 v v dda6 analog supply voltage 6 for on-chip power supply ? 0.3 +10 v v ddd digital supply voltage ? 0.3 +6.5 v v dd8.5-dd5 difference between any 8.5 v supply voltage and any 5 v supply voltage [1] ? 0.3 - v t stg storage temperature ? 55 +150 c t amb ambient temperature ? 40 +85 c v esd electrostatic discharge voltage [2] ? 200 +200 v [3] ? 2 000 +2 000 v table 33. thermal characteristics symbol parameter conditions typ unit r th(j-a) thermal resistance from junction to ambient in free air 54 k/w r th(j-c) thermal resistance fr om junction to case 9 k/w table 34. static characteristics v dda(n) = 8.5 v; v dda5 = 5 v; v ddd = 5 v; t amb = 25 c; tested in the circuit of figure 12 and figure 13 ; unless otherwise specified. symbol parameter conditions min typ max unit supply voltage v dda(n) analog supply voltages 1 to 4 and 6 8 8.5 9 v v dda5 analog supply voltage 5 4.75 5 5.25 v v ddd digital supply voltage 4.75 5 5.25 v supply current in fm mode i dda(tot) total analog supply current [1] 45 56 67 ma
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 31 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) [1] sum of analog supply currents 1 to 4 and 6. i ddd digital supply current europe/us band 21 26 31 ma japan/east europe band 26.5 33 39.5 ma i dda1 analog supply current 1 for fm if amplifier 5.5 7.3 8.8 ma i dda2 analog supply current 2 for fm rf 4.2 5.2 6.2 ma i dda3 analog supply current 3 for tuning pll 3.2 4 4.8 ma i dda4 analog supply current 4 for vco 5.2 6.5 7.8 ma i dda5 analog supply current 5 for on-chip power supply europe/us band - 3.8 - ma japan/east europe band - 7.4 - ma i dda6 analog supply current 6 for on-chip power supply 21.5 27 32.5 ma i mix1out1 bias current of fm mixer output 1 4.8 6 7.2 ma i mix1out2 bias current of fm mixer output 2 4.8 6 7.2 ma supply current in am mode i dda(tot) total analog supply current [1] 40 50 60 ma i ddd digital supply current 22 27 32 ma i dda1 analog supply current 1 for am mixer 2 100 120 140 a i dda2 analog supply current 2 for rf 1.4 1.8 2.2 ma i dda3 analog supply current 3 for tuning pll 1.8 2.2 2.6 ma i dda4 analog supply current 4 for vco 5 6.5 8 ma i dda5 analog supply current 5 for on-chip power supply - 11 - ma i dda6 analog supply current 6 for on-chip power supply 14 17.5 21 ma i mix1out1 bias current of am mixer 1 output 1 4.8 6 7.2 ma i mix1out2 bias current of am mixer 1 output 2 4.8 6 7.2 ma i ammix2out1 bias current of am mixer 2 output 1 3.6 4.5 5.4 ma i ammix2out2 bias current of am mixer 2 output 2 3.6 4.5 5.4 ma on-chip power supply reference current generator: pin iref v o(ref) output reference voltage r iref = 120 k 4 4.25 4.5 v r o output resistance r iref = 120 k - 10 - k i o(max) maximum output current r iref = 120 k ? 100 - +100 na table 34. static characteristics ?continued v dda(n) = 8.5 v; v dda5 = 5 v; v ddd = 5 v; t amb = 25 c; tested in the circuit of figure 12 and figure 13 ; unless otherwise specified. symbol parameter conditions min typ max unit
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 32 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 13. dynamic characteristics table 35. dynamic characteristics v dda(n) = v mix1out1 = v mix1out2 = v ammix2out1 = v ammix2out2 = 8.5 v; v ddd = v dda5 = 5 v; t amb = 25 c; tested in the circuit of figure 12 and figure 13 ; all ac values are given in rms; unless otherwise specified. symbol parameter conditions min typ max unit voltage controlled oscillator f osc oscillator frequency 162.9 - 248.2 mhz c/n carrier-to-noise ratio f osc = 200 mhz; f = 10 khz - 97 - rr ripple rejection f ripple = 100 hz; v dda4(ripple) = 100 mv (rms); f osc = 200 mhz 92 99 - db crystal oscillator f xtal crystal frequency - 20.5 - mhz c/n carrier-to-noise ratio f xtal = 20.5 mhz; f = 10 khz - 112 - circuit inputs: pins xtal1, xtalgnd and xtal2 v o(osc)(rms) oscillator output voltage (rms value) [1] 80 100 160 mv v xtal1 , v xtal2 dc bias voltage 1.7 2.1 2.5 v r i real part of input impedance v xtal1 ? v xtal2 = 1 mv [1] ? 250 - - c i input capacitance [1] 8 10 12 pf synthesizer programmable divider n prog programmable divider ratio 512 - 32 767 n step programmable divider step size - 1 - charge pump: pin cpout i sink(cp1)l low charge pump 1 sink current 0.4 v < v cpout < 7.6 v; data byte 3: bit 0 = 0, bit 1 = 1, bit 2 = 1 for fm weather band; f vco > f ref divider ratio - 300 - a i source(cp1)l low charge pump 1 source current 0.4 v < v cpout < 7.6 v; data byte 3: bit 0 = 0, bit 1 = 1, bit 2 = 1 for fm weather band; f vco < f ref divider ratio - ? 300 - a i sink(cp1)h high charge pump 1 sink current 0.4 v < v cpout < 7.6 v; data byte 3: bit 0 = 1, bit 1 = 1, bit 2 = 1; am stereo mode; vco divider = 10 (lw and mw); f vco > f ref divider ratio - 1 - ma i source(cp1)h high charge pump 1 source current 0.4 v < v cpout < 7.6 v; data byte 3: bit 0 = 1, bit 1 = 1, bit 2 = 1; am stereo mode; vco divider = 10 (lw and mw); f vco < f ref divider ratio - ? 1 - ma dbc hz ---------- - f osc f osc ------------ dbc hz ---------- -
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 33 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) i sink(cp2) charge pump 2 sink current 0.3 v < v cpout < 7.1 v; data byte 3: bit 0 = 0, bit 1 = 0, bit 2 = 0; fm standard mode; f vco > f ref divider ratio - 130 - a i source(cp2) charge pump 2 source current 0.3 v < v cpout < 7.1 v; data byte 3: bit 0 = 0, bit 1 = 0, bit 2 = 0; fm standard mode; f vco < f ref divider ratio - ? 130 - a charge pump: pin v tune i sink(cp3) charge pump 3 sink current 0.4 v < v tune < 7.6 v; data byte 3: bit 0 = 0, bit 1 = 0, bit 2 = 0; fm standard mode; f vco > f ref divider ratio - 3 - ma i source(cp3) charge pump 3 source current 0.4 v < v tune < 7.6 v; data byte 3: bit 0 = 0, bit 1 = 0, bit 2 = 0; fm standard mode; f vco < f ref divider ratio - ? 3 - ma antenna digital auto alignment (daa) daa input: pin daain i bias(cp) charge pump buffer input bias current v daain = 0.4 v to 8 v ? 10 - +10 na v i(cp) charge pump buffer input voltage 0 - 8.5 v daa output: pin daaout [2] v o(am) daa output voltage in am mode i daaout < 100 a - - 0.3 v v o(fm) daa output voltage in fm mode minimum value; data byte 2 = 1000 0000; v daain = 0.5 v; v daatd = 0.45 v - - 0.5 v maximum value; data byte 2 = 1111 1111; v daain = 4.7 v; v daatd = 0.45 v 8 - 8.5 v v daain = 4 v; v daatd = 0.45 v data byte 2 = 1000 0000 - 0.65 - v data byte 2 = 1100 0000 3.8 4 4.2 v v daain = 2 v; v daatd = 0.45 v data byte 2 = 1101 0101 2.3 2.6 2.9 v data byte 2 = 1010 1010 1.2 1.4 1.6 v v o(n) daa output noise voltage data byte 2 = 1100 0000; fm mode; v daain = 4 v; v daatd = 0.45 v; b = 300 hz to 22 khz - 30 100 v v o(t) daa output voltage variation with temperature t amb = ? 40 c to +85 c; data byte 2 = 1100 0000 ? 8 - +8 mv table 35. dynamic characteristics ?continued v dda(n) = v mix1out1 = v mix1out2 = v ammix2out1 = v ammix2out2 = 8.5 v; v ddd = v dda5 = 5 v; t amb = 25 c; tested in the circuit of figure 12 and figure 13 ; all ac values are given in rms; unless otherwise specified. symbol parameter conditions min typ max unit
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 34 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) v o(step) daa step accuracy n = 0 to 127; fm mode; v daaout = 0.5 v to 8 v; v daain = 2 v; v daatd = 0.45 v 0.5v lsb v lsb 1.5v lsb mv v o(sink) daa output variation caused by sink current v daain = 4 v; i l = 50 a ? v lsb - +v lsb v o(source) daa output variation caused by source current v daain = 4 v; i l = ? 50 a ? v lsb - +v lsb t st daa output settling time v daaout = 0.2 v to 8.25 v; c l = 270 pf - 20 30 s rr ripple rejection data byte 2 = 1010 1011; fm mode; v daain = 4 v; v daatd = 0.45 v; f ripple = 100 hz; v dda3(ripple) = 100 mv (rms) - 65 - db c l daa output load capacitance - - 270 pf daa temperature compensation: pin daatd i source compensation diode source current v daatd = 0.2 v to 1.2 v ? 50 ? 40 ? 30 a tc source temperature coefficient of compensation diode source current v daatd = 0.2 v to 1.2 v; t amb = ? 40 c to +85 c ? 300 - +300 if counter (fm if2 or am if2 counter) n if if counter length for am and fm - 8 - bit pins fmmix2in and fmmix2dec [3] v sens(rms) sensitivity voltage (rms value) fm mode - 30 100 v n counter result (decimal) period = 2 ms; v fmmix2in-fmmix2dec = 100 v prescaler ratio = 10 - 90 - prescaler ratio = 40 - 22 - period = 20 ms; v fmmix2in-fmmix2dec = 100 v prescaler ratio = 10 - 132 - prescaler ratio = 40 - 225 - pins amif2in and amif2dec [4] v sens(rms) sensitivity voltage (rms value) am mode; m = 0 - 30 70 v n counter result (decimal) period = 2 ms; v amif2in-amif2dec = 200 v - 132 - period = 20 ms; v amif2in-amif2dec = 200 v - 40 - table 35. dynamic characteristics ?continued v dda(n) = v mix1out1 = v mix1out2 = v ammix2out1 = v ammix2out2 = 8.5 v; v ddd = v dda5 = 5 v; t amb = 25 c; tested in the circuit of figure 12 and figure 13 ; all ac values are given in rms; unless otherwise specified. symbol parameter conditions min typ max unit v daaout v dda3 ----------------------- - 10 6 ? k ---------- -
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 35 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) reference frequency for car signal processor ic tea688x and tef689x [5] reference frequency divider n ref crystal oscillator divider ratio - 272 - f ref reference frequency f xtal = 20.5 mhz - 75.368 - khz voltage generator: pin fref v o(p-p) ac output voltage (peak-to-peak value) not loaded 60 90 - mv v o dc output voltage 3.2 3.4 3.7 v r o output resistance - - 50 k r l(min) minimum load resistance for first i 2 c-bus address 1 - - m weather band flag: pin wbflag i source(max) maximum source current - ? 5 - ma r i(shunt) internal shunt resistance to ground - 50 - k v o(max) maximum output voltage for fm mode measured with respect to pin rfgnd 0 - 0.2 v v o output voltage for weather band mode measured with respect to pin rfgnd 4 - 5 v am signal channel am rf agc stage (pin diode drive) v i(p) rf input voltage for wideband agc start level (peak value) m = 0.3; data byte 4: bit 5 = 0, bit 6 = 0 - 150 - mv m = 0.3; data byte 4: bit 5 = 1, bit 6 = 0 - 275 - mv m = 0.3; data byte 4: bit 5 = 0, bit 6 = 1 - 400 - mv m = 0.3; data byte 4: bit 5 = 1, bit 6 = 1 - 525 - mv am if agc stage input: pin amif2in v i(p) if2 input voltage (peak value) agc start level 0.20 0.27 0.35 v am rf agc current generator output: pin iamagc i sink(max) maximum agc sink current v o = 2.8 v 11 15 19 ma i sink agc sink current fm mode 1 - - ma r o output resistance i o = 1 a 0.5 - - m c o am agc current generator output capacitance - 5 7 pf rf cascode agc i cas(off) am cascode off current fm mode - - 100 na table 35. dynamic characteristics ?continued v dda(n) = v mix1out1 = v mix1out2 = v ammix2out1 = v ammix2out2 = 8.5 v; v ddd = v dda5 = 5 v; t amb = 25 c; tested in the circuit of figure 12 and figure 13 ; all ac values are given in rms; unless otherwise specified. symbol parameter conditions min typ max unit
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 36 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) pin vamcasfb v cas(fb) cascode feedback voltage v ammix1in-ammix1dec above threshold; minimum gain - 0.26 - v i cas(fb) cascode feedback sense current 0 - 1 a pin vamcas v cas cascode voltage v ammix1in-ammix1dec below threshold; maximum gain - 5 - v i cas cascode transistor base current capability 100 - - a am mixer 1 (if1 = 10.7 mhz) mixer inputs: pins ammix1dec and ammix1in r i input resistance [6] 15 25 40 k c i input capacitance [6] 2.5 5 7.5 pf v i dc input voltage 2.3 2.7 3.1 v v i(max) maximum input voltage 1 db compression point of v mix1out1-mix1out2 ; m = 0 500 - - mv mixer outputs: pins mix1out1 and mix1out2 r o output resistance [7] 100 - - k c o output capacitance [7] - 4 7 pf v o(max)(p-p) maximum output voltage (peak-to-peak value) 12 15 - v i bias mixer bias current am mode 4.8 6 7.2 ma mixer g m(conv) conversion transconductance 2.0 2.55 3.2 g m(conv)(t) conversion transconductance variation with temperature - ? 9 10 ? 4 - k ? 1 ip3 3rd-order intermodulation r l = 2.6 k (ac load between output pins); f = 300 khz 135 138 - db v ip2 2nd-order intermodulation r l = 2.6 k (ac load between output pins) - 170 - db v v i(n)(eq) equivalent input noise voltage band limited noise; r gen = 750 ; r l = 2.6 k (ac load between output pins) - 5.8 8 f noise figure of am mixer 1 - 4.5 7.1 db table 35. dynamic characteristics ?continued v dda(n) = v mix1out1 = v mix1out2 = v ammix2out1 = v ammix2out2 = 8.5 v; v ddd = v dda5 = 5 v; t amb = 25 c; tested in the circuit of figure 12 and figure 13 ; all ac values are given in rms; unless otherwise specified. symbol parameter conditions min typ max unit i mix1out v mix1in ----------------------- - ma v ------- - g m conv () g m conv () t --------------------------------- - nv hz ---------- -
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 37 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) am mixer 2 (if2 = 450 khz) mixer inputs: pins ifampin and ifampdec r i input resistance [8] - 330 - c i input capacitance [8] - 5 7 pf v i dc voltage 2.4 2.7 3 v v i(max)(p) maximum input voltage (peak value) 1 db compression point of v ammix2out1-ammix2out2 1.1 1.4 - v mixer outputs: pins ammix2out1 and ammix2out2 r o output resistance [9] 50 - - k c o output capacitance [9] - 4 7 pf v o(max)(p-p) maximum output voltage (peak-to-peak value) v dda6 = 8.5 v 12 15 - v i bias mixer bias current am mode 3.6 4.5 5.4 ma mixer g m(conv) conversion transconductance 1.3 1.6 1.9 g m(conv)(t) conversion transconductance variation with temperature - ? 9 10 ? 4 - k ? 1 ip3 3rd-order intermodulation r l = 1.5 k (ac load between output pins); f = 300 khz 134 137 - db v ip2 2nd-order intermodulation r l = 1.5 k (ac load between output pins) - 170 - db v v i(n)(eq) equivalent input noise voltage r gen = 330 ; r l = 1.5 k (ac load between output pins) - 15 22 f noise figure of am mixer 2 - 16 19.5 db i l mixer leakage current fm mode - - 10 a am if2 agc stage: pins amif2in and amif2dec [4] v i input voltage audio attenuation = ? 10 db data byte 4: bit 4 = 1; mute on - 25 40 v data byte 4: bit 4 = 0; mute off 6 10 v v agc(start) agc start voltage input carrier voltage - 14 30 v v agc(stop) agc stop voltage maximum input peak voltage 1 - - v v agc(ctrl) agc control voltage v i = 1 mv 4.1 4.3 4.7 v agc agc range between start and stop of agc - 89 - db r i input resistance 1.8 2 2.2 k c i input capacitance - 10 15 pf table 35. dynamic characteristics ?continued v dda(n) = v mix1out1 = v mix1out2 = v ammix2out1 = v ammix2out2 = 8.5 v; v ddd = v dda5 = 5 v; t amb = 25 c; tested in the circuit of figure 12 and figure 13 ; all ac values are given in rms; unless otherwise specified. symbol parameter conditions min typ max unit i ammix2out v ifampin ------------------------------- ma v ------- - g m conv () g m conv () t --------------------------------- - nv hz ---------- -
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 38 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) am detector v sens(rms) sensitivity voltage (rms value) m = 0.3; f mod = 400 hz; b af = 2.15 khz; r gen = 2 k [4] (s+n)/n = 26 db - 45 65 v (s+n)/n = 46 db - 600 900 v (s+n)/n maximum signal plus noise-to-noise ratio m = 0.3; f mod = 400 hz; b af = 2.15 khz; r gen = 2 k - 60 - db thd total harmonic distortion b af = 2.15 khz; c agc = 10 f; v amif2in = 100 v to 250 mv (rms) m = 0.8; f mod = 400 hz - 0.5 1 % m = 0.8; f mod = 100 hz - 1.25 2.5 % t sw fm to am switching time v amif2in = 100 v; c agc = 10 f - 1 000 1 500 ms t st am agc settling time v amif2in = 100 v to 100 mv - 400 600 ms v amif2in = 100 mv to 100 v - 600 900 ms output: pin amafif2 v o(rms) am if2 output voltage (rms value) am stereo; m = 0; data byte 3: bit 0 = 1, bit 1 = 1, bit 2 = 1 minimum at v amif2in = 14 v 1.5 3 4.5 mv maximum at v amif2in = 5 mv 130 180 230 mv am mono; m = 0.3; data byte 3: bit 0 = 1, bit 1 = 0, bit 2 = 1; f mod = 400 hz; v amif2in = 100 v to 500 mv (rms) 200 250 300 mv r o output resistance data byte 3: bit 0 = 1, bit 1 = 1, bit 2 = 1; am stereo - - 500 data byte 3: bit 0 = 1, bit 1 = 0, bit 2 = 1; am mono - - 500 c o output capacitance data byte 3: bit 0 = 1, bit 1 = 0, bit 2 = 1 - 5 7 pf z l load impedance data byte 3: bit 0 = 1, bit 1 = 0, bit 2 = 1; am mono 100 - - k data byte 3: bit 0 = 1, bit 1 = 1, bit 2 = 1; am stereo 10 - - k rr ripple rejection v dda5(ripple) = 100 mv (rms); f ripple = 100 hz - 24 - db v dda6(ripple) = 100 mv (rms); f ripple = 100 hz - 26 - db table 35. dynamic characteristics ?continued v dda(n) = v mix1out1 = v mix1out2 = v ammix2out1 = v ammix2out2 = 8.5 v; v ddd = v dda5 = 5 v; t amb = 25 c; tested in the circuit of figure 12 and figure 13 ; all ac values are given in rms; unless otherwise specified. symbol parameter conditions min typ max unit
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 39 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) am if2 level detector output: pin v level(amfm) ; see figure 6 v level(amfm) dc output voltage v amif2in = 10 v to 1 v 0 - 7 v v amif2in < 1 v; standard setting of level daa 0.1 0.5 0.9 v v amif2in = 1.4 mv; standard setting of level daa 1.6 2.2 2.8 v v level(amfm) step size for adjustment of level starting point v amif2in = 0 v; standard setting of level slope 30 40 50 mv v level(slope) slope of level voltage v amif2in = 140 v to 140 mv; standard setting of level slope 650 800 950 v step step size for adjustment of level slope v amif2in = 1.4 mv 45 60 75 b level(amfm) bandwidth of level output voltage v amif2in = 15 mv; standard setting of level daa 200 300 - khz r o output resistance - - 500 rr ripple rejection v dda6(ripple) = 100 mv (rms); f ripple = 100 hz - 36 - db am noise blanker; test signal and test circuit; see figure 7 threshold: pin amnbhold v o dc output voltage 4.3 4.6 5.1 v t sup suppression time v pulse = 200 mv (peak); v level(amfm) < 1.8 v 6 7.5 10 s f trigger trigger sensitivity frequency v pulse = 200 mv (peak); v level(amfm) < 1.8 v - 1 000 - hz v pulse = 200 mv (peak); v level(amfm) > 2.2 v - - 100 hz v pulse = 20 mv (peak); v level(amfm) < 1.8 v - - 100 hz noise detector output: pin trdsmute i sink(agc) am noise blanker agc sink current v trdsmute = 3 v 35 50 65 a v agc am noise blanker agc voltage am mixer 1 input v i = 0 v 1.9 2.2 2.5 v fm signal channel fm rf agc (fm distance mode; data byte 4: bit 3 = 0) inputs: pins fmmixin1 and fmmixin2 [10] v i(rf)(rms) rf input voltage for start of wideband agc (rms value) data byte 4: bit 5 = 1, bit 6 = 1 - 3 - mv data byte 4: bit 5 = 0, bit 6 = 1 - 6 - mv data byte 4: bit 5 = 1, bit 6 = 0 - 9 - mv data byte 4: bit 5 = 0, bit 6 = 0 - 12 - mv pin tfmagc r source source resistance 4 5 6 k table 35. dynamic characteristics ?continued v dda(n) = v mix1out1 = v mix1out2 = v ammix2out1 = v ammix2out2 = 8.5 v; v ddd = v dda5 = 5 v; t amb = 25 c; tested in the circuit of figure 12 and figure 13 ; all ac values are given in rms; unless otherwise specified. symbol parameter conditions min typ max unit mv 20 db -------------- - mv 20 db -------------- - v level v dda6 ----------------
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 40 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) v o(ref) dc output reference voltage data byte 4: bit 5 = 0, bit 6 = 0; v fmmixin1-fmmixin2 = 0 v 4.1 4.6 5.1 v pin diode drive output: pin ifmagc i sink(agc)(max) maximum agc sink current v ifmagc = 2.5 v; v tfmagc = v o(ref) ? 0.5 v; data byte 4: bit 5 = 0, bit 6 = 0, bit 7 = 0 8 11.5 15 ma i source(agc)(max) maximum agc source current v ifmagc = 2.5 v; v tfmagc = v o(ref) + 0.5 v; data byte 4: bit 5 = 0, bit 6 = 0, bit 7 = 0 ? 15 ? 11.5 ? 8 ma i source(agc) agc source current am mode ? 15 ? 11.5 ? 8 ma v ifmagc = 2.5 v; data byte 4: bit 3 = 1 (fm local) ? 0.65 ? 0.5 ? 0.35 ma level voltage output: pin v level(amfm) v th threshold voltage for narrow-band agc data byte 4: bit 5 = 0, bit 6 = 0, bit 7 = 1; keyed agc 500 950 1 400 mv fm rf mixer reference voltage: pin v ref(mix) v ref reference voltage fm mode 6.5 7.1 7.9 v am mode 2.7 3.1 3.4 v inputs: pins fmmixin1 and fmmixin2 [10] v i(rf)(max) maximum rf input voltage 1 db compression point of fm mixer output voltage (peak-to-peak value) 70 100 - mv v i(n)(eq) equivalent input noise voltage r gen = 200 ; r l = 2.6 k - 2.6 3.1 r i input resistance 1.4 2.8 4.2 k c i input capacitance - 5 7 pf outputs: pins mix1out1 and mix1out2 [7] r o output resistance 100 - - k c o output capacitance 2 3.5 5 pf i bias mixer bias current fm mode 4.8 6 7.2 ma v o(max)(p-p) maximum output voltage (peak-to-peak value) 3 - - v fm mixer g m(conv) conversion transconductance 8.5 12.5 18 g m(conv)(t) conversion transconductance variation with temperature - ? 1 10 ? 3 - k ? 1 f noise figure - 3 4.6 db table 35. dynamic characteristics ?continued v dda(n) = v mix1out1 = v mix1out2 = v ammix2out1 = v ammix2out2 = 8.5 v; v ddd = v dda5 = 5 v; t amb = 25 c; tested in the circuit of figure 12 and figure 13 ; all ac values are given in rms; unless otherwise specified. symbol parameter conditions min typ max unit nv hz ---------- - ma v ------- -
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 41 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) r gen(opt) optimum generator resistance - 200 - ip3 3rd-order intermodulation 113 116 - db v irr image rejection ratio f rfwanted = 87.5 mhz; f rfimage = 108.9 mhz 25 30 - db data byte 3 = x010 x110; f rfwanted = 162.475 mhz; f rfimage = 183.875 mhz; weather band mode; f ref = 25 khz 22 30 - db if amplifier g gain r l = 330 ; v ifampin = 1 mv [8] 15 17 19 db f noise figure - 10 13 db ip3 3rd-order intermodulation 113 116 - db v inputs: pins ifampin and ifampdec [8] v i(max)(p) maximum input voltage (peak value) 1 db compression point of if amplifier output voltage (peak value) 200 - - mv v i(n)(eq) equivalent input noise voltage r gen = 330 ; r l = 330 - 8 10 r i input resistance 270 330 390 c i input capacitance - 5 7 pf output: pin ifampout v o(max)(p) maximum output voltage (peak value) 1.2 1.5 - v r o output resistance 270 330 390 c o output capacitance - 5 7 pf tunable filter b max maximum bandwidth data byte 4: bit 1 = 0, bit 0 = 0; dynamic mode - 160 - khz b min minimum bandwidth data byte 4: bit 1 = 0, bit 0 = 0; dynamic mode; v tacd = 4.2 v - 25 - khz b 13 bandwidth in weather band mode - 13 - khz b 60 bandwidth in narrow band mode data byte 4: bit 1 = 1, bit 0 = 1 - 60 - khz b 90 bandwidth in mid band mode data byte 4: bit 1 = 1, bit 0 = 0 - 90 - khz b 130 bandwidth in wideband mode data byte 4: bit 1 = 0, bit 0 = 1 - 130 - khz pin v ifbw v o monitor output voltage for if2 bandwidth fixed bandwidth = narrow - 1.35 - v fixed bandwidth = mid - 0.94 - v fixed bandwidth = wide - 0.55 - v table 35. dynamic characteristics ?continued v dda(n) = v mix1out1 = v mix1out2 = v ammix2out1 = v ammix2out2 = 8.5 v; v ddd = v dda5 = 5 v; t amb = 25 c; tested in the circuit of figure 12 and figure 13 ; all ac values are given in rms; unless otherwise specified. symbol parameter conditions min typ max unit v mix1outwanted v mix1out e imag ----------------------------------------- nv hz ---------- -
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 42 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) r o output resistance - 5 - k adjacent channel detector modulation detector input: pin moddet r i input resistance - 42.4 - k c i input capacitance - 5 7 pf modulation detector output: pin modetout r o output resistance - 33.9 - k detector adjust: pin acdthres r i input resistance 6.2 7.8 9.4 k c i input capacitance - 5 7 pf fm demodulator and level detector; see figure 8 and figure 9 fm demodulator fm mixer 2 input: pins fmmix2in and fmmix2dec [3] v start(lim)(rms) start of limiting of rds mpx output voltage (rms value) af = ? 3 db - 4.5 - v v o(sens)(rms) sensitivity for rds mpx output voltage (rms value) f = 22.5 khz; f mod = 1 khz; de-emphasis = 50 s r gen = 165 ; (s+n)/n = 26 db - 11 - v (s+n)/n = 46 db - 90 - v rds mpx output: pin rdsmpx (s+n)/n maximum signal plus noise-to-noise ratio of rds mpx output voltage f = 22.5 khz; f mod = 1 khz; de-emphasis = 50 s; v fmmix2in = 10 mv 65 68 - db thd total harmonic distortion of rds mpx output voltage f = 75 khz; f mod = 1 khz; de-emphasis = 50 s; v fmmix2in = 200 v to 800 mv - 0.35 0.7 % am am suppression fm: f = 22.5 khz; f mod = 1 khz; am: m = 0.3; f mod = 1 khz; de-emphasis = 50 s v fmmix2in = 30 v to 70 v 20 30 - db v fmmix2in = 70 v to 500 v 30 40 - db v fmmix2in = 500 v to 300 mv 35 45 - db v fmmix2in = 300 mv to 1 v 30 40 - db v o(rms) rds mpx output voltage (rms value) v fmmix2in = 20 v to 1 v [3] f = 5 khz; f mod = 57 khz 45 50 55 mv f = 22.5 khz; f mod = 1 khz 205 230 255 mv i o(max)(rms) maximum rds mpx output current (rms value) 100 - - a r o output resistance - - 500 r l load resistance 20 - - k table 35. dynamic characteristics ?continued v dda(n) = v mix1out1 = v mix1out2 = v ammix2out1 = v ammix2out2 = 8.5 v; v ddd = v dda5 = 5 v; t amb = 25 c; tested in the circuit of figure 12 and figure 13 ; all ac values are given in rms; unless otherwise specified. symbol parameter conditions min typ max unit v orms () v oam () rms () ---------------------------- -
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 43 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) c l load capacitance - - 50 pf b bandwidth rds mpx output c l = 0 pf; r l > 20 k 200 300 - khz psrr power supply ripple rejection f ripple = 100 hz to 20 khz - 40 - db fm mpx output: pin fmmpx [3] (s+n)/n maximum signal plus noise-to-noise ratio of fm mpx output voltage f = 22.5 khz; f mod = 1 khz; de-emphasis = 50 s; v fmmix2in = 10 mv 65 68 - db thd total harmonic distortion of fm mpx output voltage f = 75 khz; f mod = 1 khz; de-emphasis = 50 s; v fmmix2in = 200 v to 800 mv - 0.1 0.3 % am am suppression fm: f = 22.5 khz; f mod = 1 khz; am: m = 0.3; f mod = 1 khz; de-emphasis = 50 s v fmmix2in = 30 v to 70 v 20 30 - db v fmmix2in = 70 v to 500 v 30 40 - db v fmmix2in = 500 v to 300 mv 35 45 - db v fmmix2in = 300 mv to 1 v 30 40 - db v o(rms) fm mpx output voltage (rms value) f = 22.5 khz; f mod = 1 khz; v fmmix2in = 20 v to 1 v 205 230 255 mv f = 1.5 khz; f mod = 1 khz; v fmmix2in = 20 v to 1 v; weather band mode 150 230 310 mv i o(max) maximum fm mpx output current 100 - - a b bandwidth fm mpx output c l = 0 pf; r l > 20 k 200 - - khz psrr power supply ripple rejection f ripple = 100 hz to 20 khz - 40 - db r l load resistance 20 - - k r o output resistance - - 500 c l load capacitance - - 50 pf t sw am to fm switching time v fmmix2in = 100 v - 100 150 ms mpx mute mute muting depth data byte 2: bit 7 = 1 (mute) 60 80 - db v offset(dc) dc offset during rds update mute pin fmmpx v = v muted ? v notmuted ? 30 - +30 mv rds update: pin trdsmute v trdsmute voltage at pin trdsmute no mute 5.2 5.7 6.2 v mute 0.7 1.2 1.7 v i dch discharge current v o = 3 v; data byte 2: bit 7 = 1 24 32 38 a i ch charge current v o = 3 v; data byte 2: bit 7 = 0 ? 38 ? 32 ? 24 a table 35. dynamic characteristics ?continued v dda(n) = v mix1out1 = v mix1out2 = v ammix2out1 = v ammix2out2 = 8.5 v; v ddd = v dda5 = 5 v; t amb = 25 c; tested in the circuit of figure 12 and figure 13 ; all ac values are given in rms; unless otherwise specified. symbol parameter conditions min typ max unit v orms () v oam () rms () ---------------------------- -
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 44 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) [1] measured between pins xtal1 and xtal2. [2] daa conversion gain formula: ; where n = 0 to 127. [3] input parameters of fm mixer 2 measured between pins fmmix2in and fmmix2dec. [4] input parameters of am if2 measured between pins amif2in and amif2dec. [5] reference frequency pin fref: r ext = 68 k connected to ground activates the 2nd i 2 c-bus address. [6] input parameters of am mixer 1 measured between pins ammix1dec and ammix1in. [7] output parameters of fm mixer and am mixer 1 measured between pins mix1out1 and mix1out2. [8] input parameters of am mixer 2 measured between pins ifampin and ifampdec. [9] output parameters of am mixer 2 measured between pins ammix2out1 and ammix2out2. [10] input parameters of fm mixer measured between pins fmmixin1 and fmmixin2. fm if level detector output: pin v level(amfm) [3] v level(amfm) dc output voltage v fmmix2in = 10 v to 1 v 0 - 7 v v fmmix2in < 1 v; standard setting of level daa 0.1 0.35 0.9 v v fmmix2in = 1 mv; standard setting of level daa 1 1.5 2.1 v v level(amfm) step size of starting point adjustment data byte 5: bit 2 = 1, bit 1 = 0, bit 0 = 0 30 40 50 mv v level(slope) slope of level voltage v fmmix2in = 1 mv to 300 mv; standard setting of level slope 650 800 950 v step step size of slope adjustment v fmmix2in = 1 mv 45 60 75 b level(amfm) bandwidth of level output voltage v fmmix2in = 10 mv; standard setting of level daa 200 300 - khz i source output source current - - ? 300 a i sink output sink current 50 - - a r o output resistance - - 500 rr ripple rejection f ripple = 100 hz; v dda6(ripple) = 100 mv (rms) - 40 - db pin v level(acd) r o output resistance 6.4 8 9.6 k rds update output: pin afhold i sink(max) maximum sink current after first bus transmission with data byte 0: bit 7 = 1 (start of rds update); v o = 0.5 v 1.0 1.2 1.4 ma output: pin afsample i sink(max) maximum sink current no rds update in progress; v o = 0.5 v 1.0 1.2 1.4 ma table 35. dynamic characteristics ?continued v dda(n) = v mix1out1 = v mix1out2 = v ammix2out1 = v ammix2out2 = 8.5 v; v ddd = v dda5 = 5 v; t amb = 25 c; tested in the circuit of figure 12 and figure 13 ; all ac values are given in rms; unless otherwise specified. symbol parameter conditions min typ max unit v level amfm () v fmmix2in ------------------------------------ mv 20 db -------------- - mv 20 db -------------- - v daaout 20.75 n 128 -------- - 0.125 + ?? ?? v daain v daatd + () = v daatd ?
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 45 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) (1) af: f if = 450 khz; m = 0.3; f mod = 1 khz; soft mute off. (2) af: f if = 450 khz; m = 0.3; f mod = 1 khz; soft mute on. (3) noise: unweighted b = 2.15 khz; soft mute off. (4) noise: unweighted b = 2.15 khz; soft mute on. (5) level detector output voltage, default setting. (6) thd: m = 0.8. fig 5. signal, (s+n)/n, thd and level voltage for am mode as a function of amif2in voltage 001aah252 v amif2in (mv) 10 ? 3 10 2 10 3 10 1 10 ? 2 10 ? 1 2 4 6 8 0 (3) (4) (5) (6) (1) (2) v level(amfm) (v) ? 50 ? 30 ? 10 10 ? 70 v amafif2 (db) thd (%) (1) level daa setting byte 5 = ffh. (2) level daa setting byte 5 = 84h (standard setting). (3) level daa setting byte 5 = 00h. fig 6. am level voltage 001aah253 2 4 6 0 v amif2in (mv) 10 ? 3 10 2 10 3 10 1 10 ? 2 10 ? 1 v level(amfm) (v) (1) (2) (3)
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 46 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) test signal: t rep = 2 ms, t r < 50 ns, t f < 50 ns and duty factor 50 %. v ifampin = 4 v and v xtal2 = 3 v. fig 7. test circuit for am noise blanker 001aah25 4 1 k 1 k 100 50 100 70 71 73 77 78 14 v ifampin 18 oscilloscope, counter 8.5 v 8.5 v test signal 4.7 nf 19 TEA6848HL v level(amfm) t rep v xtal2 v pulse v pulse (1) level daa setting byte 5 = ffh. (2) level daa setting byte 5 = 84h (standard setting). (3) level daa setting byte 5 = 00h. fig 8. fm level voltage 001aah255 2 4 6 0 v fmmix2in (mv) 10 ? 3 10 2 10 3 10 1 10 ? 2 10 ? 1 v level(amfm) (v) (1) (2) (3)
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 47 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 14. overall system parameters (1) output voltage for fmmpx and rdsmpx: f if = 10.7 mhz; f = 22.5 khz; f mod = 1 khz. (2) noise: unweighted b = 250 hz to 15 khz with de-emphasis 50 s for fmmpx. (3) noise: unweighted b = 250 hz to 15 khz with de-emphasis 50 s for rdsmpx. (4) thd for fmmpx and rdsmpx. (5) level for standard setting of level daa, byte 5 = 84h. fig 9. signal, (s+n)/n, thd and level voltage for fm mode as a function of fmmix2in voltage 001aah256 ? 40 ? 20 ? 60 0 20 v fmmpx ; v rdsmpx (db) ? 80 v fmmix2in (mv) 10 ? 3 10 2 10 3 10 1 10 ? 2 10 ? 1 v level(amfm) (v) thd (%) 0 2 4 6 8 10 (1) (2) (3) (4) (5) table 36. overall system parameters t amb = 25 c; see figure 12 and figure 13 ; all ac values are given in rm s; unless otherwise specified. symbol parameter conditions min typ max unit am overall system parameters f am(ant) am input frequency lw 0.144 - 0.288 mhz mw 0.522 - 1.710 mhz sw 5.730 - 9.99 mhz (s+n)/n signal plus noise-to-noise ratio m = 0.3; b af = 2.15 khz - 59 - db thd total harmonic distortion m = 0.8; f mod = 1 khz - 0.3 - % v sens(rms) sensitivity (rms value) m = 0.3; f mod = 1 khz; (s+n)/n = 26 db; with european dummy aerial 15 pf/60 pf; b af = 2.15 khz - 45 - v fm overall system parameters f fm(ant) fm input frequency 65 - 108 mhz f fm(wb)(ant) fm weather band input frequency 162.4 - 162.55 mhz
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 48 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 15. application information (s+n)/n signal plus noise-to-noise ratio f = 22.5 khz; de-emphasis = 50 s; b af = 300 hz to 15 khz - 63 - db thd total harmonic distortion f = 75 khz; with 2 sfe10.7ms3 - 0.35 - % v sens(rms) sensitivity (rms value) f = 22.5 khz; f mod = 1 khz; (s+n)/n = 26 db; de-emphasis = 50 s; b af = 300 hz to 15 khz; with 75 dummy antenna - 1.4 2 v table 36. overall system parameters ?continued t amb = 25 c; see figure 12 and figure 13 ; all ac values are given in rm s; unless otherwise specified. symbol parameter conditions min typ max unit table 37. list of components for application and test circuits ( figure 10 , figure 11 , figure 12 and figure 13 ) symbol parameter type manufacturer c1 capacitor for vco tuning 270 pf; type np0 - l1 10.7 mhz if coil p7 psg p826rc 5134n=s toko l2 450 khz if coil p7psgae-5078d=s toko l3 oscillator coil e543snas-02010 toko l4 fm image rejection 611sns-1066y toko l5 fm input transformer 369ins-3076x toko l6 fm antenna coil lqn1hr50; 215 nh murata l7 pin diode bias lqn1hr21; 500 nh murata l8 connection image reject wire 10 mm/printed coil - l9 am input 388bn-1211z toko r4 resistor for stabilizer 3.3 k ; rc12g bc components - crystal 20.5 mhz ln-g102-587 ndk
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 49 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) for list of components see table 37 . fig 10. application diagram (continued in figure 11 ) daa vco am mixer 1 am mixer 2 am agc 90 fm i/q mixer 1 fm agc tuning system am-noise detector peak/ average blank pulse 10/ 20 1/ 2/ 3 90 TEA6848HL fm mixer 2 2 19 18 15 14 13 12 11 10 9 87 6 5 20 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 am level level bb156 v tune f ref pll dgnd 22 1 nf c1 4.7 k 100 nf 10 k 2.2 k 1.2 k 3.9 nf 100 nf 1.8 pf 2.7 pf 22 22 nf l3 3.3 nf sfe 10.7 ms3 22 22 nf l1 sfe 10.7 ms3 wb/japan/oirt 21 sw control flag 17 16 47 f 100 nf 220 nf 22 nf 22 22 nf 22 nf 22 22 nf v ddd antenna rfgnd 4:6 22 l5 bb814 22 k l4 bas16 wb flag bav99 10 nf 1 nf 270 baq806 220 nf antenna 2.2 m 5 v l8 18 pf 215 nh 6.8 pf 1 pf 12 pf 500 nh 1 nf 10 f 1 nf 1 nf 2.2 k 330 ba595 100 nf 22 220 nf bc847c 1.8 m 150 pf 820 h 560 2.2 nf 56 h 470 h 100 nf bf862 2.2 m 10 nf 6.8 h 1 f 1 f l9 10 k 22 nf 22 f 220 nf 270 pf 100 k l7 l6 + + + i 2 c-bus i 2 c-bus i 2 c-bus i 2 c-bus i 2 c-bus + + coa060 a b c d e f g h i l m n k j
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 50 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) fig 11. application diagram (continued from figure 10 ) rds update crystal oscillator power supply level daa if count am demod mux if filter fm demod stabi buffer bandwidth control x1/ x15 amplifier mpxout 20.5 mhz 4 321 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 wb level fm am sample af hold af 5 v audio/if am rds/ mpx mpx fm 3.3 h 3.3 h 100 nf 100 nf 8.5 v ifbwflag scl sda vifbw v level(amfm) 20.5 mhz 22 22 nf l2 sfr450h 8.5 v if2gnd v dda5 5 v 220 nf 6.8 nf 12 k 47 f 1 nf 200 nf 47 f 390 8.2 nf 33 nf 8.2 nf 33 nf 10 k 820 120 k 22 nf 10 f 220 nf 47 nf 47 47 nf nf 22 nf r4 3.3 k v dda6 v dda5 am stereo mute rds 270 pf i 2 c-bus i 2 c-bus i 2 c-bus + + + coa061 a b c d e f g h i l m n k j TEA6848HL
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 51 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 16. test information for list of components see table 37 . fig 12. test circuit (continued in figure 13 ) daa vco am mixer 1 am mixer 2 am agc 90 fm i/q mixer 1 fm agc tuning system am-noise detector peak/ average blank pulse 10/ 20 1/ 2/ 3 90 TEA6848HL fm mixer 2 2 19 18 15 14 13 12 11 10 9 87 6 5 20 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 am level level wb/japan/oirt 21 17 16 antenna i 2 c-bus i 2 c-bus i 2 c-bus i 2 c-bus i 2 c-bus coa06 2 a b c d e f g h i l m n o k j bb156 v tune dgnd 22 4.7 k 22 1.2 k 2.2 k 10 k 4.7 k 0 1 nf 270 pf 100 nf 3.9 nf 100 nf 1.8 pf 2.7 pf 22 nf l3 c1 3.3 nf sfe10.7 ms3 i-centre test mode frequency 22 nf l1 sfe 10.7 ms3 filter q i if1gnd 47 f 100 nf 220 nf 22 22 nf 22 nf 22 nf 22 nf f ref pll 100 nf 100 nf 100 nf 100 nf 2 2 304 304 52 52 330 330 am rf fmif1 output if output fmif2 input if input 100 nf 100 k 68 k relay 3 relay 2 relay 1 relay 1 rfgnd 4:6 l5 bb814 l4 l8 bas16 wb flag antenna input fm rf input 100 nf wb flag 1 f 1 f 10 k vcc1 8.5 v 5 v analog bav99 10 nf 1 nf 270 22 baq806 220 nf sw flag 100 nf 220 nf bc847c 1.8 m 2.2 m 10 k 22 68 k 22 22 68 k 150 pf 820 h 56 h 470 h 560 47 2.2 nf bf862 10 nf l9 22 nf 22 f 220 nf 270 pf control 18 pf 215 nh 6.8 pf 1 pf 12 pf 500 nh 1 nf 10 f 1 nf 1 nf 2.2 k 330 22 ba595 l7 l6 6.8 h 100 nf 100 nf qi + + + + input output test mode input + 2.2 m 22 k 47
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 52 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) fig 13. test circuit (continued from figure 12 ) rds update crystal oscillator power supply level daa if count am demod mux if filter fm demod stabi buffer bandwidth control x1/ x15 amplifier mpxout 20.5 mhz 4 321 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 wb level fm am ifbwflag scl sda 20.5 mhz 22 22 nf l2 100 nf jumper test pin and stocko connector coaxial connector (smc) 100 nf 2 k 47 sfr450h if2gnd 390 8.2 nf 22 nf 22 nf 8.2 nf 8.2 nf r76 120 k 10 f 220 nf 47 nf 47 47 nf nf 22 nf r4 3.3 k am stereo mute rds 270 pf i 2 c-bus i 2 c-bus i 2 c-bus + + coa063 68 k (1.5 k ) 100 nf 100 nf 100 nf 68 k (1.5 k ) 10 k 10 k 56 k 10 k 820 10 k 47 f 47 f 220 nf 6.8 nf 100 nf 100 nf 47 f 47 f 47 f 3.3 h 3.3 h 3.3 h 100 nf 100 nf 100 nf sda scl dgnd i 2 c-bus interface 330 pf 200 nf 2 k b a c d e f g h i j m n o l k am if2 am if output input sample af hold af audio/if am rds/ mpx mpx fm + + + + TEA6848HL
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 53 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) table 38. dc operating points symbol pin unloaded dc voltage (v) am mode fm mode min typ max min typ max fmlimdcfdb1 1 floating 3.7 4.2 4.8 fmlimdcfdb2 2 floating 3.7 4.2 4.8 amif2dec 3 2.4 2.7 3.2 floating ireffmif2 4 0 0.4 0.55 0.7 amnbhold 5 4.3 4.6 5.1 8 8.4 - amif2in 6 2.4 2.7 3.2 floating if1gnd 7 external 0 external 0 fmmix2in 8 0 0.1 - 1.5 1.8 2.1 coffset 9 floating 3.5 4 4.5 fmmix2dec 10 0 0.1 - 1.5 1.8 2.1 ifcdaatest 11 0 0 ifampout 12 7.2 7.9 - 2.4 3 3.6 v dda1 13 external 8.5 external 8.5 ifampin 14 2.4 2.7 3 1.5 2 2.5 ifampdec 15 2.4 2.7 3 1.5 2 2.5 if2filq 16 0 0 if2fili 17 0 0 mix1out1 18 external 8.5 external 8.5 mix1out2 19 external 8.5 external 8.5 v dda2 20 external 8.5 external 8.5 swflag 21 open-collector open-collector ammix1dec 22 2.3 2.75 3.1 floating ammix1in 23 2.3 2.75 3.1 floating vamcasfb 24 3.7 4.3 4.9 0 0.1 0.2 vamcas 25 4.5 5 5.5 0 0.1 1 tafamagc 26 0 2.8 4.6 0 (no wb) 0.3 (no wb) 0.5 (no wb) thfamagc 27 2.5 2.8 3.1 floating iamagc 28 8.5 (external biasing) 1 2 3 v ref(mix) 29 2.7 3.1 3.4 6.5 7.1 7.9 fmmixin1 30 1 1.3 1.6 2.3 2.8 3.3 rfgnd 31 external 0 external 0 i.c. 32 - - fmmixin2 33 1 1.3 1.6 2.3 2.8 3.3 wbflag 34 0 4 (wb) 4.5 (wb) 5 (wb) - (fm) < 0.5 (fm) - (fm) ifmagc 35 5 (external application) 0.1 (external biasing) - 4 (external biasing) tfmagc 36 7.5 8 8.3 3.9 4.6 5.3 tkeyedagc 37 floating 1 - 7
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 54 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) daaout 38 - 0.2 0.3 0.2 - 8.25 daatd 39 floating 0.2 - 1.5 daain 40 0 - 8.5 0 - 8.5 i.c. 41 - - v tune 42 0 - 8.5 0 - 8.5 cpout 43 0 - 8.5 0 - 8.5 v dda3 44 external 8.5 external 8.5 fref 45 3.2 3.4 3.7 3.2 3.4 3.7 v ddd 46 external 5 external 5 dgnd 47 external 0 external 0 vcognd 48 external 0 external 0 oscfdb 49 2.2 2.8 3.4 2.2 2.8 3.4 osctnk 50 5 6.1 7.2 5 6.1 7.2 v dda4 51 external 8.5 external 8.5 mpxdcfdb 52 - 2 2.4 2.8 afsample 53 0 0.2 0.5 0 0.2 0.5 afhold 54 open-collector 5 open-collector trdsmute 55 1.7 2.2 2.7 0.7 (muted) 1.2 (muted) 1.7 (muted) 5.2 (not muted) 5.7 (not muted) 6.2 (not muted) amafif2 56 4 4.3 4.6 floating 3.3 rdsmpx 57 0 3.2 4 4.8 fmmpx 58 0 0.5 1 3.2 4 4.8 v dda5 59 external 5 external 5 moddet 60 0 2 2.5 3 v dda6 61 external 8.5 external 8.5 ifbwflag 62 open-collector 8.5 3 (ifbw = 1) 3.3 (ifbw = 1) 4.1 (ifbw = 1) sda 63 4.8 5 5.2 4.8 5 5.2 scl 64 4.8 5 5.2 4.8 5 5.2 v ifbw 65 0 0.1 - 0.5 - 4 if2gnd 66 external 0 external 0 cint 67 0 3.2 4 4.8 modetout 68 0 2 3 4 tacd 69 0 3.2 3.6 4 v level(amfm) 70 0 - 7 0 - 7 xtal1 71 1.7 2.1 2.5 1.7 2.1 2.5 xtalgnd 72 external 0 external 0 xtal2 73 1.7 2.1 2.5 1.7 2.1 2.5 v level(acd) 74 0.5 1 2 0.3 0.5 0.8 acdthres 75 0.37 - 0.4 0.37 - 0.4 table 38. dc operating points ?continued symbol pin unloaded dc voltage (v) am mode fm mode min typ max min typ max
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 55 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) iref 76 4 4.25 4.5 4 4.25 4.5 ammix2out1 77 external 8.5 external 8.5 ammix2out2 78 external 8.5 external 8.5 cagc 79 3.6 4.3 4.8 1.7 2.5 3.3 v ref(lim) 80 0.5 0.8 1.2 3.6 4.2 4.8 table 38. dc operating points ?continued symbol pin unloaded dc voltage (v) am mode fm mode min typ max min typ max
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 56 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 17. package outline fig 14. package outline sot315-1 (lqfp80) unit a max. a 1 a 2 a 3 b p ce (1) eh e ll p z y w v references outline version european projection issue date iec jedec jeita mm 1.6 0.16 0.04 1.5 1.3 0.25 0.27 0.13 0.18 0.12 12.1 11.9 0.5 14.15 13.85 1.45 1.05 7 0 o o 0.15 0.1 0.2 1 dimensions (mm are the original dimensions) note 1. plastic or metal protrusions of 0.25 mm maximum per side are not included. 0.75 0.30 sot315-1 136e15 ms-026 00-01-19 03-02-25 d (1) (1) (1) 12.1 11.9 h d 14.15 13.85 e z 1.45 1.05 d b p e e a 1 a l p detail x l (a ) 3 b 20 c d h b p e h a 2 v m b d z d a z e e v m a x 1 80 61 60 41 40 21 y pin 1 index w m w m 0 5 10 mm scale l qfp80: plastic low profile quad flat package; 80 leads; body 12 x 12 x 1.4 mm sot315 -1
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 57 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 18. soldering of smd packages this text provides a very brief insight into a complex technology. a more in-depth account of soldering ics can be found in application note an10365 ?surface mount reflow soldering description? . 18.1 introduction to soldering soldering is one of the most common methods through which packages are attached to printed circuit boards (pcbs), to form electr ical circuits. the soldered joint provides both the mechanical and the electrical connection. th ere is no single sold ering method that is ideal for all ic packages. wave soldering is often preferred when through-hole and surface mount devices (smds) are mixed on one printed wiring board; however, it is not suitable for fine pitch smds. reflow soldering is ideal for the small pitches and high densities that come with increased miniaturization. 18.2 wave and reflow soldering wave soldering is a joining technology in which the joints are made by solder coming from a standing wave of liquid solder. the wave soldering process is suitable for the following: ? through-hole components ? leaded or leadless smds, which are glued to the surface of the printed circuit board not all smds can be wave soldered. packages with solder balls, and some leadless packages which have solder lands underneath the body, cannot be wave soldered. also, leaded smds with leads having a pitch smaller than ~0.6 mm cannot be wave soldered, due to an increased pr obability of bridging. the reflow soldering process involves applying solder paste to a board, followed by component placement and exposure to a temperature profile. leaded packages, packages with solder balls, and leadless packages are all reflow solderable. key characteristics in both wave and reflow soldering are: ? board specifications, in cluding the board finish , solder masks and vias ? package footprints, including solder thieves and orientation ? the moisture sensitivit y level of the packages ? package placement ? inspection and repair ? lead-free soldering versus snpb soldering 18.3 wave soldering key characteristics in wave soldering are: ? process issues, such as application of adhe sive and flux, clinching of leads, board transport, the solder wave parameters, and the time during which components are exposed to the wave ? solder bath specifications, including temperature and impurities
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 58 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 18.4 reflow soldering key characteristics in reflow soldering are: ? lead-free versus snpb solderi ng; note that a lead-free reflow process usually leads to higher minimum peak temperatures (see figure 15 ) than a snpb process, thus reducing the process window ? solder paste printing issues including smearing, release, and adjusting the process window for a mix of large and small components on one board ? reflow temperature profile; this profile includ es preheat, reflow (in which the board is heated to the peak temperature) and coolin g down. it is imperative that the peak temperature is high enough for the solder to make reliable solder joints (a solder paste characteristic). in addition, the peak temperature must be low enough that the packages and/or boards are not damaged. the peak temperature of the package depends on package thickness and volume and is classified in accordance with ta b l e 39 and 40 moisture sensitivity precautions, as indicat ed on the packing, must be respected at all times. studies have shown that small packages reach higher temperatures during reflow soldering, see figure 15 . table 39. snpb eutectic process (from j-std-020c) package thickness (mm) package reflow temperature ( c) volume (mm 3 ) < 350 350 < 2.5 235 220 2.5 220 220 table 40. lead-free process (from j-std-020c) package thickness (mm) package reflow temperature ( c) volume (mm 3 ) < 350 350 to 2 000 > 2 000 < 1.6 260 260 260 1.6 to 2.5 260 250 245 > 2.5 250 245 245
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 59 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) for further information on temperature profiles, refer to application note an10365 ?surface mount reflow soldering description? . msl: moisture sensitivity level fig 15. temperature profiles for large and small components 001aac84 4 temperature time minimum peak temperature = minimum soldering temperature maximum peak temperature = msl limit, damage level peak temperature
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 60 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 19. abbreviations 20. revision history table 41. abbreviations acronym description af audio frequency agc automatic gain control casp car audio signal processor crisp car radio integrated signal processor daa digital auto alignment hf high frequency i 2 c-bus inter ic bus if intermediate frequency lo local oscillator lw long wave mpx multiplex mw medium wave nice new in car entertainment pacs precision adjacent channel suppression pll phase-locked loop rds radio data system rf radio frequency sw short wave vco voltage-controlled oscillator wb weather band table 42. revision history document id release date data sheet status change notice supersedes TEA6848HL_4 20100129 product data sheet - TEA6848HL_3 TEA6848HL_3 20080214 preliminary data sheet - TEA6848HL_2 TEA6848HL_2 20041112 objective specification - TEA6848HL_1 TEA6848HL_1 20041022 objective specification - -
TEA6848HL_4 ? nxp b.v. 2010. all rights reserved. product data sheet rev. 04 ? 29 january 2010 61 of 62 nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) 21. legal information 21.1 data sheet status [1] please consult the most recently issued document before initiating or completing a design. [2] the term ?short data sheet? is explained in section ?definitions?. [3] the product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple device s. the latest product status information is available on the internet at url http://www.nxp.com . 21.2 definitions draft ? the document is a draft versi on only. the content is still under internal review and subject to formal approval, which may result in modifications or additions. nxp semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall hav e no liability for the consequences of use of such information. short data sheet ? a short data sheet is an extract from a full data sheet with the same product type number(s) and title. a short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. for detailed and full information see the relevant full data sheet, which is available on request vi a the local nxp semiconductors sales office. in case of any inconsistency or conflict with the short data sheet, the full data sheet shall prevail. 21.3 disclaimers general ? information in this document is believed to be accurate and reliable. however, nxp semiconductors d oes not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. right to make changes ? nxp semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. this document supersedes and replaces all information supplied prior to the publication hereof. suitability for use ? nxp semiconductors products are not designed, authorized or warranted to be suitable for use in medical, military, aircraft, space or life support equipment, nor in applications where failure or malfunction of an nxp semiconductors product can reasonably be expected to result in personal injury, death or severe property or environmental damage. nxp semiconductors accepts no liability for inclusion and/or use of nxp semiconductors products in su ch equipment or applications and therefore such inclusion and/or use is at the customer?s own risk. applications ? applications that are described herein for any of these products are for illustrative purpos es only. nxp semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. limiting values ? stress above one or more limiting values (as defined in the absolute maximum ratings system of iec 60134) may cause permanent damage to the device. limiting values are stress ratings only and operation of the device at these or any other conditions above those given in the characteristics sections of this document is not implied. exposure to limiting values for extended periods may affect device reliability. terms and conditions of sale ? nxp semiconductors products are sold subject to the general terms and condit ions of commercial sale, as published at http://www.nxp.com/profile/terms , including those pertaining to warranty, intellectual property rights infringement and limitation of liability, unless explicitly otherwise agreed to in writ ing by nxp semiconductors. in case of any inconsistency or conflict between information in this document and such terms and conditions, the latter will prevail. no offer to sell or license ? nothing in this document may be interpreted or construed as an offer to sell products t hat is open for acceptance or the grant, conveyance or implication of any lic ense under any copyrights, patents or other industrial or intellectual property rights. export control ? this document as well as the item(s) described herein may be subject to export control regulations. export might require a prior authorization from national authorities. quick reference data ? the quick reference data is an extract of the product data given in the limiting values and characteristics sections of this document, and as such is not comp lete, exhaustive or legally binding. 21.4 trademarks notice: all referenced brands, produc t names, service names and trademarks are the property of their respective owners. i 2 c-bus ? logo is a trademark of nxp b.v. 22. contact information for more information, please visit: http://www.nxp.com for sales office addresses, please send an email to: salesaddresses@nxp.com document status [1] [2] product status [3] definition objective [short] data sheet development this document contains data from the objec tive specification for product development. preliminary [short] data sheet qualification this document contains data from the preliminary specification. product [short] data sheet production this document contains the product specification.
nxp semiconductors TEA6848HL new in car entertainment car radio tuner ic (nice-pacs) ? nxp b.v. 2010. all rights reserved. for more information, please visit: http://www.nxp.com for sales office addresses, please se nd an email to: salesaddresses@nxp.com date of release: 29 january 2010 document identifier: TEA6848HL_4 please be aware that important notices concerning this document and the product(s) described herein, have been included in section ?legal information?. 23. contents 1 general description . . . . . . . . . . . . . . . . . . . . . . 1 2 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 quick reference data . . . . . . . . . . . . . . . . . . . . . 2 4 ordering information . . . . . . . . . . . . . . . . . . . . . 3 5 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4 6 pinning information . . . . . . . . . . . . . . . . . . . . . . 5 6.1 pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 6.2 pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5 7 functional description . . . . . . . . . . . . . . . . . . . 7 7.1 oscillators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 7.1.1 vco . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 7.1.2 pll . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 7.1.3 crystal oscillator . . . . . . . . . . . . . . . . . . . . . . . . 8 7.2 daa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 7.3 fm signal channel . . . . . . . . . . . . . . . . . . . . . . 8 7.3.1 fm mixer 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 7.3.2 buffer output for weather band flag (pin wbflag) . . . . . . . . . . . . . . . . . . . . . . . . . 8 7.3.3 fm keyed agc . . . . . . . . . . . . . . . . . . . . . . . . . 9 7.3.4 fm if amplifier . . . . . . . . . . . . . . . . . . . . . . . . . 9 7.3.5 fm mixer 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7.3.6 fm if2 dynamic selectivity . . . . . . . . . . . . . . . . 9 7.3.7 fm quadrature demodulator . . . . . . . . . . . . . . . 9 7.3.8 adjacent channel detector and threshold extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7.3.9 bandwidth control ?active? flag (pin ifbwflag) . . . . . . . . . . . . . . . . . . . . . . . . 9 7.3.10 bandwidth control monitor voltage (pin v ifbw ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7.4 am signal channel . . . . . . . . . . . . . . . . . . . . . . 9 7.4.1 am tuner including mixer 1 and mixer 2 . . . . . . 9 7.4.2 am rf agc . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7.4.3 am detector . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7.4.4 am noise blanker . . . . . . . . . . . . . . . . . . . . . . 10 7.5 fm and am level detector. . . . . . . . . . . . . . . . 10 7.6 if2 filter gain alignment . . . . . . . . . . . . . . . . . 10 7.7 frequency offset detector/alignment . . . . . . . 11 8i 2 c-bus protocol. . . . . . . . . . . . . . . . . . . . . . . . 11 8.1 data transfer mode and ic address . . . . . . . . 11 8.2 write mode: data byte 0 . . . . . . . . . . . . . . . . . 11 8.3 write mode: data byte 1 . . . . . . . . . . . . . . . . . 12 8.4 write mode: data byte 2 . . . . . . . . . . . . . . . . . 12 8.5 write mode: data byte 3 . . . . . . . . . . . . . . . . . 12 8.6 write mode: data byte 4 . . . . . . . . . . . . . . . . . 13 8.7 write mode: data byte 5 . . . . . . . . . . . . . . . . . 14 8.8 write mode: data byte 6 . . . . . . . . . . . . . . . . . 15 8.9 write mode: data byte 7 . . . . . . . . . . . . . . . . . 15 8.10 read mode: data byte 0. . . . . . . . . . . . . . . . . 15 8.11 i 2 c-bus specification . . . . . . . . . . . . . . . . . . . 16 8.11.1 data transfer . . . . . . . . . . . . . . . . . . . . . . . . . 16 8.11.2 i 2 c-bus pull-up resistors. . . . . . . . . . . . . . . . . 16 8.11.3 restriction of the i 2 c-bus characteristic. . . . . 16 8.11.4 frequency setting . . . . . . . . . . . . . . . . . . . . . 17 8.11.5 default settings . . . . . . . . . . . . . . . . . . . . . . . 17 8.11.6 timing requirements . . . . . . . . . . . . . . . . . . . 17 9 internal circuitry . . . . . . . . . . . . . . . . . . . . . . . 17 10 limiting values . . . . . . . . . . . . . . . . . . . . . . . . 30 11 thermal characteristics . . . . . . . . . . . . . . . . . 30 12 static characteristics . . . . . . . . . . . . . . . . . . . 30 13 dynamic characteristics. . . . . . . . . . . . . . . . . 32 14 overall system parameters . . . . . . . . . . . . . . 47 15 application information . . . . . . . . . . . . . . . . . 48 16 test information . . . . . . . . . . . . . . . . . . . . . . . 51 17 package outline. . . . . . . . . . . . . . . . . . . . . . . . 56 18 soldering of smd packages . . . . . . . . . . . . . . 57 18.1 introduction to soldering. . . . . . . . . . . . . . . . . 57 18.2 wave and reflow soldering. . . . . . . . . . . . . . . 57 18.3 wave soldering . . . . . . . . . . . . . . . . . . . . . . . 57 18.4 reflow soldering . . . . . . . . . . . . . . . . . . . . . . 58 19 abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 60 20 revision history . . . . . . . . . . . . . . . . . . . . . . . 60 21 legal information . . . . . . . . . . . . . . . . . . . . . . 61 21.1 data sheet status . . . . . . . . . . . . . . . . . . . . . . 61 21.2 definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 21.3 disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 61 21.4 trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 61 22 contact information . . . . . . . . . . . . . . . . . . . . 61 23 contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

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