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rev.2.00 jun 14, 2006 page 1 of 18 M52334FP pll-split vif/sif ic rej03f0164-0200 rev.2.00 jun 14, 2006 description the M52334FP is if signal-processing ic for vcrs and tvs. it enables the pll detection system despite size as small as that of conventional quasi-synchronous vif/sif detector, if/rf agc, sif limiter and fm detector. features ? video detection output is 2 v p-p . it has built-in eq amp. ? the package is a 20-pin flat p ackage, suitable for space saving. ? the video detector uses pll for full synchronous detection circuit. it produces excellent characteristics of dg, dp, 920 khz beat, and cross color. ? dynamic agc realizes high-speed response with only single filter. ? video if and sound if signal pr ocessing are separated from each other. vc o output is used to obtain intercarrier. ? as aft output voltage uses the apc output voltage, vco coil is not used. ? audio fm demodulation uses pll system, so it has wide frequency range with no external parts and no adjustment. ? this ic corresponds to only inter of ntsc system. application tv sets, vcr tuners recommended operating condition ? in case of v cc and vreg. out short ? supply voltage range: 4.75 to 5.25 v ? recommended supply voltage: 5.0 v ? incase of vreg. out open ? supply voltage range: 8.5 to 12.5 v
M52334FP rev.2.00 jun 14, 2006 page 2 of 18 block diagram 20 19 18 17 16 15 14 13 eq f/b if agc filter 12 nfb 11 audio out eq out video out 1 2 3 4 5 6 7 8 vif amp rf agc vco apc video det eq amp if agc v cc reg af amp fm det lim amp v cc limiter in 9 10 sif gnd vco coil vco coil vreg. out eq in apc filter rf agc out gnd vif in vif in rf agc delay aft out aft pin arrangement 1 20 10 7 6 5 4 3 2 eq out limiter in v cc vco coil vco coil vreg. out eq in a pc filter eq f/b (top view) M52334FP outline: prsp0020da-a (20p2n-a) audio out rf agc out gnd vif in vif in rf agc delay aft out 14 15 16 17 18 19 11 9 8 sif gnd video out nfb if agc filter 12 13
M52334FP rev.2.00 jun 14, 2006 page 3 of 18 absolute maximum ratings (ta = 25 c, unless otherwise noted) item symbol ratings unit condition supply voltage1 v cc 13.2 v v cc and vreg. out is not connected to each other. supply voltage vreg. out vreg. out 6.0 v v cc and vreg. out is not connected to each other. power dissipation pd 1225 mw operating temperature topr ? 20 to + 85 c storage temperature tstg ? 40 to + 150 c surge voltage resistance surge 200 v surge protection capacitance 200 pf resistance 0 electrical characteristics (v cc = 9 v, ta = 25 c, unless otherwise noted.) limits test conditions item symbol test circuit test point input point input sg min. typ. max. unit switches set to position 1 unless otherwise indicated vif section circuit current1 v cc = 5v i cc1 1 a ? ? 33 40.5 47 ma v cc = 5v sw4 = 2, sw7 = 2 circuit current2 v cc = 12v i cc2 1 a ? ? 31 40.5 49 ma v cc = 12v sw7 = 2 vreg voltage2 v cc2 1 tp4 ? ? 4.7 5.00 5.3 v v cc = 12v video output dc voltage1 v1 1 tp1a ? ? 3.45 3.9 4.35 v sw13 = 2 v13 = 0v video output voltage8 vo det8 1 tp8 vif in sg1 0.85 1.1 1.35 v p-p video output voltage1 vo det 1 tp1a vif in sg1 1.85 2.2 2.55 v p-p video s/n video s/n 1 tp1b vif in sg2 51 56 ? db sw1 = 2 video band width bw 1 tp1a vif in sg3 5.0 7.0 ? mhz sw13 = 2 v13 = variable input sensitivity vin mi n 1 tp1a vif in sg4 48 52 db maximum allowable input vin max 1 tp1a vif in sg5 101 105 ? db agc control range input gr ? ? ? ? 50 57 ? db if agd voltage v13 1 tp13 vif in sg6 2.85 3.15 3.45 v maximum if agc voltage v13h 1 tp13 ? ? 4.0 4.4 ? v maximum if agc voltage v13l 1 tp13 vif in sg7 2.2 2.4 2.6 v maximum rf agc voltage v14h 1 tp14 vif in sg2 8.0 8.7 ? v sw13 = 2 v13 = 4v minimum rf agc voltage v14l 1 tp14 vif in sg2 ? 0.1 0.5 v sw13 = 2 v13 = 1v
M52334FP rev.2.00 jun 14, 2006 page 4 of 18 (v cc = 9 v, ta = 25 c, unless otherwise noted.) limits test conditions item symbol test circuit test point input point input sg min. typ. max. unit switches set to position 1 unless otherwise indicated rf agc operation voltage v14 1 tp14 vif in sg8 86 89 92 db capture range u cl-u 1 tp1a vif in sg9 0.8 1.3 ? mhz capture range l cl-l 1 tp1a vif in sg9 1.4 2.0 ? mhz capture range t cl-t 1 ? ? ? 2.5 3.3 ? mhz aft sensitivity 1 tp19 vif in sg10 20 30 70 mv/khz aft maximum voltage v19h 1 tp19 vif in sg10 7.7 8.2 ? v aft minimum voltage v19l 1 tp19 vif in sg10 ? 0.7 1.2 v aft defeat 1 aft def1 1 tp19 vif in ? 4.2 4.5 4.8 v inter modulation im 1 tp3a vif in sg11 35 42 ? db sw13 = 2 v13 = variable differential gain dg 1 tp3a vif in sg12 ? 2 5 % differential phase dp 1 tp3a vif in sg12 ? 2 5 deg sync. tip level v3 sync 1 tp3a vif in sg2 1.0 1.4 1.8 v vif input resister rinv 2 tp17 ? ? ? 1.2 ? k ? vif input capacitance cinv 2 tp17 ? ? ? 5 ? pf sif section af output dc voltage v1 1 tp11 ? ? 3.5 4.4 5.3 v af output voaf 1 tp11 sif in sg16 565 790 1125 mvrms af output distortion thd af 1 tp11 sif in sg16 ? 0.4 0.9 % limiting sensitivity lim 1 tp11 sif in sg17 ? 42 55 db am rejection amr 1 tp11 sif in sg18 55 65 ? db af s/n af s/n 1 tp11 sif in sg19 55 65 ? db
M52334FP rev.2.00 jun 14, 2006 page 5 of 18 electrical characteristics test method video s/n input sg2 into vif in and measure the video out (pin 3) noise in r.m.s at tp3-b through a 5 mhz ( ? 3 db) l.p.f. s/n = 20 log (db) 0.7 ? vo det noise bw video band width 1. measure the 1 mhz component level of eq output tp3a with a spectrum analyzer when sg3 (f2 = 44.75 mhz) is input into vif in. at that time, measure the voltage at tp13 with sw13, set to position 2, and then fix v13 at that voltage. 2. reduce f2 and measure the value of (f2 ? f0) when the (f2 ? f0) component level reaches ?3 db from the 1 mhz component level as shown below. tp18 1 mhz bw (f2 ? f0) ? 3 db vin min input sensitivity input sg4 (vi = 90 db ) into vif in, and then gradually reduce vi and measure the input level when the 20 khz component of eq output tp3a reaches ? 3 db from vo det level. vin max maximum allowable input 1. input sg5 (vi = 90 db ) into vif in, and measure the level of the 20 khz components of eq output. 2. gradually increase the vi of sg and meas ure the input level when the output reaches ? 3 db. gr agc control range gr = vin max ? vin min (db)
M52334FP rev.2.00 jun 14, 2006 page 6 of 18 v18 rf agc operating voltage input sg8 into vif in, and gradually reduce vi and then measure the input level when rf agc output tp14 reaches 1/2 v cc , as shown below. tp18 voltage 1/2 v cc v 18h v 18l vi vi (db ) cl-u capture range 1. increase the frequency of sg9 until the vco is out of locked-oscillation. 2. decrease the frequency of sg9 and measur e the frequency fu when the vco locks. cl-u = fu ? 45.75 (mhz) cl-l capture range 1. decrease the frequency of sg9 until the vco is out of locked-oscillation. 2. increase the frequency of sg9 and measur e the frequency fl when the vco locks. cl-l = 45.75 ? fl (mhz) cl-t capture range cl-t = cl-u + cl-l (mhz) aft sensitivity, v 19h aft maximum voltage, v 19l aft minimum voltage 1. input sg10 into vif in, and set the frequency of sg 10 so that the voltage of aft output tp19 is 5 v. this frequency is named f (3). 2. set the frequency of sg10 so that the aft output voltage is 4 v. this frequency is named f (2). 3. in the graph, maximum and minimum dc voltage are v 19h and v 19l , respectively.
M52334FP rev.2.00 jun 14, 2006 page 7 of 18 tp19 voltage 5 v 4 v f (3) f (2) f (mhz) v 19h v 19l = (mv/khz) 1000 (mv) f (2) ? f (3) (khz) im intermodulation 1. input sg11 into vif in, and measure eq output tp3a with an oscilloscope. 2. adjust agc filter voltage v13 so that the minimum dc level of the output waveform is 1.0 v. 3. at this time, measure, tp3a with a spectrum analyzer. the intermoduration is defined as a difference between 0.92 mhz and 3.58 mhz frequency components. lim limiting sensitivity 1. input sg17 (vi = 90 db ) into sif input, and measure the 400 hz component level of af output tp11. 2. lower the input level of sg17, and measure the level of sg17 when the voaf level reaches ? 3 db. amr am rejection 1. input sg18 into sif input, and measure the output level of af output tp11. this level is named vam. 2. amr is; a mr = 20 log (db) voaf (mvrms) vam (mvrms) af s/n 1. input sg19 into sif input, and measure the output noise level of af output tp11. this level is named vn. 2. s/n is; s/n = 20 log (db) voaf (mvrms) vn (mvrms)
M52334FP rev.2.00 jun 14, 2006 page 8 of 18 the note in the system setup m52234fp has 2 power supply pins of v cc (pin 7) and vreg. out (pin 4). pin 7 is for aft output, rf agc output circuits and 5 v regulated power supply circuit and pin 4 is for the other circuit blocks. in case M52334FP is used together with other ics like vif operating at more than 5 v, the same supply voltage as that of connected ics is applied to v cc and vreg. out is opened. the other circuit blocks, connected to verg. out are powered by internal 5 v regulated power supply. in case the connecting ics are operated at 5 v, 5 v is supplied to both v cc and vreg. out. input signal sg no. signals (50 ? termination) 1 f 0 = 45.75 mhz am 20 khz 77.8 % 90 db 2 f 0 = 45.75 mhz 90 db cw 3 f 1 = 45.75 mhz 90 db cw (mixed signal) f 2 = frequency variable 70 db cw (mixed signal) 4 f 0 = 45.75 mhz am 20 khz 77.8 % level variable 5 f 0 = 45.75 mhz am 20 khz 14.0 % level variable 6 f 0 = 45.75 mhz 80 db cw 7 f 0 = 45.75 mhz 110 db cw 8 f 0 = 45.75 mhz cw level variable 9 f 0 = variable am 20 khz 77.8 % 90db 10 f 0 = variable 90 db cw 11 f 1 = 45.75 mhz 90 db cw (mixed signal) f 2 = 42.17 mhz 80 db cw (mixed signal) f 3 = 41.25 mhz 80 db cw (mixed signal) 12 f 0 = 45.75 mhz 87.5 % tv modulation ten-step waveform sync tip level 90 db 13 f 1 = 41.25 mhz 103 db cw 14 f 1 = 41.25 mhz 70 db cw 15 f 1 = 45.75 mhz 90 db cw (mixed signal) f 2 = 41.25 mhz 70 db cw (mixed signal) 16 f 0 = 4.5 mhz 90 db fm 400 hz 25 khz dev 17 f 0 = 4.5 mhz fm 400 hz 25 khz dev level variable 18 f 0 = 4.5 mhz 90 db am400hz 30 % 19 f 0 = 4.5 mhz 90 db cw
M52334FP rev.2.00 jun 14, 2006 page 9 of 18 test circuit af out video out vif amp rf agc vco apc video det eq amp if agc v cc reg af amp fm det lim amp v cc v cc vreg. out rf agc out if in rf agc delay aft out aft 2.2 v p-p eq out 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 +
M52334FP rev.2.00 jun 14, 2006 page 10 of 18 typical characteristics thermal derating (maximum rating) ambient temperature ta (c) 1750 1500 1250 1225 637 1000 750 500 250 0 ?20 0 25 50 75 100 125 150 power dissipation pd (mw)
M52334FP rev.2.00 jun 14, 2006 page 11 of 18 application example 1 sif in vif amp rf agc vco apc video det eq amp if agc v cc reg af amp fm det lim amp vif in aft l p f 1 2 3 4 5 6 vco coil 5540 7 8 9 10 20 19 18 17 16 15 14 13 12 11 + v cc 51 tp8 33 1 m 1 k sw3 12 sw4 1 2 tp1a tp1b 62 0.1 sw7 2 1 a units r: ? c: f tp11 tp14 tp20 tp19 1:1 tp13 7.5 k 150 k 150 k 27 k 33 k 0.1 0.22 tp18 sw13 v13 21 51 note: all capacitor is 0.01 f, unless otherwise specified. the measuring circuit 1 is renesas standard evaluation fixture.
M52334FP rev.2.00 jun 14, 2006 page 12 of 18 application example 2 vif amp rf agc vco apc video det eq amp if agc v cc reg af amp fm det lim amp aft 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 units r: ? c: f note: all capacitor is 0.01 f, unless otherwise specified. + 33 tp17 hi lo rx meter
M52334FP rev.2.00 jun 14, 2006 page 13 of 18 pin description pin 1 (eq out) internal driving current: 3 ma 1 1.4 v o-p an output amplitude is positive 2.2 v p-p in the case of 87.5% video modulation. pin 2 (apc filter) 2 bias + in the locked state, the cut-off frequency of the filter is adjusted effectively by an external resistor so that it will be in the range of around 30 to 200 khz. in case the cut-off frequency is lower, the pull-in speed becomes slow. on the other hand, a higher cut-off frequency widen the pull-in range and band width, which results in a degradation in the s/n ratio. so, in the actual tv system design, the appropriate constant should be chosen for getting desirable performance considering above conditions. (v2) 3.0 v o-p fo (if input frequency) (fm mod. frequency) 100 khz (pin 2 output) 12 k pin 3 (eq in) it is an open-base input. the if agc does not work correctly, unless a dc element of pin 8 output is applied to it. 3 pin 4 (vreg. out) it is a regulated 5 v output which has current drive capability of approximately 10 ma. + 10.5 k 3.8 k 4
M52334FP rev.2.00 jun 14, 2006 page 14 of 18 pin 5, pin 6 (vco coil) connecting a tuning coil and capacitor to these pins enables an oscillation. the tuning capacitor of about 30 pf is recommended. the oscillation frequency is tuned in f0. in the actual adjustment, the coil is tuned so that the aft voltage is reached to v cc /2 with f0 as an input. the printed pattern around these pins should be designed carefully to prevent an pull-in error of vco, caused by the laekage interference from the large signal level oscillator to adjacent pins. the interconnection should be designed as short as possible. in case the printed pattern has the interference problem, a capacitor of about 1 pf is connected between pin 5 or 6 and gnd so as to cancel the interference and keep enough pull- in range even in a weak electric field. 5 6 466 850 466 850 pin 7 (v cc ) the recommended supply voltage is 5 v or 9 to 12 v. in the case of 5 v supply, it should be tied to pin 17. in the case of 9 to 12 v supply, a regulated output of 5 v are available in pin 17. 7 + v cc pin 8 (video out) internal driving current: 2 ma 8 an output amplitude is positive 2 v p-p in the case of 87.5% video modulation. pin 9 (sif gnd) it is ground (gnd) for the sif. 9
M52334FP rev.2.00 jun 14, 2006 page 15 of 18 pin 10 (limiter in) the input impedance is 2 k ? . 10 bias terminal voltage: 2.2 v 2 k 2 k pin 11 (audio out) internal driving current: 1 ma 11 the fm detector can respond to the 4.5 mhz intercarrier signal without an adjustment and external components by adopting the pll technique. the output dc voltages of 4.4 v o-p and 2.4 v o-p are in the v cc of 9 v and 5 v, respectively. since its output frequency is more than 100 khz in no loading condition, it can also respond to the multi audio broadcasting. pin 12 (nfb) 12 terminal voltage: 3.0 v 50 k 50 k the frequency response of the audio output is set by the external capacitor of pin 12. connecting series resistor to the capacitor above, can reduce an audio output amplitude. (fm mod. frequency) 100 khz (pin 11 output) in the case of 0.1 f, the cut-off frequency is 35 hz. pin 13 (if agc filter) 13 1 k v cc in spite of the 1-pin filter configuration, 2-pin filter characteristics are available by utilizing the dynamic agc circuit. weak electric field strong electric field (if input) (v13) 0
M52334FP rev.2.00 jun 14, 2006 page 16 of 18 pin 14 (rf agc out) 14 the maximum outflow current is 0.2 ma. the maximum inflow current is 0.2 ma. tuner a current mode output is available in the reverse agc operation. (in open-loop condition) (v14) v cc strong electric field weak electric field 0 (if input) note: connecting a nonpolarity capacitor of 1 f between pin 14 and pin 18 improves agc operating speed. in that case, the capacitors between pin 14/pin 18 and ground should be removed. pin 15 (gnd) it is gnd pin except for sif. 15 pin 16, pin 17 (vif in) it should be designed considering careful impedance matching with the saw filter. 17 16 bias 1.2 k 1.2 k saw terminal voltage : 1.45 v pin 18 (rf agc delay) an applied voltage to the pin 18 is for changing a rf agc delay point. in the 3-in-1 type application, the regulated output from the regulator is suitable for a power supply (v cc ) to it, because there may be difference between the tuner and main board supply. tv tuner, vif demodulator and rf modulator are togetherin one package. 18 v cc
M52334FP rev.2.00 jun 14, 2006 page 17 of 18 pin 19 (aft out) 19 the maximum outflow current is 0.2 ma. the maximum inflow current is 0.2 ma. tuner v cc since an aft output is provided by a high impedance source, the detection sensitivity can be set by an external resistor. the muting operation will be on in following two cases; 1) the apc is out of locking, 2) the video output becomes small enough in a weak electric field. (in open-loop condition) v cc 0 (fo) (v19) v cc 2 note: in the case of 5 v supply, it should be c onsidered that the maximum aft and rf agc output are less than 4.2 v and 4.7 v, respectively. pin 20 (eq f/b) 20 + 3.9 k 16.8 k 3.1 k 500 both the external coil and capacitor determine the frequency response of eq output. the series connected resistor is for damping.
M52334FP rev.2.00 jun 14, 2006 page 18 of 18 package dimensions 2. 1. dimensions "*1" and "*2" do not include mold flash. note) dimension "*3" does not include trim offset. 1.42 1.12 b p a 1 h e y 0.1 e 1.27 c 0 8 l 0.4 0.6 0.8 0 0.1 0.2 a 2.1 7.5 7.8 8.1 a 2 1.8 e 5.2 5.3 5.4 d 12.5 12.6 12.7 reference symbol dimension in millimeters min nom max 0.35 0.4 0.5 0.18 0.2 0.25 p-sop20-5.3x12.6-1.27 0.3g mass[typ.] 20p2n-a prsp0020da-a renesas code jeita package code previous code detail f l a 2 a 1 y index mark *1 *2 *3 1 10 11 20 f h e e e b p a c d
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