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?1 cxa1560s, cxa1561m/s, cxa1562m/s e93805b5x-pp dolby * b-c type noise reduction system description the cxa1560 series is a bipolar ic incorporating stereo dolby b-c type noise reduction (nr) system. five kinds of device are provided due to the combination of three line output levels and two packages for various applications. a reduction in the number of external parts and small package have been achieved due to the fact that the spectral skewing circuits are all on-chip. features few external parts spectral skewing circuit are on-chip nr on/off, rec/pb, mpx filter on/off switches small package (24-pin sop, 22-pin sdip) low current consumption 13ma typ. (power supply 6v) structure bipolar silicon monolithic ic absolute maximum ratings (ta = 25?) supply voltage vcc ?v ee 17 v operating temperature topr ?0 to +85 ? storage temperature tstg ?5 to +150 ? allowable power dissipation p d 600 (sop) mw 1200 (sdip) mw sony reserves the right to change products and specifications without prior notice. this information does not convey any license by any implication or otherwise under any patents or other right. application circuits shown, if any, are typical examples illustrating the operation of the devices. sony cannot assume responsibility for any problems arising out of the use of these circuits. cxa1561m cxa1562m 24 pin sop (plastic) cxa1560s CXA1561S cxa1562s 22 pin sdip (plastic) * this ic is available only to the licensees of dolby laboratories licensing corporation from whom licensing and applications information may be obtained. * "dolby" and the double d symbols are trademarks of dolby laboratories licensing corporation.
?2 cxa1560s, cxa1561m/s, cxa1562m/s ssk hls hdet ldet lls rec amp v cc mode control v ee iref moa moa hls hdet ldet lls ssk rec amp p2 p14 recout1 p3 mode recout1 mode v cc c16 1 c15 68n c14 100n lineout1 tch1 tcl1 p13 lineout1 c13 1 mpx filter p12 p11 r11 3.3k r12 6.8k mpxin1 mpxout1 vct pbin1 linein1 12 13 14 15 16 17 18 19 20 21 22 c12 1 c11 1 pbin1 linein1 p1 c1 10 c2 10 v cc v ee nrsw p5 recout2 p24 nrsw v ee tcl2 recout2 lineout2 tch2 mpxin2 mpxout2 linein2 iref pbin2 c26 1 c25 68n c24 100n lineout2 p23 c23 1 mpx filter r21 3.3k r22 6.8k c22 1 c21 1 r1 20k p21 p22 linein2 pbin2 2 3 4 5 6 7 8 9 10 11 1 block diagram and pin configuration note) this figure shows sdip package. for sop package, refer to the pin description or application circuit.
?3 cxa1560s, cxa1561m/s, cxa1562m/s pin description and equivalent circuit pin no. symbol z: imp vdc (v) equivalent circuit description sop sdip 1 3, 22 3, 20 5, 20 5, 18 1 iref 0 40k 62k 0 v ee + 1.25v vct vct vct reference current pin for setting internal filter cut-off frequency recording input pin reference level = ?5dbm buffer amplifier output pin to drive multiplex filter reference level = ?5dbm playback input pin reference level = ?0dbm buffer amplifier input pin to drive multiplex filter reference level = ?9dbm 2, 21 pb in mpx in line in mpx out 2, 23 4, 19 4, 21 v ee + 1.25v v cc v ee v cc v ee vct 40k v cc vct v ee 62k v cc v ee 500 500 8.8k
?4 cxa1560s, cxa1561m/s, cxa1562m/s vdc (v) sop sdip 6, 19 8, 17 8, 15 9, 16 9, 14 6, 17 line out 0 0 vct v ee + 0.4v v ee + 0.4v vct line output pin time constant connecting pin for lls detector recording output pin reference level = ?dbm time constant connecting pin for hls detector 7, 16 tch tcl rec out 7, 15 v cc v ee 200 200 13k 36k 330k v cc v ee 13.5k 480k v cc v ee v cc v ee 200 200 z: imp pin no. symbol equivalent circuit description
?5 cxa1560s, cxa1561m/s, cxa1562m/s vdc (v) sop sdip 10 24 14 10 mode vct mode control pin h: rec (filter on) m: rec (filter off) l: pb dual power supply: gnd single power supply: vcc/2 vcc 0 12 15 13 nrsw v ee v cc vct v ee v cc v ee 50a 22k 50k v cc v ee 50a 22k 50k 11 11 v cc 22 nr control pin h: c type m: b type l: nr off dual power supply: v ee single power supply: gnd pin z: imp pin no. symbol equivalent circuit description
?6 cxa1560s, cxa1561m/s, cxa1562m/s electrical characteristics ta = 25?, dolby level: ?dbm (= 388mvrms) at rec out, v cc = 15v (cxa1560), v cc = 12v (cxa1561), v cc = 9v (cxa1562) characteristics operating voltage cxa1560 cxa1561 cxa1562 current consumption cxa1560 cxa1561 cxa1562 line out level cxa1560 cxa1561 cxa1562 line in level pb in level mpx amplifier gain encode characteristics b type boost (1) (2) (3) (4) c type boost (1) (2) (3) (4) (5) (6) symbol r/p nr f (hz) other conditions min. typ. max. unit vopr i cc vlout vlin vpin gmpx b-r-1 b-r-2 b-r-3 b-r-4 c-r-1 c-r-2 c-r-3 c-r-4 c-r-5 c-r-6 rec rec rec pb mpx rec rec rec rec rec rec rec rec rec rec off off off off off b b b b c c c c c c 1k 1k 1k 1k 500 5k 10k 10k 500 500 2k 2k 5k 10k no signal ?5db ?5db ?0db 0db ?0db ?5db ?0db ?5db ?5db 0db 11.5 8.5 7.2 8.0 8.0 8.0 ?.0 ?.0 ?.0 ?7 ?2 9.0 1.4 3.9 9.7 ?.1 14.2 7.2 18.7 5.4 3.5 ?.5 13.2 13.0 12.8 0.0 ?.0 ?.0 ?5 ?0 10.0 2.9 5.4 10.4 0.4 16.2 9.2 20.7 7.4 5.5 ?.5 16.0 16.0 16.0 18.0 18.0 18.0 1.0 ?.0 ?.0 ?3 ?8 11.0 4.4 6.9 11.4 1.9 18.2 11.2 22.7 9.4 7.5 ?.5 v v v ma ma ma dbm dbm dbm dbm dbm db db db db db db db db db db db measurement conditions *
?7 cxa1560s, cxa1561m/s, cxa1562m/s signal handling cxa1560 cxa1561 cxa1562 total harmonic distortion 1) nr off cxa1560 cxa1561 cxa1562 2) b cxa1560 cxa1561 cxa1562 3) c cxa1560 cxa1561 cxa1562 s/n rec-pb pb-rec rec ch to ch rec out offest voltage (off-c type) vomax thd (off) thd (b) thd (c) sn (ccir) ct-1 ct-2 ct-3 voff rec rec rec rec rec pb rec rec rec off off b c c off off off off c 1k 1k 1k 1k 1k 1k 1k thd = 1% +10db +10db +10db rg = 5 (ccir/arm) 0db 0db 0db 13.5 13.5 13.5 60 ?00 16.0 16.2 16.0 0.03 0.02 0.02 0.03 0.03 0.04 0.04 0.04 0.05 64 ?0 ?7 ?3 0 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.2 ?0 ?0 ?5 100 db db db % % % % % % % % % db db db db mv * 0db means the level which provides the dolby level to recording output when nr is off. characteristics symbol r/p nr f (hz) other conditions min. typ. max. unit measurement conditions *
?8 cxa1560s, cxa1561m/s, cxa1562m/s recout1 mode v cc lineout1 tch1 tcl1 mpxin1 mpxout1 vct pbin1 linein1 nrsw gnd tcl2 recout2 lineout2 tch2 mpxin2 mpxout2 linein2 iref pbin2 c1 100 s21 vnrsw cxa1560s/a1561s/a1562s a dc volt meter c25 68n c24 100n c23 1 r21 3.3k r22 6.8k c21 1 r1 20k c22 1 ccir/arm filter audio analyzer c26 1 audio sg s22 s1 - 2 s2 - 2 s3 s12 s11 2 3 4 5 6 7 8 9 10 11 1 v cc s2 - 1 s1 - 1 vmode c16 1 c15 68n c14 100n c13 1 r11 3.3k r12 6.8k c12 1 c11 1 c2 100 12 13 14 15 16 17 18 19 20 21 22 electrical characteristics measurement circuit
?9 cxa1560s, cxa1561m/s, cxa1562m/s recout1 mode v cc lineout1 tch1 tcl1 mpxin1 mpxout1 vct pbin1 linein1 nrsw v ee tcl2 recout2 lineout2 tch2 mpxin2 mpxout2 linein2 iref pbin2 c2 10 cxa1560s/1561s/1562s c23 1 r21 3.3k (5%) c21 1 r1 20k (2%) c22 1 c12 1 c11 1 r22 6.8k (5%) mpx filter c24 100n (10%) c25 68n (10%) c26 1 p1 v ee p23 p24 recout2 lineout2 off b c p21 p22 pbin2 linein2 p12 p11 linein1 pbin1 r12 6.8k (5%) mpx filter r11 3.3k (5%) 2 3 4 5 6 7 8 9 10 11 1 c13 1 c14 100n (10%) mpx off pb mpx on p2 v cc c15 68n (10%) c16 1 p14 p13 lineout1 recout1 c1 10 12 13 14 15 16 17 18 19 20 21 22 application circuit switchable processor with dual power supply (cxa1560s/1561s/1562s) application circuits shown are typical examples illustrating the operation of the devices. sony cannot assume responsibility for any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same. note) resistor and capacitor tolerances are 10% and 20% respectively, unless otherwise specified.
?10 cxa1560s, cxa1561m/s, cxa1562m/s c2 10 c23 1 r21 3.3k (5%) c21 1 r1 20k (2%) c22 1 c12 1 c11 1 r22 6.8k (5%) c24 100n (10%) c25 68n (10%) c26 1 p1 v ee p23 p24 recout2 lineout2 off b c p21 p22 pbin2 linein2 p12 p11 linein1 pbin1 r12 6.8k (5%) mpx filter r11 3.3k (5%) c13 1 c14 100n (10%) mpx off pb mpx on p2 v cc c15 68n (10%) c16 1 p14 p13 lineout1 recout1 c1 10 recout1 mode v cc lineout1 tch1 tcl1 mpxin1 mpxout1 vct pbin1 linein1 nrsw v ee tcl2 recout2 lineout2 tch2 mpxin2 mpxout2 linein2 iref pbin2 cxa1561m/1562m 2 3 4 5 6 7 8 9 10 11 1 12 13 14 15 16 17 18 19 20 21 22 23 24 n.c. n.c. mpx filter switchable processor with dual power supply (cxa1561m/1562m) application circuits shown are typical examples illustrating the operation of the devices. sony cannot assume responsibility for any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same. note) resistor and capacitor tolerances are 10% and 20% respectively, unless otherwise specified.
?11 cxa1560s, cxa1561m/s, cxa1562m/s recout1 mode v cc lineout1 tch1 tcl1 mpxin1 mpxout1 vct pbin1 linein1 nrsw v ee tcl2 recout2 lineout2 tch2 mpxin2 mpxout2 linein2 iref pbin2 c2 47 cxa1560s/1561s/1562s c23 1 r21 3.3k (5%) c21 1 r1 20k (2%) c22 1 c12 1 c11 1 r22 6.8k (5%) mpx filter c24 100n (10%) c25 68n (10%) c26 1 p1 gnd p23 p24 recout2 lineout2 off b c p21 p22 pbin2 linein2 p12 p11 linein1 pbin1 r12 6.8k (5%) mpx filter r11 3.3k (5%) c13 1 c14 100n (10%) mpx off pb mpx on p2 v cc c15 68n (10%) c16 1 p14 p13 lineout1 recout1 c1 10 12 13 14 15 16 17 18 19 20 21 22 2 3 4 5 6 7 8 9 10 11 1 switchable processor with single power supply (cxa1560s/1561s/1562s) application circuits shown are typical examples illustrating the operation of the devices. sony cannot assume responsibility for any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same. note) resistor and capacitor tolerances are 10% and 20% respectively, unless otherwise specified.
?12 cxa1560s, cxa1561m/s, cxa1562m/s recout1 mode v cc lineout1 tch1 tcl1 mpxin1 mpxout1 vct pbin1 linein1 nrsw v ee tcl2 recout2 lineout2 tch2 mpxin2 mpxout2 linein2 iref pbin2 c2 47 cxa1561m/1562m c23 1 r21 3.3k (5%) c21 1 r1 20k (2%) c22 1 c12 1 c11 1 r22 6.8k (5%) mpx filter c24 100n (10%) c25 68n (10%) c26 1 p1 gnd p23 p24 recout2 lineout2 off b c p21 p22 pbin2 linein2 p12 p11 linein1 pbin1 r12 6.8k (5%) r11 3.3k (5%) c13 1 c14 100n (10%) mpx off pb mpx on p2 v cc c15 68n (10%) c16 1 p14 p13 lineout1 recout1 c1 10 n.c. n.c. 12 2 3 4 5 6 7 8 9 10 11 1 13 14 15 16 17 18 19 20 21 22 23 24 mpx filter switchable processor with single power supply (cxa1561m/1562m) application circuits shown are typical examples illustrating the operation of the devices. sony cannot assume responsibility for any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same. note) resistor and capacitor tolerances are 10% and 20% respectively, unless otherwise specified.
?13 cxa1560s, cxa1561m/s, cxa1562m/s application note the cxa1560 series is a stereo dolby b-c type nr ic like the cxa1330 series. built-in spectral skewing circuit allows smaller package. 1) power supply the cxa1560 series is designed to operate on either single or dual power supply. for dual power supply, connect vct to gnd, and v ee to the negative power supply. for single power supply, connect v ee to gnd. vcc/2, generated from the internal circuit, is output to vct. connect a by-pass capacitor between this pin and gnd. the operating voltage range is 3.5 to 8.0v (7.0 to 16v), which satisfies the signal handling of 12db specified by the dolby laboratories. 2) operation mode control the cxa1560 series has built-in electronic switches. the operations are controlled by the dc voltages of nrsw and mode control pins. table 1 shows the switching truth tables. for single power supply, vh, vm, and vl correspond to vcc, vcc/2 and gnd, respectively. for dual power supply, vh, vm and vl correspond to vcc, gnd and v ee , respectively. refer to ?hreshold?on the characteristics graph for the thresholds of the control voltages. nrsw and mode control pins are connected to vct via a 50k resistor, so when the pin is open, vm condition results. table 1 vh vm vl nrsw mode c type mpx on rec (encode) b type mpx off rec (encode) nr off pb (decode) 3) reference level the cxa1560 series dolby level is ?dbm (388mvrms), and is measured at the recording output pin (rec out) in the nr off mode. the reference level of the recording input pin (line in), playback input pin (pb in) and line output pin (line out) are defined as the levels which provide dolby level at the recording output pin in nr off mode. 4) mpx filter the cxa1560 series provides an mpx (fm multiplex) filter on/off function. connect the mpx filter between mpx in and mpx out. in mpx on mode, the line input signal is fed to the nr processor via the mpx buffer amplifier and mpx filter. in mpx off mode, the signal bypasses the buffer amplifier and filter, and is fed directly to the nr processor. the mpx buffer amplifier gain is 10db. the gain from line in to line out is 19db, and from mpx in to line out it is 13db, for a deviation of 6db. this means that if a filter with insertion loss of 4db is used, there is no fluctuation between mpx on and mpx off.
?14 cxa1560s, cxa1561m/s, cxa1562m/s example of representative characteristics quiescent current consumption vs. supply voltage 16 v cc -v ee ?upply voltage [v] 4 6 8 10 12 14 8 10 11 12 13 14 15 i cc ?uiescent current consumptionl [ma] encode mode b type nr off c type current consumption vs. input level 12 input level [db] ?2 ? ? 0 4 8 10 11 12 13 14 15 16 i cc ?urrent consumption [ma] encode mode v cc = 6v 0db = dolby level cf = 10k cf = 1k bf = 10k nr off bf = 1k c type encode characteristics 10k frequency [hz] 100 200 500 1k 2k 5k 0 4 8 12 16 20 24 encode boost [db] v cc = 6v 0db = dolby level 20k ?0db ?0db ?0db ?0db ?0db ?0db 0db b type encode characteristics 10k frequency [hz] 100 200 500 1k 2k 5k 0 2 4 6 8 10 12 encode boost [db] v cc = 6v 0db = dolby level 20k ?0db ?0db ?0db ?0db 0db load characteristics load resistance [ w ] 200 500 1k 2k 5k 10k 4 6 8 10 12 14 16 maximum output level [dbm] encode mode v cc = 6v thd = 1% f = 1khz nr off line out rec out signal handling v cc -v ee ?upply voltage [v] 4 8 10 12 14 16 0 signal handling [db] encode mode f = 1khz thd = 1% 0db = dolby level 10 20 6 a1562 a1561 a1560 nr off c type
?15 cxa1560s, cxa1561m/s, cxa1562m/s nr off total harmonic distortion-1 (cxa1561) output level [db] ? 0.1 distortion [%] encode mode v cc = 6.0v 0db = dolby level 0.01 048121620 f = 100hz f = 1khz f = 10khz nr off total harmonic distortion-2 (cxa1560) output level [db] ? 0.1 distortion [%] encode mode f = 1khz 0db = dolby level 0.01 0 4 8 12 16 20 v cc = 5.5v v cc = 8.0v b type total harmonic distortion-2 (cxa1560) output level [db] ? 0.1 distortion [%] encode mode f = 1khz 0db = dolby level 0.01 0 4 8 12 16 20 v cc = 5.5v v cc = 8.0v b type total harmonic distortion-1 (cxa1561) output level [db] ? 0.1 distortion [%] encode mode v cc = 6.0v 0db = dolby level 0.01 048121620 f = 100hz f = 1khz f = 10khz c type total harmonic distortion-1 (cxa1561 ) output level [db] ? 1.0 distortion [%] encode mode v cc = 6.0v 0db = dolby level 0.1 048121620 0.01 f = 100hz f = 1khz f = 10khz c type total harmonic distortion-2 (cxa1560) output level [db] ? 1.0 distortion [%] encode mode f = 1khz 0db = dolby level 0.1 0 4 8 12 16 20 0.01 v cc = 5.5v v cc = 8.0v
?16 cxa1560s, cxa1561m/s, cxa1562m/s nr off total harmonic distortion-4 (cxa1562) output level [db] ? 0.1 distortion [%] encode mode f = 1khz 0db = dolby level 0.01 04 8121620 v cc = 3.5v v cc = 8.0v nr off total harmonic distortion-3 (cxa1561) output level [db] ? 0.1 distortion [%] encode mode f = 1khz 0db = dolby level 0.01 0 4 8 12 16 20 v cc = 4.0v v cc = 8.0v b type total harmonic distortion-3 (cxa1561) output level [db] ? 0.1 distortion [%] encode mode f = 1khz 0db = dolby level 0.01 0 4 8 12 16 20 v cc = 4.0v v cc = 8.0v c type total harmonic distortion-3 (cxa1561) output level [db] ? 1.0 distortion [%] encode mode f = 1khz 0db = dolby level 0.1 0 4 8 12 16 20 0.01 v cc = 4.0v v cc = 8.0v c type total harmonic distortion-4 (cxa1562) output level [db] ? 1.0 distortion [%] encode mode f = 1khz 0db = dolby level 0.01 04 8121620 v cc = 3.5v v cc = 8.0v b type total harmonic distortion-4 (cxa1562) output level [db] ? 0.1 distortion [%] encode mode f = 1khz 0db = dolby level 0.01 04 8121620 v cc = 3.5v v cc = 8.0v
?17 cxa1560s, cxa1561m/s, cxa1562m/s cross talk frequency [hz] 100 ?0 cross talk [db] v cc = 6v input = +10db refer to dolby level nr off rec ch to ch ?00 ?0 ?0 ?0 ?0 ?0 200 500 1k 2k 5k 10k pb to rec rec to pb pb ch to ch nr control threshold v cc ?upply voltage [v] 4 14 v cn ?r control voltage [v] 2 12 10 8 6 4 6 8 10 12 14 16 0 nr off b type c type v cc v cc 2 mode control threshold v cc ?upply voltage [v] 4 14 v cm ?ode control voltage [v] 2 12 10 8 6 4 6 8 10 12 14 16 0 pb mpx off mpx on v cc v cc 2
?18 cxa1560s, cxa1561m/s, cxa1562m/s package outline unit: mm cxa1561m, cxa1562m cxa1560s, CXA1561S, cxa1562s sony code eiaj code jedec code m package structure molding compound lead treatment lead material package weight epoxy/phenol resin solder plating copper alloy / 42alloy 24pin sop (plastic) 15.0 ?0.1 + 0.4 112 13 24 1.27 0.45 0.1 5.3 ?0.1 + 0.3 7.9 0.4 0.2 ?0.05 + 0.1 0.5 0.2 0.1 ?0.05 + 0.2 0.15 1.85 ?0.15 + 0.4 6.9 0.12 sop-24p-l01 * sop024-p-0300-a 0.3g sony code eiaj code jedec code package structure molding compound lead treatment lead material package weight epoxy resin solder plating copper alloy 22pin sdip (plastic) sdip-22p-01 sdip022-p-0300 0.95g 1.778 11 12 1 22 19.2 ?0.1 + 0.4 7.62 6.4 ?0.1 + 0.3 0.25 ?0.05 + 0.1 0?to 15 0.5 0.1 0.9 ?0.1 + 0.15 3.25 ?0.2 + 0.15 0.51 min 3.9 ?0.1 + 0.4

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