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HA12179F audio signal processer for car deck and cassette deck (dolby b-type nr with pb amp) ade-207-136 1st edition apr. 1994 description HA12179F is silicon monolithic bipolar ic providing dolby noise reduction system*, line mute, music sensor and pb equalizer system in one chip. functions ? line mute 2 channel ? pb equalizer 2 channel ? dolby b-nr 2 channel ? music sensor 1 channel features ? different type of pb equalizer characteristics selection (normal/chrome or metal) is available with fully electronic control switching built-in. ? line mute on/off is available. ? changeable to foward, reverse-mode for pb head with fully electronic control switching built-in. ? available to change music sensing level by external resistor. ? music sensing level selection is available with fully electronic control switching built-in. ? available to change frequency response of music sensor. ? nr-on/off and rec/pb fully electronic control switching built-in. ? pin compatible of ha12163 series except for 4 and 39 pins. * dolby is a trademark of dolby laboratories licensing corporation. a license from dolby laboratories licensing corporation is required for the use of this ic.
HA12179F rev.1, apr. 1994, page 2 of 40 ordering information package pb-out level rec out level dolby level HA12179F qfp 56 387.5 mvrms 300 mvrms 300 mvrms pb-out level above shown is typical value when adjusting dolby level at rec-out with nr-off mode.
HA12179F rev.1, apr. 1994, page 3 of 40 block diagram eqout (l) 120/70 ?+ f/r vrer (l) gnd gnd vref (r) f/r ?+ 120/70 bias mute lineout (r) pbout (r) recout (r) nr on/off rec/pb mute on/off 120 /70 f/r ms gv msout d gnd v cc msv cc det v cc + ms gnd noi ffi ms vref recout (l) dolby b-nr lpf dolby b-nr ? + 1 1 1234567891011121314 15 16 17 18 19 20 21 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 52 53 54 55 56 eqout (r) ms amp. ff no line out (l) pb out (l) mute rip to microcomputer ? + +
HA12179F rev.1, apr. 1994, page 4 of 40 pin discription (v cc = 9 v single supply, ta = 25c, no signal, the value in the table show typical value.) pin no. terminal name zin dc voltage equivalent circuit description 2 tai 100 k ? v cc /2 tape input 41 v cc /2 5mui mute circuit input 38 25 msi music sensor rectifier input 10 nr det ? 2.5 v time constant pin for rectifier 33 3 bias ? 0.28 v gnd reference current input 24 ms det ? v cc gnd time constant pin for rectifier 40 rip ? v cc /2 ripple filter
HA12179F rev.1, apr. 1994, page 5 of 40 pin discription (v cc = 9 v single supply, ta = 25c, no signal, the value in the table show typical value.) (cont) pin no. terminal name zin dc voltage equivalent circuit description 43 eq out ? v cc /2 equalizer output 56 v cc gnd 6 pb out play back 37 (decode) output 30 ms v ref reference voltage buffer output 26 ma out music sensor amp. output 47 v ref reference 52 voltage buffer output 12 rec out recording 31 (encode) output 4 line out mute circuit 39 output 44 eq out-m ? v cc /2 v cc gnd equalizer output (metal) 55
HA12179F rev.1, apr. 1994, page 6 of 40 pin discription (v cc = 9 v single supply, ta = 25c, no signal, the value in the table show typical value.) (cont) pin no. terminal name zin dc voltage equivalent circuit description 21 ms out ? ? ms v cc d gnd music sensor output to mpu 22 v cc ?v cc ? power supply 23 ms v cc 20 d gnd ? 0.0 v ? digital (logic) ground 27 ms gnd music sensor ground 49 gnd ground 50 48 fin ? v cc /2 pb-eq input for 51 forward 46 rin pb-eq input for 53 reverse 45 nfi negative 54 feedback terminal of pb- eq amp. 28 noi negative feedback input for normal speed 29 ffi negative feedback input for ff or rew
HA12179F rev.1, apr. 1994, page 7 of 40 pin discription (v cc = 9 v single supply, ta = 25c, no signal, the value in the table show typical value.) (cont) pin no. terminal name zin dc voltage equivalent circuit description 14 on/off 122 k ? ? d gnd gnd 100k 22k mode control input 15 rec/pb 16 mute 17 120 /70 18 f/r 19 ms gv 1nc no connection 7 8 9 11 13 32 34 35 36 42 absolute maximum ratings item symbol ratings unit note supply voltage v cc max 16 v power dissipation p t 400 mw ta 85 c operating temperature topr ?40 to +85 c storage temperature tstg ?55 to +125 c note: operating voltage range is v cc = 6.8 to 16.0 v
HA12179F rev.1, apr. 1994, page 8 of 40 electrical characteristics (ta = 25 c dolby level 300 mvrms, v cc = 9.0 v) item symbol min typ max unit test conditions remark quiescent current i q 6.5 12.0 17.5 ma pb mode, nr-on, 70, mute-off no signal input amp. gain gvia tai 21.2 22.2 23.2 db vin = 0 db, f = 1 khz b-type encode enc-2 k (1) 2.8 4.3 5.8 db vin = -20 db, f = 2 khz boost enc-2 k (2) 7.0 8.5 10.0 vin = -30 db, f = 2 khz enc-5 k (1) 1.7 3.2 4.7 vin = -20 db, f = 5 khz enc-5 k (2) 6.7 8.2 9.7 vin = -30 db, f = 5 khz signal handling v o max 12.0 13.0 ? db thd = 1%, f = 1 khz *1 signal to noise ratio s/n 64.0 70.0 ? db rg = 5.1 k ? , ccir/arm thd thd ? 0.05 0.3 % vin = 0 db, f = 1 khz channel ct rl (1) 65.0 80.0 ? db vin = 0 db, f = 1 khz tai in separation ct rl (2) 50.0 60.0 ? vin = 0.6 mvrms, f = 1 khz eq in mute attenuation mute att 70.0 85.0 ? vin = 0 db, f = 1 khz tai in pb-eq gain gv eq 1 k 37.0 40.0 43.0 db vin = 0.6 mvrms, f = 1 khz 120 gv eq 10 k (1) 33.0 36.0 39.0 vin = 0.6 mvrms, f = 10 khz gv eq 10 k (2) 29.0 32.0 35.0 70 pb-eq maximum output vom 300 600 ? mvrms thd = 1%, f = 1 khz *1 pb-eq thd thd-eq ? 0.05 0.3 % vin = 0.6 mvrms, f = 1 khz noise voltage level converted in input v n ? 0.7 1.5 vrms rg = 680 ? din-audio ms sensing level v on (1) ?36.0 ?32.0 ?28.0 db f = 5 khz, normal speed v on (2) ?18.0 ?14.0 ?10.0 f = 5 khz, high speed ms output low level v ol ?1.01.5v ms output leak current i oh ?0.02.0a control voltage v il ?0.2 ? 1.0 v v ih 3.5 ? 5.3 note: 1 v cc = 6.8 v
HA12179F rev.1, apr. 1994, page 9 of 40 test circuit tai (l) eqir (l) eqif (l) sw25 c27 22 r41 680 c26 22 r40 680 r39 180 r38 330 k c25 0.01 r36 12 k r35 5.1 k c24 0.1 sw27 r33 5.1 k r34 5.1 k + + + c23 0.47 c22 1 c19 2.2 c35 0.1 c17 0.1 c15 2.2 c28 4700p r26 33 k r25 47 k r27 330 k recout (l) lineout (l) eqout (l) sw23 lr sw24 off on recout (l) lineout (l) eqout (l) sw22 sw21 + + r24 330 k c13 0.33 dc vm1 dc source1 (v cc ) a gnd c29 100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 43 44 45 46 47 48 49 56 55 54 53 52 51 50 dc source2 d gnd msout recout (r) lineout (r) eqout (r) sw18 recout (r) lineout (r) eqout (r) rl sw19 sw20 r15 10 k r14 10 k r10 5.1 k ac vm1 audio sg sw17 on off sw15 lr sw16 eqif (r) eqir (r) tai (r) + c1 22 r1 680 c2 22 r2 680 r3 180 r5 330 k c3 0.01 r6 18 k r7 12 k r8 5.1 k r9 5.1 k c5 0.47 c4 0.1 sw26 + + r11 18 k c8 2.2 c34 0.1 c10 0.1 + c12 2.2 c32 22 c33 1 ++ sw6 sw5 sw4 sw3 sw2 sw1 r23 3.9 k noise meter oscillo scope distortion analyzer ac vm2 HA12179F (pb 1 chip) gnd fin (l) vref (l) rin (l) nfi (l) eq out-m (l) eq out (l) n.c. tai (l) rip line out (l) mui (l) pb out (l) n.c. n.c. n.c. nr det (l) n.c. rec out (l) ms vrfe ffi noi ms gnd ma out msi ms det ms v cc v cc gnd fin (r) vref (r) rin (r) nfi (r) eq out-m (r) eq out (r) n.c. tai (r) bias line out (r) mui (r) pb out (r) n.c. n.c. n.c. nr det (r) n.c. rec out (r) on/ off rec/ pb mute 120 / 70 f/r ms gv n.c. d gvd ms out qfp-56 noise meter with ccir/arm filter and din-audio filter note: 1. resistor tolerance are ?% 2. capacitor tolerance are ?% 3. unit r: ? c: f note: the capacitor (29) should be connected. it's recommended to be connected close to the ic. + + r30 10 k r29 10 k r28 18 k c14 0.01 r17 22k r19 10 k r37 18 k + + off on mute off mute on for rev ser rep 120 70 pb rec
HA12179F rev.1, apr. 1994, page 10 of 40 application note power supply range table 1 supply voltage HA12179F single supply 6.8 v to 16.0 v HA12179F is designed to operate on single supply. please consult to hitachi sales engineers when it will use the split supply. 1. the lower limit of supply voltage depends on the line output reference level. the minimum value of the overload margin is specified as 12 db by dolby laboratories. 2. in the reverse-voltage conditions such as 'd-gnd is higher than vcc' or 'd-gnd is lower than gnd', excessive current flows into the d-gnd to destroy this ic. to prevent such destruction, pay attention to the followings on using.therefore, short-circuit the d-gnd and gnd directory on the board mounting this ic. reference voltage for the single supply operation this device provides the reference voltage of half the supply voltage that is the signal grounds. as the peculiarity of these devices, the capacitor for the ripple filter is very small about 1/100 compared with their usual value. the reference voltage are provided for the left channel and the right channel separately. the block diagram is shown as figure 1. 22 49 50 40 v cc gnd rip + c22 1 52 30 47 vref (l) l channel reference ms vref music sensor reference r channel reference vref (r) + ? + ? + ? figure 1 the block diagram of reference voltage supply
HA12179F rev.1, apr. 1994, page 11 of 40 operating mode control HA12179F provides electronic switching circuits. and each operating mode control are controlled by parallel data (dc voltage). table 2 threshold voltage (v th ) pin no. lo hi unit test condition 14 15 16 17 18 19 ?0.2 to 1.0 3.5 to 5.3 v input pin measure v table 3 switching truth table pin no. lo hi 14 nr-off nr-on 15 pb rec 16 mute-off mute-on 17 120 (normal) 70 (metal or chrome) 18 forward reverse 19 ser (ff or rev) rep (normal speed) notes: 1. each pins are on pulled down with 100 k ? internal resistor. therefore, it will be low-level when each pins are open. 2. over shoot level and under shoot level of input signal must be the standardized (high: 5.3 v, low: ?0.2 v) 3. reducing pop noise is so much better for 10 k ? to 22 k ? resistor and 1 f to 22 f capacitor shown fig 2. but the resistor connected to mute terminal (pin 16) should be under 10 k ? . input pin 10 to 22k ? mpu 1 to 22 f + figure 2 interface for reduction of pop noise
HA12179F rev.1, apr. 1994, page 12 of 40 input block diagram and level diagram r34 5.1k r35 5.1k r36 12k r38 330k r39 180 c25 0.01 r37 18k eq out-m eq amp. nfi rin vref fin 0.6mvrms ( ? 62.2dbs) eq out tai 30mvrms ( ? 28.2dbs) ? + + ? input amp c24 0.1 HA12179F : 387.5mvrms ( ? 6.0dbs) pbout recout 300mvrms ( ? 8.2dbs) nr circuit note: the each level shown above is typical value when offering pbout level to pbout pin. (eq amp.) gv = 40 db, f = 1 khz figure 3 input block diagram adjustment of playback dolby level after replace r34 and r35 with a half-fix volume of 10 k ? , adjust recout level to be dolby level with playback mode. note on connecting with tape head to ic this ic has no internal resistor to give the dc bias current to equalizer amp., therefore the dc bias current will give through the head. this ic provides the vref buffer output pin for rch and lch separately (has two vref terminal). in case of use that the rch and lch reference of head are connected commonly, please use one of vref terminals of ic (47 pin or 52 pin) for head reference. if both 47 pin and 52 pin of ic are connected, rush current give the great damage to ic. the application circuit is shown in figure 4.
HA12179F rev.1, apr. 1994, page 13 of 40 43 44 45 46 47 48 49 50 51 52 53 54 55 56 r/f v ref (l) gnd gnd v ref (r) r/f ? + ? + figure 4 application circuit
HA12179F rev.1, apr. 1994, page 14 of 40 the sensitivity adjustment of music sensor adjusting ms amp. gain by external resistor, the sensitivity of music sensor can set up. 1 1 tai (l) ? 6db tai (r) 26db l r signal addition circuit + ? lpf ? + ms vref ffi noi ma out msi ms det 25khz ms amp. 100k det ms out d gnd d gnd r l r28 r27 r26 r25 c14 0.01 + c13 0.33 v cc d v cc microcomptuter c28 4700p r24 330k i l figure 5 music sensor block diagram gv1 gv2 f 1 f 2 gv [db] 10 100 1k 10k 25k 100k f 3 f 4 normal speed ff or rev f [hz] figure 6 frequency responce
HA12179F rev.1, apr. 1994, page 15 of 40 ? normal mode gv1 = 20 log 1 + r27 r28 ? ? ? ? ? ? [db] f1 = 1 2 ? ? c14 ? 100 k [hz], f2 = 25 k[hz] ? ff or rew mode gv 2 = 20 log 1 + r25 r26 ? ? ? ? ? ? [db] f3 = 1 2 ?? c28 ? r26 [hz], f4 = 25k [hz] a standard level of tai pin is 30 mvrms and the gain for tai to ms amp input is 10times, therefore, the other channel sensitivity of music sensor (s) is computed by the formula mentioned below. s = 20 log c 30 ? 1 10 ? a ? ? ? ? ? ? [db] a = ms amp. gain (b db) c = the sensing level of music sensor s = ?7.3 ? b[db] c = 130 mvrms (typ.) s is 6 db up in case of the both channels. music sensor time constant ? sensing no signal to signal (attack) is determind by c13. 0.01 f to 1 f capacitor c13 can be applicable. ? sensing signal to no signal (recovery) is determind by c13 and r24, however preceding (attack), 100 k ? to 1 m ? r24 can be applicable. music sensor output (ms out) as for the internal circuit of music sensor block, music sensor out pin is connected to the collector of npn type directly, therefore, output level will be ?high? when sensing no signal. and output level will be ?low? when sensing signal. connection with microcomputer, design i l at 1ma typ. i l = dv cc ? msout lo * r l * msout lo : sensing signal (about 1 v) notes: 1. supply voltage of ms out pin must be less than v cc voltage. 2. ms v cc pin and v cc pin are required the same voltage.
HA12179F rev.1, apr. 1994, page 16 of 40 the tolerances of external components for dolby nr-block for adequate dolby nr tracking response, take external components shown below. 37 36 35 34 33 678910 3 bias r11 18k ?% pbout (r) nc nc nc nr det (r) c10 0.1 ?0% c17 0.1 ?0% pbout (l) nc nc nc nr det (l) HA12179F (pb1 chip) figure 7 tolerances of external components
HA12179F rev.1, apr. 1994, page 17 of 40 pb equalizer for double speed pb equalizer can be design for double speed by using external components shown in figure 8. application data is shown in figure 9. r35 5.1k 4.7 no do r 0.015 22k vr1 0.1 + + ? + ? eq out tai pbout r38 330k r36 12k r37 18k c25 0.01 eq out-m eq amp. nfi rin vref fin input amp. nr circuit recout no : normal speed do : double speed note : please adjust recout level to be dolby level with volume of vr1. + figure 8 application circuit for double speed
HA12179F rev.1, apr. 1994, page 18 of 40 60 50 40 30 20 10 20 100 1k 10k 100k frequency (hz) gv (db) note : output = taipin 120 70 r=2.7k r=2.2k r=1.8k r=1.3k no : normal speed do : double speed figure 9 application data
HA12179F rev.1, apr. 1994, page 19 of 40 quiescent current vs. supply voltage characteristics (1) 14 13 12 11 10 6 8 10 12 14 16 supply voltage (v) quiescent current i q (ma) 120 nr off nr on 70 nr off nr on pbmode mute-off quiescent current vs. supply voltage characteristics (2) 14 13 12 11 10 6 8 10 12 14 16 supply voltage (v) quiescent current i q (ma) 120 nr off nr on 70 nr off nr on pbmode mute-on
HA12179F rev.1, apr. 1994, page 20 of 40 30 26 24 22 20 18 16 14 12 10 10 100 1 k 10 k 100 k 1 m frequency (hz) gain (db) gain vs. frequency characteristics (pbmode) v =9 v nr-off cc taiin lineout taiin recout 28 30 26 24 22 20 18 16 14 12 10 10 100 1 k 10 k 100 k 1 m frequency (hz) gain (db) gain vs. frequency characteristics (recmode) v =9 v nr-off cc taiin lineout taiin recout 28
HA12179F rev.1, apr. 1994, page 21 of 40 10.8 9.6 8.4 7.2 6.0 4.8 3.6 2.4 1.2 0 ? 1.2 100 200 500 1k 2k 5k 10k 20k encode boost (db) v in = ? 40 db ? 20 db ? 10 db 0 db frequency (hz) encode boost vs. frequency characteristics (v cc = 6.8v,9v,16v) 6.8 v,9 v 16 v ? 30 db 1.2 0 ? 1.2 ? 2.4 ? 3.6 ? 4.8 ? 6.0 ? 7.2 ? 8.4 ? 9.6 ? 10.8 100 200 500 1k 2k 5k 10k 20k frequency (hz) decode cut (db) decode cut vs. frequency characteristics (v cc =6.8v,9v,16v) v in =0 db ? 10 db ? 20 db ? 30 db ? 40 db 6.8 v,9 v 16 v
HA12179F rev.1, apr. 1994, page 22 of 40 25 20 15 10 6 8 10 12 14 16 supply voltage v cc (v) maximum output level vomax (db) nr-off nr-on f=1 khz maximum output level vs. supply voltage characteristics (1) pb mode taiin lineout nr-off nr-on f=1 khz 25 20 15 10 6 8 10 12 14 16 supply voltage (v) maximum output level vomax (db) maximum output level vs. supply voltage characteristics (2) rec mode taiin recout
HA12179F rev.1, apr. 1994, page 23 of 40 90 80 70 60 6 8 10 12 14 16 signal to noise ratio (db) signal to noise ratio vs. supply voltage characteristics supply voltage (v) 0 db = 300mvrms (recmode, recout) 0 db = 387.5mvrms (pbmode, lineout) ccir/arm filter pb nr-on rec nr-off pb nr-off rec nr-on 1.0 0.5 0.2 0.1 0.05 0.02 0.01 6 8 10 12 14 16 supply voltage v cc (v) tai rec mode nr-on v in = 0 db recout total harmonic distortion t.h.d. (%) total harmonic distortion vs. supply voltage characteristics (1) f=100 hz f=1 khz f=10 khz
HA12179F rev.1, apr. 1994, page 24 of 40 1.0 0.5 0.2 0.1 0.05 0.02 0.01 6 8 10 12 14 16 supply voltage v cc (v) f=100 hz f=1 khz f=10 khz tai rec mode nr-off v in = 0 db recout total harmonic distortion t.h.d. (%) total harmonic distortion vs. supply voltage characteristics (2) 1.0 0.5 0.2 0.1 0.05 0.02 0.01 6 8 10 12 14 16 supply voltage v cc (v) f=100 hz f=1 khz f=10 khz total harmonic distortion t.h.d. (%) total harmonic distortion vs. supply voltage characteristics (3) tai pb mode nr-on v in = 0 db lineout
HA12179F rev.1, apr. 1994, page 25 of 40 1.0 0.5 0.2 0.1 0.05 0.02 0.01 6 8 10 12 14 16 supply voltage v cc (v) f=100 hz f=1 khz f=10 khz total harmonic distortion t.h.d. (%) total harmonic distortion vs. supply voltage characteristics (4) tai pb mode nr-off v in = 0 db lineout 10 5.0 2.0 1.0 0.5 0.2 0.1 0.05 0.02 0.01 ? 15 ? 10 ? 50 5101520 total harmonic distortion vs. output level characteristics (1) total harmonic distortion t.h.d. (%) output level v (db) out rec mode nr-on v cc = 9 v tai rec mode 100 hz 1 khz 10 khz
HA12179F rev.1, apr. 1994, page 26 of 40 10 5.0 2.0 1.0 0.5 0.2 0.1 0.05 0.02 0.01 ? 15 ? 10 ? 5 0 5 101520 total harmonic distortion vs. output level characteristics (2) total harmonic distortion t.h.d. (%) output level v (db) out v cc = 9 v tai recout rec mode nr-off f = 100 hz f = 1 khz f = 10 khz 10 5.0 2.0 1.0 0.5 0.2 0.1 0.05 0.02 0.01 ? 15 ? 10 ? 50 5101520 total harmonic distortion t.h.d. (%) output level v out (db) v cc = 9 v tai lineout pb mode nr-on f = 100 hz f = 1 khz f = 10 khz total harmonic distortion vs. output level characteristics (3)
HA12179F rev.1, apr. 1994, page 27 of 40 10 5.0 2.0 1.0 0.5 0.2 0.1 0.05 0.02 0.01 ? 15 ? 10 ? 50 5101520 total harmonic distortion t.h.d. (%) total harmonic distortion vs. output level characteristics (4) output level v (db) out v cc = 9 v tai lineout pb mode nr-off f = 100 hz f = 1 khz f = 10 khz
HA12179F rev.1, apr. 1994, page 28 of 40 0.5 0.2 0.1 0.02 0.05 0.01 50 100 300 1 k 3 k 10 k 30 k frequency (hz) total harmonic distortion t.h.d. (%) total harmonic distortion vs. frequency characteristics (1) v =9 v tai recout recmode nr-on cc ? 10 db 0 db +10 db audio band pass 400 hz high pass + 80 khz low pass 0.5 0.2 0.1 0.02 0.05 0.01 50 100 300 1 k 3 k 10 k 30 k frequency (hz) total harmonic distortion t.h.d. (%) total harmonic distortion vs. frequency characteristics (2) v =9 v tai recout recmode nr-off cc ? 10 db 0 db +10 db audio band pass 400 hz high pass + 80 khz low pass
HA12179F rev.1, apr. 1994, page 29 of 40 0.5 0.2 0.1 0.02 0.05 0.01 50 100 300 1 k 3 k 10 k 30 k frequency (hz) total harmonic distortion t.h.d. (%) total harmonic distortion vs. frequency characteristics (3) v =9 v tai lineout pbmode nr-on cc ? 10 db 0 db +10 db audio band pass 400 hz high pass + 80 khz low pass 0.5 0.2 0.1 0.02 0.05 0.01 50 100 300 1 k 3 k 10 k 30 k frequency (hz) total harmonic distortion t.h.d. (%) total harmonic distortion vs. frequency characteristics (4) v =9 v tai lineout pbmode nr-off cc ? 10 db 0 db +10 db audio band pass 400 hz high pass + 80 khz low pass
HA12179F rev.1, apr. 1994, page 30 of 40 ? 20 ? 40 ? 60 ? 80 ? 100 ? 120 10 1 k 10 k 100 k frequency (hz) channel separation (db) channel separation vs. frequency characteristics (1) cc v =9 v pbmode taiin lch rch recout nr-off recout nr-on ? 20 ? 40 ? 60 ? 80 ? 100 ? 120 10 1 k 10 k 100 k frequency (hz) channel separation (db) channel separation vs. frequency characteristics (2) cc v =9 v pbmode taiin lch rch lineout nr-off lineout nr-on
HA12179F rev.1, apr. 1994, page 31 of 40 ? 20 ? 40 ? 60 ? 80 ? 100 ? 120 10 1 k 10 k 100 k frequency (hz) channel separation (db) channel separation vs. frequency characteristics (3) cc v =9 v pbmode eqin lch rch lineout nr-off lineout nr-on ? 20 ? 40 ? 60 ? 80 ? 100 ? 120 10 1 k 10 k 100 k frequency (hz) channel separation (db) channel separation vs. frequency characteristics (4) cc v =9 v pbmode eqin rch lch lineout nr-off lineout nr-on
HA12179F rev.1, apr. 1994, page 32 of 40 nr-off nr-on line out line out ? 20 ? 40 ? 60 ? 80 ? 100 ? 120 crosstalk (db) 100 1 k 10 k 100 k v cc = 9 v pb mode crosstalk vs. frequency characteristics (1) frequency (hz) forward reverse nr-off nr-on line out line out ? 20 ? 40 ? 60 ? 80 ? 100 ? 120 crosstalk (db) 100 1 k 10 k 100 k v cc = 9 v pb mode crosstalk vs. frequency characteristics (2) frequency (hz) reverse forward
HA12179F rev.1, apr. 1994, page 33 of 40 mute attenuation vs. frequency characteristics 0 ? 20 ? 40 ? 60 ? 80 ? 100 20 100 1 k 10 k 100 k v cc = 9 v tai in lineout pb mode mute aftenuation (db) frequency (hz) ripple rejection ratio vs. frequency characteristics (1) 0 ? 20 ? 40 ? 60 ? 80 20 100 1 k 10 k 100 k frequency (hz) pbout, nr-on eqout v cc = 9 v pb mode ripple rejection ratio r.r.r. (db) pbout, no-off
HA12179F rev.1, apr. 1994, page 34 of 40 ripple rejection ratio vs. frequency characteristics (2) 0 ? 20 ? 40 ? 60 ? 80 20 100 1 k 10 k 100 k frequency (hz) recout, nr-on recout, nr-off v cc = 9 v rec mode ripple rejection ration r.r.r. (db) eq-amp. gain vs. frequency characteristics 20 frequency (hz) 50 100 200 500 1 k 2 k 5 k 10 k 20 k 50 k 100 k 20 30 40 50 60 70 gain (db) 120 70 v = 9 v cc
HA12179F rev.1, apr. 1994, page 35 of 40 40 35 30 25 6 8 10 12 14 16 supply voltage (v) maximum output voltage vo max (db) eqout maximum output level vs. supply voltage eqin eqout 0 db = 60 mvrms (eqout) f = 1 khz t.h.d. = 1 % : nr-off normal (120 ) : nr-off metal (70 ) : nr-on normal (120 ) : nr-on metal (70 ) 65 60 55 50 6 8 10 12 14 16 18 supply voltage (v) signal to noise ratio s/n (db) f = 1 khz din-audio eqin lineout : nr-on (120 ) : nr-on (70 ) : nr-off (120 ) : nr-off (70 ) signal to noise ratio vs. supply voltage
HA12179F rev.1, apr. 1994, page 36 of 40 1.0 0.5 0.1 0.05 0.01 6 8 10 14 16 12 nr-off nr-on nr-off nr-on 120 120 70 70 eq in v in = +6 db lineout supply voltage v cc (v) total harmonic distortion t.h.d. (%) total harmonic distortion vs. supply voltage characteristics total harmonic distortion vs. output level characteristics 10 5.0 2.0 1.0 0.5 0.2 0.1 0.05 0.02 0.01 ? 15 ? 10 ? 50 5101520 total harmonic distortion t.h.d. (%) output level (db) nr-off nr-on nr-off nr-on 120 120 70 70 v cc = 9 v eqin lineout f = 1 khz
HA12179F rev.1, apr. 1994, page 37 of 40 ms-amp. gain vs. frequency 35 10 20 40 60 100 200 400 600 1 k 2 k 4 k 6 k 10 k 20 k 40 k 60 k 100 k v = 9v cc msi measure frequency (hz) gain (db) 25 15 5 45 repeat maout measure search ms sensing level vs. frequency +10 0 ? 10 ? 30 ? 40 ? 50 30 100 300 1 k 3 k 10 k 30 k 100 k frequency (hz) ms sensing level (db) search repeat high low low high (non-music to music) (music to non-music) cc ? 20 v = 9 v 1 channel input 0 db = 387.5 mv at pbout
HA12179F rev.1, apr. 1994, page 38 of 40 signal sensing time vs. capacitance (music sensor) 1000 200 500 100 20 50 10 2 5 1.0 0.2 0.5 0.005 0.01 0.02 0.05 0.1 0.2 0.5 1 pbout msout ta tr 24 v cc 22 msdet r24 c13 330 k tr ta capacitance c13 (f) signal sensing time (ms) 0 db ? 20 db v = 9 v f = 5 khz taiin repeat cc + signal sensing time vs. resistance (music sensor) 1000 200 500 100 20 50 10 5 3 20 k 50 k 100 k 200 k 500 k 1 m 2 m resistance r24 ( ) ? signal sensing time (ms) pbout msout ta tr 24 v cc 22 msdet r24 c13 0.33 + tr ta v = 9 v f = 5 khz tai repeat cc 0 db ? 20 db recomended value of r24 is 100k to 1m ??
HA12179F rev.1, apr. 1994, page 39 of 40 package dimensions unit: mm hitachi code jedec code eiaj code weight fp-56 0.13 m 0? ?5? 12.8 ?0.3 10.0 0.3 ?0.10 0.65 0.15 ?0.05 2.54 max 0.1 12.8 ?0.3 42 29 43 1 14 15 28 56 0.10 1.40
HA12179F rev.1, apr. 1994, page 40 of 40 disclaimer 1. hitachi neither warrants nor grants licenses of any rights of hitachi?s or any third party?s patent, copyright, trademark, or other intellectual property rights for information contained in this document. hitachi bears no responsibility for problems that may arise with third party?s rights, including intellectual property rights, in connection with use of the information contained in this document. 2. products and product specifications may be subject to change without notice. confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. hitachi makes every attempt to ensure that its products are of high quality and reliability. however, contact hitachi?s sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. design your application so that the product is used within the ranges guaranteed by hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as fail- safes, so that the equipment incorporating hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the hitachi product. 5. this product is not designed to be radiation resistant. 6. no one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from hitachi. 7. contact hitachi?s sales office for any questions regarding this document or hitachi semiconductor products. sales offices hitachi, ltd. semiconductor & integrated circuits. nippon bldg., 2-6-2, ohte-machi, chiyoda-ku, tokyo 100-0004, japan tel: tokyo (03) 3270-2111 fax: (03) 3270-5109 copyright ? hitachi, ltd., 2000. all rights reserved. printed in japan. hitachi asia ltd. hitachi tower 16 collyer quay #20-00, singapore 049318 tel : <65>-538-6533/538-8577 fax : <65>-538-6933/538-3877 url : http://www.hitachi.com.sg url northamerica : http://semiconductor.hitachi.com/ europe : http://www.hitachi-eu.com/hel/ecg asia : http://sicapac.hitachi-asia.com japan : http://www.hitachi.co.jp/sicd/indx.htm hitachi asia ltd. (taipei branch office) 4/f, no. 167, tun hwa north road, hung-kuo building, taipei (105), taiwan tel : <886>-(2)-2718-3666 fax : <886>-(2)-2718-8180 telex : 23222 has-tp url : http://www.hitachi.com.tw hitachi asia (hong kong) ltd. group iii (electronic components) 7/f., north tower, world finance centre, harbour city, canton road tsim sha tsui, kowloon, hong kong tel : <852>-(2)-735-9218 fax : <852>-(2)-730-0281 url : http://www.hitachi.com.hk hitachi europe ltd. electronic components group. whitebrook park lower cookham road maidenhead berkshire sl6 8ya, united kingdom tel: <44> (1628) 585000 fax: <44> (1628) 585160 hitachi europe gmbh electronic components group dornacher stra e 3 d-85622 feldkirchen, munich germany tel: <49> (89) 9 9180-0 fax: <49> (89) 9 29 30 00 hitachi semiconductor (america) inc. 179 east tasman drive, san jose,ca 95134 tel: <1> (408) 433-1990 fax: <1>(408) 433-0223 for further information write to: colophon 2.0

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