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specifications of any and all sanyo semiconductor co.,l td. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer ' s products or equipment. to verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer ' sproductsor equipment. any and all sanyo semiconductor co.,ltd. products described or contained herein are, with regard to "standard application", intended for the use as general el ectronics equipment (home appliances, av equipment, communication device, office equipment, industrial equ ipment etc.). the products mentioned herein shall not be intended for use for any "special application" (medica l equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, t ransportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of re liability and can directly threaten human lives in case of failure or malfunction of the product or may cause har m to human bodies, nor shall they grant any guarantee thereof. if you should intend to use our products for app lications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. if there is n o consultation or inquiry before the intended use, our customer shall be solely responsible for the use. 40507 ms pc b8-7419 no.a0644-1/20 LA72670BM overview the LA72670BM is a hifi sound signal processor with a built-in us multiplex modulation for vcr. functions ? us multiplex modulation ? hifi sound signal processor specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum power supply voltage 1 v cc h max 9.6 v maximum power supply voltage 2 v cc l max 6v always power supply voltage v cc a max 6v allowable power dissipation pd max ta=70 c * 1300 mw operating ambient temperature topr -10 to +70 c storage ambient temperature tstg -55 to +150 c * on board: 114.3mm 76.1mm 1.6mm, glass epoxy board. monolithic linear ic us multiplex modulation for vcr hifi sound signal processor orderin g numbe r : ena0644
LA72670BM no.a0644-2/20 operating conditions at ta = 25 c parameter symbol conditions ratings unit recommended operating voltage 1 v cc h 9v recommended operating voltage 2 v cc l 5v recommended always voltage v cc a 5v allowable operating voltage 1 v cc h op1 8.5 to 9.5 v allowable operating voltage 2 v cc l op2 4.8 to 5.3 v allowable operating always voltage v cc a op3 4.5 to 5.5 v electrical characteristics at ta = 25 c, v cc h=9v, v cc l=5v, v cc a=5v ratings parameter symbol conditions min typ max unit current dissipation rec&ee 9v i cc r1 no signal, inflow current at pin 3/54 g1d8d7:00 57 65 ma current dissipation ee 5v i cc e1 no signal, inflow current at pin 15/32/36/46 g1d8d7:00 72 84 ma current dissipation rec 5v i cc r2 no signal, inflow current at pin 15/32/36/46 g1d8d7:00, g1d4:1 100 115 ma current dissipation pb 9v i cc p1 no signal, inflow current at pin 3/54 g1d8d7:01 11 13 ma current dissipation pb 5v i cc p2 no signal, inflow current at pin 15/32/36/46 g1d8d7:01 85 97 ma current dissipation always power supply i cc al no signal, inflow current at pin 5, mute h at pin 49 1.6 2 ma [ee through] (line in (ext1,2,3) to line out), ee mode, f=1khz, l/r-ch output level 1 v o 1 v in =-28.2dbv, gain1 (g3 d4:0) -7.5 -9 -10.5 dbv output level 2 v o 2 v in =-28.2dbv, gain2 (g3 d4:1) -6.5 -8 -9.5 dbv output distortion thd v in =-28.2dbv, gain1, 2 0.05 0.15 % channel gain difference ? v o v in =-28.2dbv, gain1, 2 -1 0 1 db maximum output level v o m thd=1%, gain1, 2 7 8.5 dbv output noise level vno rg=1k ? , jis-a filter, gain1 -89 -85 dbv mute attenuation value mu v in =-18.2dbv -91 -80 db input switch cross-talk ct v in =-18.2dbv -75 -68 db [normal output] (line in(ext1/2/3) to no rmal out(pin 6)), ee mode, f=1khz,g1d8d7:00 output level for normal v o nor v in =-28.2dbv -22 -21 -20 dbv [bs through] (bs, in to line out), f=1khz, g2d6:1 output level v o th v in =-21.2dbv, gain1 (g3d4:0) -10.5 -9 -7.5 dbv [rfc output] (normal in to rfc out), f=1khz, g2d3d4:10, g4d7:0 output level v o r v in =-21.2dbv, g4d2:0 -11.0 -9.5 -8.0 dbv output distortion thdr v in =-21.2dbv, g4d2:0 0.05 0.2 % alc level (1) v o ar1 vin=-11.2dbv, g4d2:0 -7.0 -5.5 -4.0 dbv alc distortion (1) thdar1 v in =-11.2dbv, g4d2:0 0.3 0.5 % alc level (2) v o ar2 v in = -11.2dbv, g4d2:1 -3.0 -1.5 0 dbv alc distortion (2) thdar2 v in = -11.2dbv, g4d2:1 0.3 0.5 % [line amp] (normal in to line out), ee mode, f=1khz, left channel and right channel, g2d4d3:10 line amp gain gvl gain1 mode, v in =-21dbv 11 12 13 db [rec system] (line in to vco out), f=1khz, g1d4:1(rec_mode), g1d3d2;o1(ext1), g3d8;0(ntsc), g4d5d6;00 free-running frequency l f o l input no signal 1.294 1.300 1.306 mhz free-running frequency r f o r input no signal 1.694 1.700 1.706 mhz standard frequency deviation l&r dev v in =-28.2dbv 46 50 54 khz carrier output level lch vfol non modulation 450 500 550 mvp-p continued on next page.
LA72670BM no.a0644-3/20 continued from preceding page. ratings parameter symbol conditions min typ max unit fm r/lch mix ratio 1 mix1 non modulation, vfor/vfol, p23:ov,p34.measure, g3d7d6;01 7.1 7.6 8.1 db fm r/lch mix ratio 2 mix2 non modulation, vfor/vfol , p23:ov,p34.measure,g3d7d6;00 8.1 8.6 9.1 db fm r/lch mix ratio 3 mix3 non modulation, vfor/vfol, p23:ov,p34.measure, g3d7d6;10 9.1 9.6 10.1 db fm r/lch mix ratio 4 mix4 non modulation, vfor/vfol, p23:ov, p34.measure, g3d7d6;11 10.1 10.6 11.1 db carrier 2nd high frequency 2hd non modulation, to each basic frequency. -48 -34 db carrier 3rd high frequency 3hd non modulation, to each basic frequency. -43 -34 db rec current i o r p23:0v, inflow current at p26, with current probe 34 37 40 map-p cross modulation distortion 0.4m component cmdo4 p23:0v, compare 0.4mhz with rch carrier level -48 -40 db modulation distortion 0.9m component cmdo9 p23:0v, compare 0.9mhz with rch carrier level -55 -40 db current ratio ?1.5db i o r-1.5db p23:0v g4d6d5:01(-1.5db) -2.3 -1.3 -0.3 db current ratio ? 5.5db i o r-5.5db p23:0v g4d6d5:10(-5.5db) -6.8 -5.8 -4.8 db mute attenuation value i o rmu rec mute on(pin 17=h) -40 db [fm modulation system] (pb fm in to line out), pb mode( g1d8d7;01), fm standard input=300mvp-p(r/lch ratio=1:1) output level lch v o pl fc=1.350khz, fm=1khz,g=1 -11 -9 -7 dbv output level rch v o pr fc=1.7mhz50khz, fm=1khz,g=1 -11 -9 -7 dbv output level difference vdem fc=1.3mhz50khz, fm=1khz fc=1.7mhz50khz, fm=1khz lch-rch -1.5 0 1.5 db output distortion lch thdpl fc=1.3 mhz50khz, fm=1khz,din 0.3 0.5 % output distortion rch thdpr fc=1.7 mhz50khz, fm=1khz, din 0.3 0.5 % [do detector / hifi detector] pb mode(do det : fc=1.3mhz / hifi det : fc=1.7mhz), g1d8d7:01 do detection level doc the ratio with standard input 300mvp-p -26 -23 db do detection hysteresis doch 0.5 3 5 db hifi recovery delay time hidel the delay time that is changed from normal to hifi. 110 125 140 ms hifi detection dc output 1 vtrs1 pin 34 input_level=100mvp-p, 1.3mhz 2.1 2.6 3.1 v hifi detection dc output 2 vtrs2 pin 34 input_level=300mvp-p, 1.3mhz 3.3 3.8 4.3 v hifi detection dc output 3 vtrs3 pin 34 input_level=1vp-p, 1.3mhz 4.3 4.8 5.3 v normal detection dc output nordc pin 34 input_level=0mvp-p 0.4 v [hold pulse occurrence] pb mode, g1d8d7:01 hold pulse delay time hpd audio head pulse in 0.8 1.0 1.2 s hold pulse width hpw audio head pulse in 7.0 8.3 9.5 s [band pass filter] pb mode, pb in = 150mvp-p(r/l mix ratio 1:1)at pin 31, pin 17;2.5v, g1d8d7;01, 1.3mhz bpf monitor level v13 g2d2d1;01 80 105 130 mvp-p 1.7mhz bpf monitor level v17 g2d2d1;10 65 90 115 mvp-p 1.3mhz bpf frequency characteristics 1 l115n level difference between 1.15m/1.3mhz g2d2d1;01 -9 -3 db 1.3mhz bpf frequency characteristics 2 l145n level difference between 1.45m/1.3mhz g2d2d1;01 -18 -8 db 1.3mhz bpf frequency characteristics 3 l155n level difference between 1.55m/1.3mhz g2d2d1;01 -27 -9 db 1.7mhz bpf frequency characteristics 1 r145n level difference between 1.45m/1.7mhz g2d2d1;10 -18 -8 db 1.7mhz bpf frequency characteristics 2 r155n level difference between 1.55m/1.7mhz g2d2d1;10 -9 -3 db 1.7mhz bpf frequency characteristics 3 r185n level difference between 1.85m/1.7mhz g2d2d1;10 -12 -2 db continued on next page.
LA72670BM no.a0644-4/20 continued from preceding page. ratings parameter symbol conditions min typ max unit [playback head amp system] (pb head amp in to out), pb mode,g1d8d7;01 voltage gain gvp v in =100 vp-p, f=1.5mhz, ch1&2 69 72 75 db voltage gain difference ch1/ch2 ? gvp -2 0 2 db ep gain boost value ? gep v in =100 vp-p, f=1.5mhz 1 2 3.2 db frequency characteristics ? fp v in =100 vp-p, f=1.8m/1.0mhz, ch1&2 -3 -1 1 db input conversion noise voltage vninp the value(1 / gvp) of 1.1mhz lpf output level 1.7 2 vr m s output dc offset ? v o dc ch1/ch2 -30 0 30 mv [sif system] (sif in to sif out), ee/rec mode input level v i lim fc=4.5mhz 80 90 100 db v output level v o si fc=4.5mhz25khz, fm=1khz 420 530 660 mvp-p distortion thdsi mono 1khz 100% modulation 0.3 0.8 db s/n snsi 75 de-emphasis 57 62 db [tv multiplex demodulation system] (base-band in to li ne out), ee/rec mode, l/ rch, line amp gain(1) deviation of sif input mono: 300hz 100% 25khz mono output level v o mn fm=1khz, 100% modulation, pre-em.on -8.5 -7 -5.5 dbv output l/r level difference ? v o mn fm=1khz, 100% modulation, pre-em.on -1.5 0 1.5 db mono distortion thdm fm=1khz, 100% modulation, pre-em.on 0.15 0.6 % mono frequency characteristics 1 fcm1 fm=8khz, 30% modulation, pre-em.on -2 0 2 db mono s/n snm s=v o mn, n=0% modulation, 15khz lpf+jis-a 57 62 db stereo output level v o st fm=1khz, 100% modulatio n, 15khzlpf -9 -7 -5 dbv stereo distortion thds fm=1khz, 100% modulation, 15khz lpf 1.0 2.5 % stereo s/n sns s=v o st, n=0% modulation, 15khz lpf+jis-a 50 db stereo separation stse1 f=300hz(r/l) , 30%modulation, 15khz lpf 20 25 db stereo separation2 stse2 f=3khz(r/l ), 30%modulation, 15khz lpf 20 25 db input pilot level1 for stereo detection v in sd pilot(fh)=15.73khz, 100%=110 mvp-p 40 % input pilot level1 hysteresis for stereo detection hyst pilot(fh)=15.73khz, 0db=v in sd 3 db stereo vco free-running frequency fstvco no signal, the monitor output of pin 51 is measured. 60.0 63 66.8 khz sap output level v o sa fm=1khz, 100% modulation, 15khz lpf -10 -7 -4 dbv sap distortion thdsa fm=1khz, 100% modulation, 15khz lpf 2nd+3rd harmonic distortion, 15khz lpf 1.5 3.5 % sap s/n snsa s=v o sa, 100% modulation, 15khz lpf+jis-a 55 65 db sap detection input level v in sa sap carrier=5fh, 0db=300 mvp-p -26 -20 -15 db sap detection hysterisis hysa sap carrier=5fh 3 db mode output mono ledmo mono:f= 1khz, 0% modulation 1.0 1.3 v mode output sap ledsa sap:carrier 1.7 2.0 2.3 v mode output stereo ledst stereo:pilot 2.7 3.0 3.3 v mode output st+sap led ss stereo:pilot, sap:carrier 3.5 3.8 4.2 v [control hold voltage] clock low voltage vcl 0 1 v clock high voltage vch 2.5 v cc 2v data low voltage vdl 0 1 v data high voltage vdh 2.5 v cc 2v mute on voltage mon 3.0 v cc 2v mute off voltage moff 0 1.0 v rec mute on voltage rmon 3.0 v cc 2v rec mute off voltage rmoff 0 1.0 v
LA72670BM no.a0644-5/20 package dimensions unit : mm (typ) 5255 sanyo : qfp80(14x14) 14.0 14.0 17.2 17.2 0.15 0.1 3.0max 0.25 0.65 (0.83) (2.7) 0.8 1 20 21 40 41 60 80 61
LA72670BM no.a0644-6/20 block diagram mute v cc (l) 5v do det vco dev sw noise lim mute alc + out sel l-ch line out(l) line out(r) rec-h rec-h pb amp pb amp rec amp + + + + + + + + 2 1 3 1011121314 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 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 vref logic hold pulse + + to rf mod vcc(h) 9v ext1 in(l) normal out normal in ext2 in(l) ext3 in(l) ext1 in(r) ext2 in(r) + ext3 in(r) + + a gnd + + + + + + 4.5mhz bpf l-ch bpf r-ch bpf + + rec mute + + monitor + noise det lim sif in mts vcc (9v) always 5v data clock af sw monitor in(r) comp env det mix lpf dbx dec d ? c r-ch in sel cont st/sap sw sap demod sap det sap filter filter adj. stereo pll stereo filter pilot det r-ch pnr l-r demod sif demod matrix 1 f 1 f 10 f 4.7 f 0.01 f 4700p 22 f 10 f 0.01 f 100 h 39k ? 4.7 f 2.7k ? 0.01 f 470 ? pre gnd d gnd 0.01 f 4700p 22 f 0.01 f 4.7 f 10 f 22 f 1 f a gnd 10 f 0.1 f 4.7 f 1.0k ? 10k ? 4.7 f 1.0k ? 4.7 f mts gnd 4.7 f 4.7 f 0.1 f a gnd hifi "tracking dc" (normal: low) comp mts mode out fsc in 3.58mhz ripple filter + 2.2 f + 1 f 0.033 f + 1 f + + 4.7 f 2.2 f lim amp vref + 1 f + pilot cancel + 1 f 4.7k ? 1 f + 1 f 4.7 f 1 f monitor in(l) + 1 f 0.01 f 22 f 22 f 4 5 6 7 8 9 4.7 f
LA72670BM no.a0644-7/20 pin description dc voltage pin no. pin function name ac level function equivalent circuit 1 77 line mute terminal(l) line mute terminal(r) when the power supply v cc is on, the switch of pin 77 and pin 1 is turned to on to reduce the line out noise. in this case, it is necessary to apply 5 fixed dc to pin 5. 10 ? pin77 pin1 dc; 4.2v 2 output terminal for rf modulator ac; -9.5dbv output terminal for rf modulator. alc level can be settled to -1dbv and -5dbv by serial control. 300k ? 10k ? 400 a mute 2.8k ? 3 v cc 9v power supply of line out. 5 always vcc power supply for the noise elimination mute control when power is on. 15 v cc 5v(lch) 5v power supply of lch. 32 v cc 5v 5v power supply of head amp. 36 power supply for logic power supply for logic. 46 v cc 5v(rch) 5v power supply of rch. 54 9v power supply for mts 9v power supply of mts. dc; 2.5v 4 normal input terminal ac; -21.2dbv normal ic output signal is entered and output to line out through output changeover. g4d7/0:0db 1:3db 500 ? 150k ? vref dc; 2.5v 6 normal output terminal ac; -21.2dbv this is connected to input of normal audio ic. 200 ? 320 a dc ; 0v 7 9 11 69 71 73 audio input terminal ext1_in(l) ext2_in(l) ext3_in(l) ext1_in(r) ext2_in(r) ext3_in(r) ac; -28.2dbv audio input terminal. 500 ? 50 a 100k ? continued on next page.
LA72670BM no.a0644-8/20 continued from preceding page. dc voltage pin no. pin function name ac level function equivalent circuit 8 alc detection terminal for rf converter dc; this is alc detector terminal for rf converter and always ready for operation. 2k ? 40k ? 150 ? 10 25 35 50 70 79 l-gnd headamp-gnd logic-gnd r-gnd mts-gnd audio-gnd dc ; 2.5v 12 74 bs monitor input terminal(l) bs monitor input terminal(r) ac; -21.2dbv bs monitor input terminal 200 ? 100k ? vref dc ; 2.2v 13 48 input changeover switch output(l) input changeover switch output(l) ac; -21.2dbv pb/rec switch output to transform rec and pb signals into dc through a coupling capacitor. 40 a 40 a 100 a rec:on pb:on 200 ? 400 ? dc ; 2.5v 14 47 hifi input terminal(l) hifi input terminal(r) ac; -21.2dbv hifi input terminal after passing through a coupling capacitor. 40 a rec:on 80 a pb:on 200 ? 100k ? vref 16 1/2 v cc terminal dc; 2.5v 1/2 v cc terminal. serially-set reset is ma de with the external capacitance c and internal resistance r (15k ? ) at rise of power supply. the reset time t is expressed as follows: t = -crln(0.2) 500 ? 100k ? 40k ? 50k ? 30k ? 15k ? 30k ? 500 ? 500 ? 2k ? continued on next page.
LA72670BM no.a0644-9/20 continued from preceding page. dc voltage pin no. pin function name ac level function equivalent circuit 17 rec mute terminal dc; unsettled two levels control terminal. hi ; 3.0v to vcc low ; 0v to 1.5v hi: pin 26 signal at rec is off(mute). 1k ? 150k ? 100k ? dc; 18 45 nr waiting det terminal(l) nr waiting det terminal(r) ac; terminal for waiting detector. the recommended external capacity is 10 f. 500 ? 5.6k ? 500 ? dc; 2.5v 19 44 20 43 nr waiting filter terminal1(l) nr waiting filter terminal1(r) nr waiting filter terminal2(l) nr waiting filter terminal2(r) ac; (pin 19,pin 44)between gnd;4.7 f (pin 20,pin 43)between gnd;0.01 f pin19,44 22k ? 2.4k ? pin20,43 dc; 2.5v pin21 pin41 21 22 42 41 cca reference terminal(l) nr emphasis terminal(l) nr emphasis terminal(r) cca reference terminal(r) ac; by connecting 22f between pin 21, pin 41 and gnd, 4700pf between pin 22, pin 42 and gnd, form the nr emphasis. pin22,42 12k ? 39k ? pin21,41 10k ? 10k ? 30k ? dc ;nor at 0.1v ;hifi at tracking dc 23 hifi/nor selecting terminal (pb) (2)monitor control terminal at pin 34 (ee) ac: in pb mode, pin 23 becomes ?tracking_dc? when inputting hifi audio signal and becomes ?l? when inputting normal signal. in ee mode, this is us ed as the terminal for monitor control of pin 34. low(0 to 0.8v) ; vco mix middle(1.4v to 3.6v) ; lch vco high(4.2v to v cc ) ; rch vco 150k ? 5k ? 500 ? 5e continued on next page.
LA72670BM no.a0644-10/20 continued from preceding page. dc voltage pin no. pin function name ac level function equivalent circuit 24 27 head amp input terminal (hch) head amp input terminal (lch) dc pb; 2.0v rec; 4.1v it becomes head amp input in pb mode. hch is pin24, and lch is pin 27. and, it becomes supply source of rec current in rec mode. rec- on 4.5ma pb-on dc; 4.1v 26 rec current amp output terminal ac; 2.1vp-p current amp output in rec mode. common input terminal in pb mode. v cc 5v 8.3 ? rec-on pb-on dc; 2.4v 28 current amp adjust terminal ac:1.3vp-p (l/r_mix) terminal for adjusting the recording current. 400 ? 2.7k ? pin28 500 a 29 sap detection terminal dc ; filter te rminal in the spa detector circuit. 1k ? 1k ? 1k ? 2k ? 2.5v 30 hifi/normal detection terminal dc: nor; 2.5v or more hifi; 2.2v or less this terminal is for detecting demodulation noise and output which has passed through the primary hpf(fc=140khz). 300k ? 200 ? 39k ? 4.7 f pin30 continued on next page.
LA72670BM no.a0644-11/20 continued from preceding page. dc voltage pin no. pin function name ac level function equivalent circuit dc ; 2.5v 31 monitor terminal ac; 800mvp-p (l/r mix) fm mix output(low), lch vco(middle), rch vco(high) can be monitored by controlling pin 23 in rec mode. hold and do pulses can be monitored by pin 17 in pb mode. bpf of lch and rch can be monitored by serial control in pb mode (pin 17 = 2.5v). rec-on 500 ? 500 ? 30k ? dc; 2.5v 33 pb amp output ac; 100mvp-p to 600mvp-p output of head amp in pb mode. 100 ? 350 a dc; open 34 pb fm input terminal ac; 100mvp-p to 600mvp-p (l/r mix) input pin of fm in pb mode. 30k ? 200 a 50k ? 30pf 30pf vref 2.5v vref 37 serial data input terminal 5v 0v hi ; 3.5v to 5v low ; 0v to 1.5v 50 a 500 ? on at ack 38 clk input terminal 5v 0v hi ; 3.5v to 5v low ; 0v to 1.5v 50 a 500 ? continued on next page.
LA72670BM ps no.a0644-12/20 continued from preceding page. dc voltage pin no. pin function name ac level function equivalent circuit 39 af sw pulse input terminal 50hz/60hz 5v 0v input terminal of af sw pulse. hi ; 3.5v to 5v low ; 0v to 1.5v 2k ? 100k ? 40 mts mode out dc; detection result output for m.t.s. signal. stereo+sap : 3.8v stereo : 3.0v mono+sap : 2.0v mono : 1.0v 500 ? 20 a 5k ? 2k ? 49 mute control terminal dc; mute control terminal. mute_on : 3.0v to vcc2 mute_off : 0.0v to 1.0v 45k ? 50k ? 50k ? 10k ? 40k ? 60k ? 51 fsc in input terminal for fsc (3.58mhz). recommended operating input level : 150 to 350mvp-p 10k ? 10k ? 2.5v 100k ? 10k ? 1k ? 30pf 52 pcregbgp dc; power supply terminal of m.t.s. block. this power supply does not operate in pb mode. 8k ? 1k ? 200k ? v cc 9v 1.2v continued on next page.
LA72670BM ps no.a0644-13/20 continued from preceding page. dc voltage pin no. pin function name ac level function equivalent circuit 53 stereo pll filter dc ; 3.8v lpf terminal for stereo pll. 40k ? 40k ? 1k ? 160k ? 160k ? 1k ? 3.75v 55 pilot canceller filter dc ; 3.8v control terminal of cancel signal for pilot canceller. dc voltage at this terminal is changed depending on amplitude of pilot signal, and controlled automatically to be small the pilot signal. 1k ? 1k ? 20 a 60k ? 3.75v 56 fm filter filter terminal for making stable dc voltage of fm detection output in sif part. normally, use a condenser of 1 f. increase the capacity value with concerning frequency characteristics of low. this terminal becomes composite signal input terminal of mts by changing to 5v at pin 57. 70 a 1k ? 1k ? 57 sif input input terminal for sif. the input impedance is about 1k ? . take care about pattern layout of the input circuit, because of causing buzz-beat and buzz by leaking noise signal into the input terminal. (the noise signal depending on sound is particularly video signal and chroma signal and so on. vif carrier becomes noise signal.) composite signal of mts can be input by adding 5v to this terminal directly. (for test) 200 a 500 ? 300 ? 1k ? 1k ? 2.2v v cc 5v 58 reg filt dc; 4.5v filter term inal of reference voltage source. 60k ? 11k ? 49k ? 1k ? to sif block to mts block continued on next page.
LA72670BM ps no.a0644-14/20 continued from preceding page. dc voltage pin no. pin function name ac level function equivalent circuit 59 filter auto adj dc; 3.8v loop filt er terminal of pll for automatic adjusting. 1k ? 1k ? 40k ? 2.5v 60 pilot det filter dc; 3.8v detect ion terminal for pilot detection circuit. 40k ? 40k ? 1k ? 160k ? 160k ? 1k ? 61 76 pc_dc_mo pc_out_dbx dc; 3.3v absorbing the dc offset of signal line by external capacity. 200 ? 15k ? 65 a 65 a 33.5k ? 33.5k ? 60 a 62 pcdcout dc; 3.8v absorbing the dc offset of signal line by external capacity. 100 ? 65 a 100 ? 63 pcdcin dc; 3.8v absorbing the dc offset of signal line by external capacity. 500 ? 45 a 100k ? continued on next page.
LA72670BM ps no.a0644-15/20 continued from preceding page. dc voltage pin no. pin function name ac level function equivalent circuit 64 pcdbxin dc; 2.6v absorbing the dc offset of signal line by external capacity. 200 ? 25k ? 65 a 65 a 450k ? 450k ? 20 a 65 67 72 main v/i convert spe det v/i convert wid dep v/i convert dc; 3.8v converting the voltage of signal into its current by external capacity. 5k ? 66 68 spectral det wide band det dc; connecting terminal of smooth capacity of detection circuit for effective value. 500 ? 25 a 100 a 7 a 75 pcdcospe dc; absorbing the dc offset of signal line by external capacity. 500 ? 65 a 300k ? continued on next page.
LA72670BM ps no.a0644-16/20 continued from preceding page. dc voltage pin no. pin function name ac level function equivalent circuit 78 80 line out(r) terminal line out(l) terminal dc; 4.15v 100k ? 100k ? input selecting switch mode table ( switch output signal ) sub address 0 1 0 2 data byte d8 d7 d3 d2 d8 d7 hifi(80pin lch output hifi(78pin) rch output normal out (6pin) reference 1 0 0 0 0 0 0 tu l tu r tu l+tu r 2 0 0 0 1 0 0 ext1 l ext1 r ext1 l+ext1 r 3 0 0 1 0 0 0 ext2 l ext2 r ext2 l+ext2 r 4 0 0 1 1 0 0 ext3 l ext3 r ext3 l+ext3 r 5 0 0 0 0 0 1 tu l tu r tu l 6 0 0 0 1 0 1 ext1 l ext1 r ext1 l 7 0 0 1 0 0 1 ext2 l ext2 r ext2 l 8 0 0 1 1 0 1 ext3 l ext3 r ext3 l 9 0 0 0 0 1 0 tu l tu r tu r 10 0 0 0 1 1 0 ext1 l ext1 r tu r 11 0 0 1 0 1 0 ext2 l ext2 r tu r 12 0 0 1 1 1 0 ext3 l ext3 r tu r 13 0 1 0 0 0 0 pb l pb r tu l+tu r 14 0 1 0 1 0 0 pb l pb r ext1 l+ext1 r 15 0 1 1 0 0 0 pb l pb r ext2 l+ext2 r 16 0 1 1 1 0 1 pb l pb r ext3 l 17 0 1 0 0 0 1 pb l pb r tu l 18 0 1 0 1 0 1 pb l pb r ext1 l 19 0 1 1 0 0 1 pb l pb r ext2 l 20 0 1 1 1 0 1 pb l pb r ext3 l 21 0 1 0 0 1 0 pb l pb r tu r 22 0 1 0 1 1 0 pb l pb r - 23 0 1 1 0 1 0 pb l pb r - 24 0 1 1 1 1 0 pb l pb r - 25 1 0 * * * * pb l pb r pb l+pb r audio-dubbing correspond note : * is option.(1 or 0)
LA72670BM ps no.a0644-17/20 (us) multiplex serial mode serial setting sub address tuner out (hifi input source : tuner mode) signal d8 st/sap d7 l+r/sap d6 forced mono tuner lch (pin13) tuner rch (pin48) mode mode-out (pin51) 1 0 0 sap sap sap 0 * 0 l r stereo 1 1 0 l+r sap multi stereo+sap * * 1 l+r l+r mono typ 3.8v * * 0 l r stereo stereo * * 1 l+r l+r mono typ 3.0v 1 0 0 sap sap sap 1 1 0 l+r sap multi 0 * 0 l+r l+r mono mono+sap * * 1 l+r l+r mono typ 2.0v mono * * * l+r l+r mono typ 1.0v output selecting switch mode table sub address 0 3 0 2 data byte d3 d6 d4 d3 d2 d1 line out lch line out rch rf mod out through monitor through monitor rf mod sw 1 * 0 0 0 0 0 hifi l hifi r hifi l+hifi r off off 2 * 0 0 0 0 1 hifi l hifi l hifi l off off 3 * 0 0 0 1 0 hifi r hifi r hifi r off off 4 * 0 0 1 0 0 mix l mix r mixl+mixr off off 5 * 0 0 1 0 1 mix l mix l mix l off off 6 * 0 0 1 1 0 mix r mix r mix r off off 7 * 0 1 0 0 0 normal normal normal off off 8 * 0 1 0 0 1 normal normal normal off off 9 * 0 1 0 1 0 normal normal normal off off 10 0 1 * * 0 0 bs l bs r bs l+bs r bs on 11 0 1 * * 0 1 bs l bs l bs l bs on 12 0 1 * * 1 0 bs r bs r bs r bs on 13 1 1 0 0 0 0 bs l bs r hifi l+hifi r bs off 14 1 1 0 0 0 1 bs l bs r hifi l bs off 15 1 1 0 0 1 0 bs l bs r hifi r bs off 1. * is option.(1 or 0) 2. mix l=hifi l+normal, mix r=hifi r+normal through_monitor sw table g2d6 g3d3 g1d1 g2d4d3 line(l) line(r) rfc_out 1 0 - 00 monitor(l) monitor(r) monitor_mix 1 1 - 00 monitor(l) monitor(r) insel_mix 0 1 - 00 insel(l) insel(r) insel_mix ee_mode 0 0 - 00 insel(l) insel(r) insel_mix 1 0 - 00 monitor(l) monitor(r) monitor_mix 1 1 - 00 monitor(l) monitor(r) pb_mix 0 1 - 00 pb(l) pb(r) pb_mix pb_mode hifi_tape 0 0 - 00 pb(l) pb(r) pb_mix 1 0 0 00 nor nor nor 1 1 0 00 monitor(l) monitor(r) nor 0 1 0 00 nor nor nor 0 0 0 00 nor nor nor pb_mode nor_tape 1 0 1 00 monitor(l) monitor(r) monitor_mix note: when output monitor to rfc_out at nor_tape replayed (g2d6:1, g3d3:0), set g1d1(hifi auto distinction) to 1 and select g2d 4d3:00 (hifi).
LA72670BM ps no.a0644-18/20 serial data specification ( i 2 c bus communication ) data byte ( underline is initial setting. ) msb lsb address d8 d7 d6 d5 d4 d3 d2 d1 (0 1) 00000001 ee/pb/ audio-dubbing 00:ee 01:pb 10:audio-dubbing line out mute 0:off 1: on fixed 0 rec/ee 0:ee 1:rec input source selection 00:tuner 01:ext1 10:ext2 11:ext3 auto hifi det 0:on 1:off (0 2) 00000010 normal input mode selection 00:l/r mix 01:lch 10:tu(r) trough monitor bs 0:off 1:on fixed 0 output mode selection 00:hifi 01:mix (hifi+nor) 10:normal output channel selection 00:stereo 01:l-ch 10:r-ch (0 3) 00000011 vco carrier (mhz) 00:1.3/1.7 01:1.4/1.8 rec fm mix 00:9db 01:8db 10:10db 11:11db do on/off 0:on 1:off line out signal level 0:-9dbv 1:-8dbv through monitor rfc sw 0:on 1:off hifi det selection 0:typ 1:+10% hifi det selection 0:typ 1:-10% (0 4) 00000100 sap_gain 0:0db 1:2db normal input gain 0:0db 1:3db rec current level selection 00:0db 01:-1.5db 10:-55db normal out mute 0:off 1:on fsc (mhz) 0:3.58 1:4.43 rf mod alc level 0:-5dbv 1:-1dbv fixed 0 (0 5) 00000101 st/sap 0:st 1:sap sap/(l+r) 0:sap 1:l+r forced mono 0:off 1:on mts mute 0:off 1:on ep/sp 0:sp 1:ep fixed 0 fixed 0 fixed 0* 1 00000110 use in investigating the shipment 00000111 use in investigating the shipment note 1: when fstvco is measured, d1 in address 00000101 is set to 1. note 2: address 00000110 and 00000111 are used in investigating t he shipment, please send ?0?data to all bits at refreshing. the data.)
LA72670BM ps no.a0644-19/20 i 2 c bus serial interface specification (1) data transfer manual this ic adopts control method(iic-bus ) with serial data, and controlled by two terminals which called scl(serial clock) and sda (serial data).at first, se t up the condition of starting data transfer *1 , and after that, input 8 bit data to sda terminal with synchronized scl terminal clock. the or der of transferring is first, msb (the most scale of bit),and save the order. the 9th bit takes ack (acknowledge) period, during scl terminal takes ? h ? , this ic pull down the sda terminal. after transferred the necessary data, two terminals lead to set up and of data transfer stop condition *2 , thus the transfer comes to close. as a part of transfer data write down to internal memory (v latch system), internal control doesn?t change just after the transfer. *1 defined by scl rise down sda during ?h? period. *2 defined by scl rise up sda during ?h? period. (2) transfer data format after transfer start co ndition, transfers slave address(1110100*) to sda terminal, next, sub address(0000****), control data *3 , then, stop condition(see figure 1). and this lsi have a auto address increment function, then, next of slave address transfer, transfer sub address(n) *4 , group (n ) data, after that, group (n+1) and so on. data works with all of the bit, transfer the stop conditio n before stop 8bit transfer, and to stop transfer, it will be canceled only the data of group. *3 there are 1 to 5 groups. *4 pointed date by sub address becomes group no. of next control data. fig.1 data structure ?write? mode start condition slave address r/w l *5 ack sub address(n) ack control data(n) ack control data(n+1) ack ?? stop condition *5 it is called r/w bit. data-1 means data for group-1, data-2 means data for group-2. (3) initialize this lsi is initialized for circuit protection. the initialization period is decided pin 16 capacity value by internal impedance 15k ? , and shown with t = -cr ln(0.2). data cannot be accepted for this period. t = 530ms at c = 22 f, in this case, please transmit data in cons ideration of the uneven after about 700ms.
LA72670BM ps no.a0644-20/20 sanyo semiconductor co.,ltd. assumes no responsib ility for equipment failures that result from using products at values that exceed, even momentarily, rate d values (such as maximum ra tings, operating condition ranges, or other parameters) listed in products specif ications of any and all sanyo semiconductor co.,ltd. products described or contained herein. sanyo semiconductor co.,ltd. strives to supply high-qual ity high-reliability products, however, any and all semiconductor products fail or malfunction with some probabi lity. it is possible that these probabilistic failures or malfunction could give rise to acci dents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause dam age to other property. when designing equipment, adopt safety measures so that these kinds of accidents or e vents cannot occur. such measures include but are not limited to protective circuits and error prevention c ircuits for safe design, redundant design, and structural design. upon using the technical information or products descri bed herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of sanyo semiconductor co.,ltd. or any third party. sanyo semiconductor co.,ltd. shall not be liable f or any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. information (including circuit diagr ams and circuit parameters) herein is for example only; it is not guaranteed for volume production. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equi pment, refer to the "delivery specification" for the sanyo semiconductor co.,ltd. product that you intend to use. in the event that any or all sanyo semiconductor c o.,ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities conc erned in accordance with the above law. no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any in formation storage or retrieval system, or otherwise, without the prior written consent of sanyo semiconductor co.,ltd. thd:sta tsu:sta tlow tr tf thigh thd:data tsu:data tbuf tsu:sto scl sda (4) serial input signal format parameter symbol min max unit low level input voltage vil -0.5 1.5 v high level input voltage vih 3.0 5.5 v low level output current iol - 3.0 ma scl clock frequency fscl 0 100 khz set-up time for a repeated start condition tsu:sta 4.7 s hold time start condition. after this period, the first clock pulse is generated thd:sta 4.0 s low period of the scl clock tlow 4.7 s rise time of both sda and sdl signals tr 0 1.0 s high period of the scl clock thigh 4.0 - s fall time of both sda and sdl signals tf 0 1.0 s data hold time: thd:dat 0 - s data set-up time tsu:dat 250 - ns set-up time for stop condition tsu:sto 4.0 - s bus free time between a stop and start condition tbuf 4.7 - s (5) definition of timing this catalog provides information as of april, 2007. specifications and information herein are subject to change without notice.

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