BA3920 ROHM | Alldatasheet
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ICs for Audio APDIiCatiOnS equ Block Diagram of Typical Applications 3V FM/AM stereo headphone system na at Vv VY BA4425 BA4240 BAI360 Pr power -o™ BA3708 2s BA3528 \\o a * “ 8A3529 oo ercevones Stereo double cassette recorder system with radio and CD player Non m vy VY VI mar BAI442 i omen Baaz6 PLL TV rates demechiatr pu2ers BAMOTA a | fone ros L «© __ BA3423 wo NC np we G BA3312 8 ? f] wot tone Tar rT] Power aneiter woe ee BASaOS Basar A P {| =P ‘POST AMP Pre servo. ae BA6395, BA6398 a ee ee ee on 3930 BA6220 BA3707 saseca aaa BASI24 Series sae meon| Jee ro Lo) ay Soa BA3830 BA3832 BU34224
High frequency signal process z @Front end . Part No. | Headphone] Rado cassie FM (8) Featue Say ne Package : stereo _|rots /ar ado MPX__|fN_100MHz_ range \\V) Ce 32 Buitin varicap diode for AFC. Low power consumption 15~9_ [Sipe wv | =e fo 32 | Low power consumption. iss | Sr | excor [mv | | 25 | Bie ea Ly a usa [52 [execs | mov | m | 0 | || 56 | tam power conamoten. Se fe pew Tm Tae Bale ate ae ae se Built-in varicap diode for AFC a a ane_{are a Spa ceecwiice |B | SPO ab [enwaase | mov m >) | | a | Rm Exc 2 stra charactnsticn 1736 _ | SOFE @IF system [___Acoication [Function " Headphone] Rado caste [FM Feature oie W) stereo _|ronte ‘onto | F/E | iF | MPX | ° BAAO2 o Gain 5 high. Gv=60d8 (10.7MHz) 2 | Sr Baa03 o FM peak detector system. Few external components. aw | Sr BAAtO . ° I ‘Sound soft muting function. s~2 | ZiP6 BA4230AF/AFS | MSV ° |S TFM mute, Tuning indicator, Low operating voltage. 2 __| sopaisscr-r20 BAA236L . ° © | Quardrature detector system.| Fa wane Sone (ip teem) | 27~12 | ZIPIB BA4237L . ° 2 | Buitin tuning For nomal $ cure (ower hetsodjne) | 27~12 | ZIPIB BA42401/F mV [0 [|G _ FF mute, a autio contol pin. Bitten tuning indicator 17~45 | ZiP18/SOPI @Stereo multiplexer Headphone] Race casete [FM | Feature om | Package [enszo || ||| i pin Sprain conor = [ore | a Low sone Sra raTreSIrS Jess || o Internal power supply muting function 3as~e | piPIG 7 3 Vide orange [_€=12 [26 BAI351 . S| porced wu Soft muting Low distortion ew [ore For aural pin, - BAI355/F . o_|romed monaural PS. Buin function s~i2__| DiPt6/SoP6 BAIS56 2 fom swi2 | ZPI6 BAI360/F sv c Wide dynamic range. Low distortion 1e~4 | apr6/soPis BAI362F/FS mv O Low operating voltage. 1~25 _| soPt6/Ss0P-A1 @IF+MPX { Application ] Part No. [Headphone] aio came | FM Feature [Semone | package stereo rows ‘cx aso | F/E fa MPX BAI402 mv o S Low power consumpting.Sound muting by IF level. 18~45 [DP2 | BAIe40 oO ¢ [NOAM FT pase Fa rome Sane lips hetsime) | 3:5~7.0 | DIPIB - Adjusent-fee FM quart detect ——— Baraat of < © | Few extemal components, | Far roma $ cure (ower hedre) | 35~7.0 | DIPIB [ow eS cheers vO [Armen Sane top ecim)_| g6~e0 [Oreo | Cr
High frequency signal processor @PLL frequency synthesizer . ‘Supply voltage range (V) Maximum operating] ] Pe Part No. iin Standard frequency (KHz) Feature Package 40~60 | 3.5~60 100 | 50 25 10 | Easier interfacing to microcomputer pr /aori Bu26n/F 190 >| 2 5 & 16/SOPI6 2 | 125 6.25 3.25 Low spurious output, 75KHZ X'tal, w/th counts 27~60 | 40~60 "i mem BU2614/F/FS 130 5 3 t | 7 pote 3 ports DiP6/SOP16/SSOPI6 puzeis/r/rs | 2.7~60 | 40~60 190 25 | 126 | 625 | 325 | Low spurious output, 75KHZ Xtal, w/th counts, pis0rie/s50P16 New 5 3 1 7 ports 40~60 25 Ty 25 | 10 9 | Internal IF count detector BU2616/F | 130 625 5 1 4 ports DIP18/SOP18 2 | 2s | 10 With IF counts . 27~60 | 40~60 2 | 2s | 0 8 | with F counts Noto 19 Under development @TV multiplex Pm [paiaorat/ar | 4= | TV mulibiex demadulator 0] On-chip mode solectorSTEREO, MAN, SUB, MAN SUB) Bull-in dplay aver | ZIP16/S0P20 @FM transmitter Built-in stereo modulator and AF oscilator | ~1 NP BA1404/F 2 IC for FM stereo transmitter Constant ‘output for frequency adiuetment DIPI8/SOP18 eauosr | 46 Stereo modulator can be easily fabricated Low frequency amplifier @Pre amplifier ‘Application . Part No. [reo cme] 0 yyy Peabo) ig |Mcnphere] Une [ALC | Input | AUX [Equalizer A ng Feature one Package rece [sero [SU |Site lampiior| creat | switch | SW! swith ball BASOT | ] I Low distortion. 6~20 | Sr BA3n Low distortion. 20~42 | SIP7 BASIS. | = | O 3~i2_ | SIPS a a oe | rare jeasoo fet oT fat To ass | sip [easoon [a | Te | a2 [sro | ee BAaS9 ae ee | a sassooar | | |p? | emu [Dress BA3408/F | fe/ | | ° For auto-everse Buit-in LED drver| 6~14 | DIPI6/SOP6 BAS410AF . 1[ oo 3 18~35 | SOPI6 BASaIK 2[ pepe po] a Buin LED ver for display. | 18~03 | OFPGR BA3413F/FS 2 2) { Cc 0.9~2.0 | SOP16/SSOP-Ar6} BAS4I6BL LJ 2 s fe) For double cassette. 35~12 | LPB BA3420AL . 2 5] oS T oO C J sx16 | 2PI6 BA3423S LJ 2 [s) ° fe Oo ;°o fe © | For double cassette. 45~7 SOPS2 BAS424F/FS/S 2 o [S(O [Fer astoveverse L7R MX OUT. [7x0 belied aaaaor/raie | al —— —T3s “Blank detection 7 yg | Sores SSOP BA3430F/FS/S 2 | a: im Sonatingy awiching ccue | 7~18 | Soete BA343 a! 2 Pic 45~10_| DPI6 @ALC EY BA82210N 12 [ 2ch transistor aay of level control with desable pin’ Trg]
. z @Line amplifier z Ge Supoly voltage bal er ee Pens range cv) | Packave BASTI2 2 | 10 _| Fixed gain type. BAST 2 [15 _| Low cross tak : 6508. 616 | SPB Fy exsnat |__| 2 | 8-20 _| Gain soting wihout exenal esse @Pre power amplifier for headphone stereo pplication Power amplifer input swien | ESvalizer Feature verge (v) | Package switch . BAREOOATAP Pema [= eT ra oor | BARSLAF/AFS aonwxa [|= | eer || 0 [Ose wvetin ——e~a0 | sav | com a Ta BASE heasptene| yey | aOnWx2 | | as ee a BASSIOF/FS ginwx2 | mine | 20 | Oat antec antsame | 1940 [srs | anasz0/F comiixe [ronxe | |S [ ara nen | 1940 | perr80%6 axa sowwx2 | enw x2 [spew 0 | | [raaarso matmne | 18-40 [Ore | @Headphone stereo pre power governor Part No. Application | Pre Power amplifier Equalizer Feature Package } V) amplitir Ode) [Oupaic20) | GAN(GB) rout swe switch [eourer range (W) Sten | 2OmWx2 | 38 man] a = ____ : | BasszorP __| stereo samwx2 | 2omwx2) 27 | | | Applying noise reduction. | 1.8~60 | HSOP28 @Power amplifier [_fopicaton [Preto i? ‘Supa votage Paso caste Headphone |Nunber of] Output | Stand-by Foature Package Ea ‘store | crcait| power Yee (W)/ RL (@)| TSO |SEMEPY | suting range (V) BASIS2F CE Ee 2 Gain 2108.Buit-in power switch circuit. eso woor| 2 | sn 3) re 0 T [esse [mw | foe [6 fe [| on ie pion ———SSC=id Boas sases 1 = asd | [| 3 | Bassas mf [osew [2 [we | | aw ower ON/OFF noise [ 7 [sre | Bas-406 eff efi |e Ta || ain enact tr shase cisiment | sis [sire | _ . ce eee pasate . 2 a swe | spam saw BAS413 . 2 | saw o 7 sus [xsPe2 | BASA6 7 1 | ossw Low power consumption 2-9 |spa
@CD driver ‘Sch ae [Poe despair] Output Output Panter of Operation T Part No. oo) ™ — ° circuit | TS | Muteg 07 | Srpsifigy | Regulator Feature Package BA6292 sxe 30 (2 fe) Large package power SIP-Mi2 BA6204 suis | 20 {2 [s 3 Large package power HSIP1O paszesare | 75~i8 | 17% |6.2vop|oven| em { 2 | © a —_{ BSe Sere HSOP28 BAG296FP 6~9%1| 17" | 38Vpp 4 |< 5 Oo ©_| Few extemal components. _| HSOP28 BA6297AFP 6x9 17% |4.5Vpp | 4 C 5) Applycable digital servo. HSOP28 easzonr | e~oxi) 7x pe [op oO] Few extemal component DY oacocare C7) REY exssoere [amu | 17# leave). [Xb | «| [oO | | twang wae 57 | HOP many exssesre —[aowo | W7# [us| Y [en fs) [>| | 0 | setae as iy my eacsosrp | exo | 17® |a5vep om [4 | © _| trent mig DEY exsovorh | a= | 17* |aavew) (bate |e |) | Fv ters Han ERY svoroore [ea | 7* sai) [an |e) 00] Of 0 Wee am vsoF= Notes TT wT DWer Car coore we BBV 2102 rw cam cpmrate tt a6 S.a-value meaued under actual perating condition @CD-ROM driver ‘coy voloye [Pover descaton] Output Output [rember of | ‘Operation Part No. awe w cmsim | system _| circuit TSO | Muting pin ‘amplifier ‘Regulator Feature Package mperm ee | [ee m]+[o. 5] | 0 lmwadensm [orm | @Loading motor driver ‘Suny votige [Pome desiaton] Output ‘Output [rember of ‘Operation aa Se 7 oe ev c 5 2 CH independent FWD/REV av 2 CH independent FWD/REV [ene me |e fo fm lolo | | kway OO meee @Pre servo amplifier | Supply voltage Drive amplifier | |_reete |e oo ree ree Toa [Taam] Soe a] fae aad [sacssss Ps oT ain at aries ns ois 0D sve sam] sora @Post amplifier Suply voltage Function P a Fe Cae 18~60 | Amplifier for GD which has bul-in 5 7 | Auto ON/OFF e BASSSEK 5.5~7.5 de-emphasis and headphone ampiifier ° ~ ~ Stand-by supply system. FP: @Peripheral IC of portable CD [Supply voltage Part No. Function | Feature Package range (V) WY sassoor | 2.9~36 | Pulse width control Controls_pulse width in proportion to battery voltage WEY easrosr | _17~45 | Power owitch Power tanemission efficiency 69%
e . = Accessories z @Electronic volume z ‘Supply voltage ‘ Namver ¢ [Built-in reference r K Part No. ‘ange (V) Function eee Feature Package z 7.0~95 | Electronic volume control for car audio. [2 O [-] HSOP28 a Volume, Balance, Fader, Tone (bass, treble, ) Loudness) 2 o Conta by 0G vote ‘SSOP-A24 @IC for graphic equalizer [Supply voitage| Circuit Control range: THD Qups vase votage | Ripple Input Output [renner rom [iro etel sein | a | to [uma woken | tree | er | Foca [exsomur sem momwr| 6 | so | se | om 1» | - | © | 0 [arercone_| a) szr24 BAIE2415 __|_35~14__storeo A 70 | 265 | 01 | 0 - szP24 @Preset graphic equaliger ‘Supply vohage| Circuit No. of | [rere Fie] Fort [ass |i = od WY easeaoxv | 17~s6 | stereo] 22 | 4 Prevention sound leak fom Head set Auto boost contol @Bass boost system Ns A Function Driver Output | Part No. “ Boost circuit Condition mt | B25 amplier [Canter amo Feature Package range (v) | Soest creut_ "R16 switch Bass Treble BA3S70F/FS 20~7.2 | 25dB.Max. | 4dB Fixed [= | Built-in 2omw power amplifier | SOP22/SSOP-A24 Gay 8a3572FS 18~3.6 | 25dB.Max, | 4dB Fixed (OCL} | On-chip $-BBS and AVC SSOP-A24 BA3870 30~7.0 (20d8,.Max. 4dB Fixed [| - Low switching noise at BBS ON/OFF | DIP20 @Band-pass filter for spectrum analyzer ‘Supply voltage | Number of Input | Part No. range (V) Format | “band mx amp | IMPut mix. amp Feature Package [ sxseszr | 45~00 | Menaul | 6 | @Display microcontroller for spectrum analyzer Part No, | SUP®lY voltage Function /Feature MTP icon Package range (V) - 24-8eg *. I, lisp L.suseazs | 45x55 axe asexa | 24:800%4-com LOD driver, 24%4 LOD display RAM, SI, PIO puseans | orPes | Makes an audio spectrum analyger when used with BA3890 series. Note! 1Under Development
@Level meter |Suncly voltage | No. | Pe [me eie|= |e ele BAG104 9~15 u Operating voltage range 9~15V. ‘sIPo et} = inear Seno worse Sane —— BASIS 35~16 | ; SIP pacwar |ss~6 ow —| Buittin rectitier amoltier | Wide operating voltage range 35~16V. ‘SPa/SoP1a — — and reference requiator, fF — BAe7 —3.5~16 s | Yu | ow amet casante ft, | FOF 66 LED iver, sro BAGI44 3.5~16 Wide comparate level 13~+13 dB | SIPo BAGIS4 __ | 35é16 i High amplifier gain. SIPO BAGB4A eswa [D6 [Bar Linear] Sutin wo fall wave wet amps. The lev of Fe lagest one of eo pus 6 diplyed lors BAGE2A/AF suiten nat Tum on and of periods of | DiPt8/SOP8 12 Dot/Bar Power | rectifier amplifier. e809 OED oxen LED can be contoled by sassan | =e repoegen srs ee ances thew [peso BAGB20F 45~55 2ch display by dynamic drive system. RIN-3k2 | sop22 |12x2 | Bar/Peak nod | VU | 2 mode display by independent AC and DC display. Base22s/F | 45~85 Peak hold function -7 ~10d8 and cancel function. Muting function, _| N30 BAG668A %~17 Peak hold w Built-in rectifier circuit. Peak hold function -1~8 dB. High input impedance. DIPIB BAGI46 75~20 elo Buift in input rectifer amplifier meeting both AC and DC input signals. DIG BAGI48 7.5~20 Power | Wide operatingvoltage range 7.5 to 20 V. Buit-in power supply muting function. DIPIG BAGBIOS/F a |!2x2 | Bar/Peak hold Level adj. pin ‘SDIPS0/SOP28 BAGBOOA/AS/AF | 4.5~5.8) 2ch dsplay by dynamic dive system. - DiP28/S1P30/S0P28 16x2 | Bar/Poak hold ‘Muting function rode dplay by aABROEA | Srume "aw comereeson ampier, | fimo 4 | s8 8 688 Foy oie ne | sorad | @Ground isolation amplifier for car stereo [suppty votage | Number of | CMRR | THD ouput ise wtage P at No frange (V)| creas | (6B) | 06) _| (eV) Feature Package BAsI2vF/N | 4~i8 | 2 | 57 | 0.002 | 35 _| High CMRA, Small extemal capacitor. bips/SoP8/SIPB @High voltage head switch Sippy vege A Part No. elie Function /Feature Package 2 high voltage head switches for play back and 2 switches for record, @Auto scan meter Supply voltage ] Function Part No. py wonne® | Disolay | oot mT aM Feature Package BAGS as~14 ED | 3 Tuargidetnng | SPO BA68S 6515 LED 5 drecton dicate Bar display at AM receiving. High drive current 25 mA/“dot. | DIP16 @Square-law compression amplifier ‘Supply voltage Sensor amplifiers @Tape end detector ‘Supply voltage Output current Input amplifier Output oas97 sexs0 [ao wets Dies crecion wih magreto/ anche | SPB BasTi2 70~160 [20 | Dect c 5 conversion eloment Po @Biank detector ‘Supply voltage ‘Output Blank detection | Output pulse Forced Protection Plunger Part No. art No. range (V) current (mA) imber of tune’ time width stop circuit | drive Package BA335 45145 600 = y Dect | SIP eases | ~ «z=0 | 10 = LC Sow T notoa| SPB BA338/L i 42~120 | 150 - Pow Tr needed) SIP9/ZIP9 BA3702 45~14.0 120 5 Settable Settable oO Pow Tr needed| DIPI6 BA3707 3.0~14.0 300 - ° Direct ‘SIPO BA3708F 20~50 100 = > Direct__| SOPB 32 | paarue oenas = Diect | SOP8
a e z Control z Ss @Deck key control i VSC processor Hl [savor | —45~10 | 6 aon pocmse | Cane oT Opes Hye bya Ves, roe ed oH AL ce [ORE | Note : 1."VSC’ is @ tademark of the Variable speech Control Company. This product has been specially manufactured for use in the VSC system under licence of VSC Lid. System power supply @System power supply for radio cassete recorder system |Supoly voltage |Standard sus Output voltage (V) Stand-by | Reference) Mode BA3920 65~22 16 15 5 - 5 8 5 c fe) [s} ‘SIP-M12_ ease22 | 50~22 | tSSSC«dS'Ck 5 7s | - | 76 | = a [3 3° 5 sew “paseza owe | tis 6 | 7) -.7i|- | 0 5 clo. [spew 6A3926 some) | wei ss |e [| -1 2 )- | o | o | o | © [spwe BA3928 65~22 we | @ | 5s | - | 5s | 68 | 6s | O Oo | 0 _ [spam 8x380 — [ese we [wsjs je |sj{fse [so | | o | [sew — BA3932_ exe eS | | | 8 s{[af[s | of |[o | SiP-M2 ‘Note : 1.When operated from lower voltage than output voltages listed above,the output is the input supply voltage minus the drop voltage across output transistors: 2.2Under developerent @System power supply for car audio system Fran Output vol V T [_rve_bsorir ef or rae [ne pee ee fomeem) MH [ao Pome] Poe BA3SOO 1016 132 56 90 | 88 | 88 = =_|_27 o 0 0 _|siPmia BASSO4A | 10~ 16, 32 56 | 90 | ass | ass | — | — | o7 S| 5 | 0 [seme pasos | sans | a2 | 56 8a | aa [es | = | - | o7 C “O. |sie-mi2 BA39088 10~16 5 58_| ws | 45 | a2 | 62 | 84 | 06s | i SIP-MI2 BASSIOA —_| e624 132 sé | a7 | a7 | a7 | 8 | 268 | 065 SIP-MI2 gassi2 | 96~ 24 2 | 86 | 90 | oss | acs [7 | 27 | oes [_ | sip-wiz EY BA3%13 96~24 13.2 56 83 | 83 83 127 127 0.65 fof | Notes“ 1When operated from lower volage than output voltages listed above,the output is the input Supply vollage minus the drop vollage across ouiput Transistors @Variable output supply voltage MEny BA3960 45~22 2 | isa | > | © | Built-in output current control circuit and temperature protect circuit. | HSIP-B12 Low saturation PNP output. |