TA8246AH TOSHIBA | Alldatasheet
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TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC DUAL AUDIO POWER AMPLIFIER 6W x 2CH The TA8246AH is dual power amplifier for Consumer applications. _ This IC provides an output power of 6 watts per channel _ —— ae (at Vcc = 20V, f = 1kHz, THD = 10%, RL = 8) (O }| — It is suitable for power amplifier of TV and home Stereo. k - A) FEATURES Wil Ny | U \\ @ High Output Power I J : Pout = 6W (Typ.) (Vec = 20V, RL = 80, f = 1kHz, THD = 10%) HZIP12-P-1.788, i , oe Weight : 4.04g (Typ.) @ Built-in Audio Muting Circuit. @ NF Terminal Capacitor Less : Fixed Gain (Gv = 34dB), Needless External capacitor. @ Protectors Thermal shut down Protection circuit, Over Voltage Protection circuit @ Low Poping Noise © High THD Ratio @ High input dynamic range @ Available for using same PCB layout with 3 channel IC : TA8256H. © Operating Supply Voltage Range : Vcc (opr) = 10~30V (Ta = 25°C) 980910EBA1 @ TOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress It is the responsibility of the buyer, when utilizing TOSHIBA products, to observe standards of safety, and to avoid situations in which a malfunction or failure of a TOSHIBA product could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent products specifications. Also, please keep in mind the precautions and conditions set forth in the TOSHIBA Semiconductor Reliability Handbook. sire products described in this document are subject to the foreign exchange and foreign trade laws. The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual Property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. @ The information contained herein is subject to change without notice. 1999-09-07 1/10
© ® Ripple Filter more = Lo s our gy _ we (3) Pre-GND ~<h- PW-GND (10) : iz 4 3500 2040 | our - @ + — ° ae © O MUTE SW ure Tc £ ° 1 a ome OFF 1999-09-07 2/10
TERMINAL) SYMBOL FUNCTION EQUIVALENT CIRCUIT Vee
2 IN1 ©
@) 4kQ 20kQ t OUT Input g Ss Fa [) 78 Ne peje | a “ Vec MUTE SW MUTE control terminal 10k MUTE Amplifier 7 MUTE T.C. GND + 3 R.F. Ripple filter ae to POP-NOIZE preventive Ceutt i 9 Output a @ [3 —|-vec | Supiy voltage termina [= ®, @: NC 1999-09-07 3/10
MAXIMUM RATINGS (Ta = 25°C) CHARACTERISTIC SYMBOL RATING | UNIT Supply Voltage [vec [30 Output Current (Peak/Ch) Pp (Note) | 25 | W_| Operating Temperature -20~75 Storage Temperature ee (Note) Derated above Ta = 25°C in the proportion of 200 mW/°C.
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, Vcc = 20V, R, = 8, Rg = 620, f = 1kHz, Ta = 25°C) TEST CHARACTERISTIC SYMBOL TEST CONDITION sn. | ve | max UNIT cuIT Output Power Pout(2)_[ — [THD = 1% [—Tasp— | ™ Total Harmonic THD(1) | — [Pout = 2W | — | 004] 02 | % Distortion THD (2) | — [Pout = 2W, f = 10kHz [ — | o1][ 06 | Voltage Gain [vy | — [Vout = 0.775 Vims [sas [340 | 355] a8 | Input Resistance [Rin [—[ ss SCSC~is | | — | | Ripple Rejection Ratio | RR | — |¥=100He [=a0 [=a [ — [a8] Output Noise Voltage | _Vno | — [Rg = 10kQ, BW = 20Hz~20kHz| — | 0.14 | 0.3 [mVrms| Cross Talk [_et. | — [Rg = 10K, Vout = 0.775Vims | — | -60| — | a8 | Vth (ON)_[ — [MUTE ON [31] — [vec | Mute Control Voltage Vth (OFF) [1] MUTE OFF r_of— | 25] Vv Mute Attenuation ATT Vout = 0.775 Vrms — MUTE -52 Level 1999-09-07 4/10
© ® Ripple Filter 4k0 “ame bet Loe natal 1.0 uF # OUT) “a . q 4 359.9 “ aL (3) Pre-GND ~<h- PW-GND (10) © ge 239.2, 20k. 3 | ole ourz, S ege 1.0 pF © © MUTE sw MUTE T.C. MUTE ale ° of pours oft 2 1999-09-07 5/10
00 lee: Your (Dc) ~ Vcc x0 to _ THD -f E160) anaes e aee88 ro Ar g 8 SCT Cr en ZT e “OOO eee gs 8 ALU & 2 ER SSS F Ee? 4 5 © os ee 2 4 a Bf os FEAR EE aa & “COUT 3g CHI Fr th Ao ae ARR cae é 0 4 8 12. 16 20 24 28 32° «3 3050 100 300500 1k 3k 5k 10k 30k SOk 100k SUPPLY VOLTAGE Vcc (V) FREQUENCY f (Hz) THD - POUT THD - PouT 30, 30; Vee = 20V et rev | [tT 7] en! | neon | PA ===... —— a! oo 0 Lt a | a ge o3 g 3 © LEE PET ce nL || eee ae EE ee | 3 eet i tt 3 Ee eS eT | & So ak & Steet g yg 5 ees ee 8 MCI Pte TP LUE a ee ee St Si ree a nico eee Cy | | ee Ott ee Hert oof Sez TTI ooo} TT | eee | eee I so LUI Pevelll EI sot ELIMI ETE 1 03 05 1 3 5 10 30 03 05 1 3 5 10 30 OUTPUT POWER Pout (W) OUTPUT POWER Poyt (W) 1999-09-07 6/10
TA8. ~ 2 seme Vout © et I |} TT iT Ly" ; : BA . ee a OSHI ’ aids T ‘ Eee J = ot ct Ht — g co ie i - = -EEEE ; EEE T a 6 pot 4 H | : | | Pou So [ie iil ian iH : = os Z| | i : , a VT zg 20H HH teat EE SSrsoerae & mn i Mt i ‘ 7 sannancas Pe C1 it H : Tan SSrSer cer 8 aH HH a 207 8a ==n==: a = HI iH i en on Ce 8 H HH : i 18) a = 10! reo Co S oH ie : THD ceo oo = | Eo fe = 16| coo a — i + sy aten | : = “FEE Z a [+ yA -t| iS EES a ao : | 5 ada Tmo ieee z | & ee ases ~ | pantie 36 --—|— Hit ‘s : : § = Seeccce: 34 a a i - g ecaee 3 Am oH BS = 3 = === 7 Ko HA Mt Ss a ea 26 rH |} | mui zi 5 Seeeee! 2 w tt fp a HE : 3 occas 2 Vee [| CHT mal : i Ei
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8 jaan vee ; ina LC PP g : | aH sul f v = = 307 Il a | | eat : 1 _— al HH Ht ae . RR. Voc =20 Vems 5 eet at ft HH c ~ 40-7 til [| nt A + = : a R= 8 a7 x T ae oo H 2 5 : a Ryn dam ll gh SC at = iz '- i z Re [| nu II a 10k ae II | Ro an na ‘ i z & : ne IT | | ial ill g Hoes = : i: i He Hil mea g at ee 1k (Hz) isa 8 comet ct = Bg s £ iz iH le rh - 2 : ee : - : le a zr Q eee ee is TAY il : = CT {Il [| a HI i : 7 . | jae Hite & te & nt [| mn ne 10k 7 rH L HI : : : sa ee PHY rr Co ae i a : - ~ | Aatitiiotat ima of Hl ; - = - | aio mo | * TT cu : : PEE
30 Rg a2 I [|] | iE i
. : i eas ne “at 2 3 LHe | 2 501 HHH aw. ATA & Ome ie a [I mal KH mi 3 sii it E i : Hi at it 5 mui | mnt | 5k ) a CT | IHL HH , } 1 3 fabs mee rl ci : : ee ct Steet 4 7 a] 700-500 SISTAN , i ie i H Ht [| a il 2 or il Ey € RE: Ey a || at ae IH be it
3 HICIEAttL | Hioaa mil i
| ee ea eee “055 SIGNAL oo 7710 | it : GHEE 7 | od 09-0 i on = an i 700k 99- z ct H--H THI a : | : ~ 0k g eee 7 8 isthe i 3 ad i : . SI : a : JOURCE RE! E 3 * SIGNAL
‘FERRE _ - : = wot a c= 20V hecereeeseeerend He Ss z “hee 4 Re COT TT aoe 775 Vems Secs : th Sites ave “oon 0775 ae sctstctas Cor | i m | pese=sores ae
5 Set settee : piisiieecee ts
= oot fant po P 5 Ae ig 0 fH Mt er eats oe = FAT 1 : Seco FEE & Jef HA a! Biseecaceee ii = Coo 1 EH é oe z Cec 2 iS Soreess z ott g (ee Soze a “e-C : aes a | Ft FREE Cer) =e Se ra CTT) 4 5 ——— th HH Zag O60. rr (oo Hit Pe HH Crt TT TT : ian Co | Ht HH =e ” BEL eAN oH she a ~80 00 300 500 we E Rg (Q) | “ ICE RESISTANCE ‘9 " SIGNAL SOUR _ _ “ SEER Te Eee = Err == f= 1kHz : SEEGERS [| a a FH = = i a ~ “Ee <EEEA ace SS Co - oe pif. } } 7 i 4 3 = Se sae z 16 a | a _ soe == é +++} itt 4A . [I — <r Po a I++} 7 2 Eo BRSELEEH s «4 i} | : == Sass Fe = a a i z KI san = Bs t+} CL A p TEER SSce = BE i aan : PEGE EE EEES an Sz coor ff Yt 2 OEEE EE anes = & fi ff ig {—— 2 H So see =2 “| aaa z EEE cop Ba ge EERE 8 “PERE EEE =e a a ——+ : FER ae : eer La7 | TT i = PEE Be 2 6 jf} 4] SEER BREE =I Becze Soe = Cr ttt = a ae ———— =a EE } PS “oe ENT TEMPERATURE Ta (°C) * MBI EEE + + ; | | - Ta SUPPLY VOLTAGE Vcc (V) — _ ee C520 pS==5=55===her g == saa ana : FERRERS vie it RR tour PT TTT ye es ae 08 oe aeried Pe o : : === == F on++t ttt tt TTT] seeeeeeet =a Sa ee 3 PRES TH a Pre Pees ie 2 oo Pty | : == FE : CH a 7 ceee = os et tt = Br = FH os EERE Bee Pa 3 =Saeasaees
8 ESE : SaRAGOEERnans
< “CEE oo g Se eeeSegese= = S= a t+] a a rrr rr bol =e an : HH | | I q |S S55 Bpesescccces SHH 003] LT | Fa [TT ss 5 oats FEE | $ | = : =e aa g ee ee S| ie im Lid me IT TEMPERATURE Ta (°C) . AMBIEN
8 OE oe
“ee RE Ta (°C) AMBIENT TEMPERATUI 1999-09-07
» Rae © INFINITE HEAT SINK = 35 ® FiETT @ 8 UCIW Af HEAT % See @ 9.5°C/W AS HEAT = of. +++ SNe 2 2TTTITN TTT TTT 2 ys tNIT TTT TTT Fs Pst NATE g oti tNI AEE & COENEN g , | PeaNN ANTE & “EET TT RANAAT ETT otLLi Ti ttt | Ss it 0 25 50 75 100 125 150 175 200 AMBIENT TEMPERATURE Ta (°C) 1999-09-07 9/10
HZIP12-P-1.78B Unit : mm 4.040. 15.7240.2 1s -STYP lavas ai A Zo UD . | ‘MITon a) ola I] < HH | 20751e 0.4" 45 ‘ane lessee Sasa | 1.1401 22.9MAX. 22.440.2 | nen 1 ° 12 Weight : 4.04 g (Typ.) 7999-09-07 10/10