TA7222AP TOSHIBA | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 5

Technical content

TOSHIBA, ELECTRONIC O2 D 9097247 couse a Gf. “9097247 TOSHIBA. ELECTRONIC 02— 16908 =D @RTAT2220P ney T-74-05-01 5.8W AUDIO POWER AMPLIFIER Unit in mm CAR STEREO CAR RADIO AUDIO OUTPUT 2 %OMAX, . Very ‘Few External Parts (Require 4 PCS Capacitor) 2 . Adjustable Closed-Loop Gain s2+015 . High Sustaining Over Voltage a ‘| (Surge voltage up to 40V for 0.2sec. pin 1 to 8) i” ° « Excellent Ripple Rejection 3 3 . High Power and Low Distortion : BY | 4 PouT=5.8W(Typ.) at Voc=13.2V, Ry=40, THD=10% « | of ® THD=0.2%(Typ.) aa - Possible to Use for 22 Load : hee Pour=9.3W(Typ.) at Vcc=13.2V, THD=10% . Operating Supply Voltage Range : Vcc=8 ~18V t £015 uszaz . Audio Muting Circuit asezans Asto + Protection Circuit (for Load Short, Excessive Supply Voltage and Thermal Shut-down) LEAD DETAIL DRAWING . 3 MAXIMUM RATINGS (Ta=25_C) MOLD ———_9) . CuARACTERISTIC wesoas} aexa “= | p.c supply Voltage vococ) | 25 -| v | UJ : fa | output current (Peak) | To(peak] 4.5 | A | Power Dissipation (Te=25°c)| Pp | 12.5 | w | =s5~1so] °c _ | ELECTRICAL CHARACTERISTICS ° (Unless otherwise specified, Vog=12.5V, RL=4N, Rg=6000, f=1kHz, Ta=25 C) TEST . CHARACTERISTIC SYMBOL | CIR-| TEST CONDITION MIN. | TYP. UNIT Quiescent Current recq po - - ao | ao | vocrtev | -as | 100 | Tie 10z r= [ez] - | Vec=13.2V, RL=20, 9.3 THD=10% : Por +f = [ez || Prom, area = fos | — | [woieese Gain wT | Si foes | a | [iepve nesiseance | am [- | - +t - | #|- | «| -fa ine etic a ents seers: AUDIO LINEAR IG === ~65— i

TOSHIBA, ELECTRONIC Oe D goq724? Op1b909 5 Tt . oe SS \\ TA7222AP AY 1-74-05-01 BLOCK DIAGRAM AND TEST CIRCUIT © Yoo FIG-1 POWER SUPPLY BOOT STRAP @) €) 8 EXCESSIVE bie VOLTAGE ape PROTECTOR ols INPUT b e — 1000#F/10V , a $ wurme Ey LOAD c SHORT OYROUIT 8 6) S| | ceamuat onur gai DOWN ols rire On On Tore Oi . . 6 - PEED Back’ af S evs a 1. Terminal @ is input. stage GND, terminal @ is output stage GND. - 2. Closed-loop voltage gain of the amplifier is determined by the ratio ; (R1+R2)/Ris TA7222AP is fixed at typically 53.0 dB for designing minimum external components. + When higher closed loop gain is desired, the gain can be increased by connecting a resistor between pin ©) and pin@. Open loop gain is obtained by shortening pin © and pin®@. + When lower closed loop gain is desired, the following two ways can be used. A. Series connecting a resistor and a capacitor between pin @ and pin@. . B. Series adding a resistor to pin ©. Both A and B, lower closed loop gain than 40 dB is not recommended. And also, ripple rejection ratio is decreased by using B configuration in such a case, connecting a capacitor from pin @ to ground is recommended. (Fig.2,3,4 show these ways.) 3. For applications requiring high ripple rejection ratio, an excellent supply : voltage ripple rejection is obtained by connecting a capacitor (recommended value 4.74F) between pin @ and ground. ° (R.R-£ shows these characteristics) 4, Terminal @ is Audio Muting Control Input. + When control input is low state (; open or below 0.3V), muting circuit does not : operate, OFF. + When control input is high state (; above 1.0V), muting circuit, then, operates, ON. (Refer to Fig.5) === TOSHIBA s2==2s2<c2ses2=escsee ea EEE EEE —66— } 7

TOSHIBA, ELECTRONIC O2 D Bsosze47 0016910 1 cr ; “9007247 TOSHIBA. ELECTRONIC. O2E 169100 PF . lf T-74-05-01 J APPLICATION CIRCUIT HIGHER CLOSED LOOP GAIN CIRCUIT LOWER CLOSED LOOP GAIN CIRCUIT (A) ©Voo © Yoo meer O-O— +! Oy o—(4) voooee EFT O-(6) ooo © (+340 ourror 6 Ort sa-goursur i g i Ee weet FI & al. ee ae 3 a af 3 af 3 FIG-2 FIG-3 LOWER CLOSED LOOP GAIN CIRCUIT (B) AUDIO MUTING CIRCUIT © Voo 0 Yoo a oh . 6b cH ° 1000KF 5 ee pate OL eeMoenret ® OMG |% le 3 H @ qe fs aT ae ° Re ORS 3 a Te g . piv Note : Capacitor ¢2-7 must be Note : Power output reduction level used when high ripple -40dB at Ry=1k0 feluestel ~354B at Rg=0 . FIG-4 FIG-5 [SEE eee es AUDIO LINEAR IC== . . -67— ‘ .

TOSHIBA. ELECTRONIC G2 D Bp s097247 So1w311 3 Tr BS 9097247 TOSHIBA. ELECTRONIC ~_O2E “16911 Db \\ TA7222AP , a d \\ T-74-08-0/ RIPPLE REJECTION — f @vo,G@y— ft “C—O seer oznoure >, Olin a ott TT voo=2s2v Slovo TIM TIT CTT

3 Ry=40 80} Ser pin 66

© on & aici The oll POC To 3 ea Tin CN Il g CIS F he ell iS & i SS . ll A eS SAI CT Th a ee ee eee | | ee a 3 { BUN eT ilcemrserne | Soot MIT zest ormourr 2 eit Tro Tn a rT TT HII | voo=2 sv Co © CoM. = eC} ¢ 60 100 00 500 1k ‘Sk 6k 10k 20k 0 30 100 0 lk Sk 10k SOk 100k FREQUENCY f (Hz) FREQUENCY f (Hz) THD — Pour THD — Pout : 80) con 80 Con . TEST CIROUIT 1A 8 TEST OIRCUIT er: ee eel ee eee en aA pa a A

3 CES ae PO es

s UUM Tm Ti 2 gL TMM TU ETT | . | Gor aos ar a3} 3 5 10 Qol Qos G1 a3 2 3 8 10 20 . | OUTPUT POWER Poyr (W) OUTPUT POWER Poyr (W) Pout — Voo Ice — Voo : “(geet ommourt | | | [1] i e va 3 = ; © ITIVE 8 feu g 4 y 8 Ota = BOA A Pot tert tt LALA er 8 LET | | co EEE] EYeeoro 3 pe REECE EEE ott tT i titty) ~ F @- *10° wz da 16 18 8 10 a dé 16 is SUPPLY VOLTAGE Vog (V) SUPPLY VOLTAGE Voc (V) === TOSHIBA ==2=2228= sess sines sen ee nn SEE —68—

TOSHIBA. ELECTRONIC O2 D Bsosz2u7 gobdle S T : a “E7@O97247_ TOSHIBA.” ELECTRONIC “Te O2E T6912 Dy fff. ‘TA72220P T-74-05-01 . [Ss ‘ . Pp — Voo Pp - Ta i. 5 TELE 8 AL = 160m?x2mm Ag e FETT YT || & » PON nore 2 Boom?xaum Ag FTE ev LO fe 7 ge rt “Te BE Lu & xe, PT é oo 4 ee TST PCCoet cerry FM HAS SAH CERT re) ge EoCeoo | * Dov SUPPLY VOLTAGE Vog (V) AMBIENT TEMPERATURE Ta (‘C) eer AUDIO LINEAR ic= L