AN7131 PANASONIC | Alldatasheet

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SW Audio Power Amplifier Circuit Unit : mm @ Description The AN7131 is a monolithic integrated circuit designed for ga 635 7125 audio power amplifiers such as portable radio, radio cassette 3 | ars tape recorder and car radio. Stabilized operation due to Li es aa ide ly voltage. : ti wide supply voltage eR 4 ——— @ Features 3 . { ==43 5! 3 ae ie @ High gain, low distortion, low noise 32 an | Se" i @ Reduction in external components of -—= @ Built-in thermal protection circuit sil] oy | —— @ Built-in over voltage protection circuit = @ Incorporating automatic operating point stabilizer 36 gs circuit a @ Low shock noise when power is switched ON and OFF Hh. @ Low quiescent current @ Pin ‘9-Lead SIL Plastic Package with Fin (9-SIP-F) Pin No. Pin Name

1 Output

2 GND (Output)

3 Bootstrap

4 Phase Compensation

5 NFB.

6 Input

7 GND (Input)

8 Ripple Filter

9 Vee

@ Block Diagram mee a ©) Circuit Drive Gini |G) (9) Vee Power Supply Temperature Overvoltage GND (7) Ripple Rejection ‘Compensation Protection (2) GND Panesonic M@ 6932452 0013779 413 a 160

B® Absolute Maximum Ratings (Ta=25°C) Tem om Supply Voltage *! [ove | Supply Corrent os Storage Temperature -40 ~ +150 °C Operating Supply Voltage Range: Voc = 5.0V~ 22.0V *1 Without input signal Voc = 24V @ Electrical Characteristics (VCC=13.2V, RL=4Q, f=1kHz, Ta=25°C) Test Circuit © Vee

41 ZZ +

+ ZZ. 470. ) (9) Input o ) ® Hat AN7131 [ 1 @) @ *4 O—4)—®) lp Re + 22 ZL AT —_—— P - mm 6932852 0013780 135 mm anagonie 161

@ Application Circuit © Voc “nH “patop ®) ©) Input o (6) @B) + AN7I31 ZZ 411009, ty @) ® A O-O—® Ow (| mean + 22 @ Characteristics Curve Po- Vcc Po, Pp, THD - Vin S Gv, THD -f to ircuit > — iB Circuit) "Tritton FL] & "|= ] _|--seatae G Pane) ee el vccetsavermm—rimt AT “TTT Pasa] 8 | asia CON CU 100! ores TTT = [A] -& [siete erect OE 3 OC TMATIN TTMNGI

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Aane/74nune E FonStotirnpt | & fein Seem 0 Larry 5 ooy AT SEI? ET i of LUST 0 4 8 oT | . Supply Voltage Vcc (V) Input Voltage Vin (mV) e Frequency f (Hz) THD - Po THD - Voc os Icg- Voc "ESSee, IT “APRS s caer 2st LE TTT) | gee CHE

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ais? > yI . F g CMS T = LY | TT Ps oor Ol 1 10 024 68 012 4 0 2 4 6 8 10 12 14 Output Power Po (W) Supply Voltage Vcc (V) Supply Voltage Vcc (V) OO Oe Panasonic M™ 6932852 0013781 07] 162

® Characteristics Curve (Continue) Pp- Ta [TT TT TTT) @ r= i" rT ttT tye (2) With a 100 x 100 x 3mm A! heat sink (black = Yo colour coated) & HAH (3) Without a 200 x 200 x 2mm Al heat sink a 8h (4) With a 25 x 25 x 2mm Al heat sink & CNet Tt Tt | (5) without neat sink

2 CONCH

3 Lan +H

4 .ERPNACTT B EOPNANTE & IRB TY ase by | oL LE TT | 0 40 80 120 160 Ambient Temperature Ta ((C) @ Printed Circuit Board Layout (Scale: 1:1) e AN7131/7140 ° Wy e @ es M@™@ 6932852 0013782 Toh Panasonic 163