AN7142 PANASONIC | Alldatasheet
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Technical content
0.9W Dual Audio Power Amplifier Unit : mm — $35 09 * 4s re > 16 @ Description » 5 as The AN7142 is a monolithic integrated circuit designed for 4g re dual audio power amplifiers in consumer applications. It a “| > e is suitable for portable stereo radio/cassette recorders. B] | » is 3 te <q b> 3 i s @ Features ane © Wide operating voltage range: Vcc = 3.9V~18V vt hal @ Dual channel operation in a single DIP package 7 38 @ Large maximum output power: Po = 0.9W at Voc = 6V, RL=4Q. ; of 2S IE Gg 16-Lead DIL Plastic Package with Fin (16-DIP-F) @ Pin PinNo | PinName Pin No_| Pin Name 1 | GnDdnpuy | GND Cutpuy ch2 2 Negative Feedback Ch.1 | 10 —_| OutputCh2 3 [tmucht | Vee 4 Bootstrap Ch?
3 Crossover Distortion Suppression Ch2
6 NCI input cr. 7 Output Ch.1 Negative Feedback Ch.2 8 GND (Output) Ch.1 | _16 _| Ripple Filter @ Block Diagram Vcc GND (Output) ) Circuit Circuit cat |? j SEPP peers rs GND (Input) GND (Output) M@™ 6932852 0013794 72T Panasonic 175
@ Absolute Maximum Ratings (Ta=25°C) Supply Waase [ve > * Sd Supply Curent [ke Powe Disipatn ee Operating Ambient Temperature -30 ~ +75 Fel Storage Temperature 55 ~ +150 °c Operating Supply Voltage Range: Voc = 3.9V ~ 18V @ Electrical Characteristics (VCC=6V, RL=4Q, f=1kHz, Ta=25°C) , Vin = OMV, Ry = 10kQ, With Output Noise Voltage Vno filter 15~30kF2 (124B/OCT) mV Maxmium Output Power | Povey | THD = 10% [07 | o9 | | w Channel Balance [ce fvorosy TT @ Application Circuit 470p, G Voc if oosrat, ZH. 100 Hi. 2.2 0.1p (—O)—1) +1) 1) Ch.2 Tnput © (4) 70 Ch. o G) cy A Input AN7142 470 Rt @) ® +4 40 (2) 22 RB 0.0471 + a Panasonic MH 6932852 0013795 bbb 176
@ Characteristics Curve
40 Po- Vcc g 4 Gy, THD - Voc 10 Po, THD - Vin 100
S30 RRReey as $0 Ae Tit 5 Serine a a" TT py] EMIT TTT] é Con eae eepeay7 tt] esd) Pee naz ae | | Lao] T | | Ts os} +4 gos, jt Crim in) 3 LPT TTT = CLE T E/M, ® 0 2 4 6 8 10 12 1416 = 0 2 4 6 8 10 12 14 16 Ol 1 10 100 Supply Voltage Voc (V) Supply Voltage Vcc (V) Input Voltage Vin (mV) _ Gy, THD - f 0 Pp - Ta
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3.0 TT tt STANCE
at | eM és} -N 4 SM veces) 8 CSC EB = at So lM TI [ise | ES PAGES bbs Leo TT) = "SSSR SoA LM UM SL | = 10 100 Ik 10k 100k 0 40 80 120 160 Frequency f (Hz) Ambient Temperature Ta (°C) @ Printed Circuit Board Layout (Scale: 1:1) ° AN7142 ° our \\ | [=a IN2 vcc HIG 2 us GND GND t l l 1 our | Pd IN1 r.) MECS .) a M@™ 6932852 00137%b ST2 a Panasonic 177