AN7170

ICs for Audio Common Use AN7170 18W Audio Power Amplifier Circuit s Overview The AN7170 is an integrated circuit manufactured by high voltage process designed for power amplifier of bus, track amplifier. Wide operating supply voltage range with output of 18W at 26.4V. It can be widely used for bus, truck amp., car stereo, home entertainment stereo set and TV sound multiplex output. 15.0±0.3 3.6±0.2 5.85±0.25 1.0±0.2 11 10 9 8 7 6 5 4 3 2 1 2.54 Unit : mm 4.7±0.6 2.7±0.4 1.8R 30.0±0.3 24.0±0.3 1.26±0.25 s Features High output power : PO =18W High surge voltage : VCC (surge) = 60V (max.) Wide supply voltage range : VCC (opr) = 8 ~ 35V Incorporating protection circuits (overvoltage, 0.95±0.25 overcurrent, temperature, load short) Incorporating automatic operating point stabilizer circuit Low distortion, low 1/f noise 3.5±0.25 5.5±0.3 7.5±0.3 0.1 0.35 + – 0.05 0.35±0.25 11-Lead SIP Package (HSIP011-P-0000) s Block Diagram VCC 9 11 Ripple Filter Temperature Compensation Surge Over Current Protection 4 7 Input Circuit Driver Circuit Output Circuit 1 GND 8 (Input) 6 5 3 GND (Output) 0.7±0.1 AN7170 s Absolute Maximum Ratings (Ta= 25˚C) Parameter Supply Voltage (at no signal) Supply Voltage (at operation) Peak Supply Voltage Note 1) Supply Current Power Dissipation Note 2) Operating Ambient Temperature Storage Temperature Note 1) Pulse Voltage application t = 0.2s Note 2) Ta = 25˚C ( θj – c = 4˚C/W) Symbol VCC VCC VCC (surge) ICC PD Topr Tstg ICs for A...