View tda7286 datasheet:

TDA7286 ® SINGLE CHIP PREAMPLIFIER FOR DOUBLE DECK RADIO CASSETTE RECORDER HIGH OPEN-LOOP GAIN (80dB) VERY LOW INPUT NOISE LOW TURN ON/OFF POP LOW SUPPLY CURRENT PLAYBACK AMPLIFIER WITH HEAD INPUT SWITCH RECORDING AMPLIFIER WITH BUILT-IN ALC ALC TIME CONSTANT PIN CAN BE USED AS ALC SWITCH DIP20 SO20 GOOD SUPPLY RIPPLE REJECTION ORDERING NUMBERS: TDA7286 TDA7286D DESCRIPTION The TDA7286 is a monolithic integrated circuit in DIP20 and SO20 packages designed for 6V, 9V and 12V AC/DC double deck cassette applica- tions. BLOCK DIAGRAM 1/6 September 2003 TDA7286 ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VS Supply Voltage 14 V V Input DC Voltage –0.4 to 0.5 V IN Top Operating Temperature –20 to 70 °C Tstg, Tj Storage & Junction Temperature –40 to 150 °