This part is a kind of semiconductor called TDA2822M.

Function of this product has DUAL LOW-VOLTAGE POWER AMPLIFIER.

Manufacturers : Wing Shing Computer Components

Image and pinout :

Some of the text within the PDF file :

TDA2822M DESCRIPTION DUAL LOW-VOLTAGE POWER AMPLIFIER The TDA2822M is a monolithic integrated circuit in 8 lead Minidip package. It is intended for use as dual audio power amplifier in portable cassette players and radios. FEATURE LOW CROSSOVER DISTORSION LOW QUIESCENT CURRENT SUPPLY VOLTAGE DOWN TO 1.8V BRIDGE OR STEREO CONFIGURATION PIN CONNECTION Input-(1) Input+(1) Input+(2) Input-(2) 8 7 6 5 - + Bias Circuit + - 1 Output1 2 VCC 3 Output2 4 GND ABSOLUTE MAXIMUM RATINGS (Tamb=25℃,unless otherwise specified) PARAMETER Supply Voltage Peak Output Current Power Dissipation Operating Temperature Storage and Junction Temperature Wing Shing Computer Components Co., (H.K.)Ltd. Homepage: http://www.wingshing.com SYMBOL Vcc Io TA =50℃ Tcase=50℃ PD Tamb [ ... ]

TDA2822M PDF Datasheet Download