This part is a kind of semiconductor called TDA7497S.

Function of this product has TRIPLE AMPLIFIER.

Manufacturers : STMicroelectronics

Image and pinout :

Some of the text within the PDF file :

TDA7497S 8W+8W+15W TRIPLE AMPLIFIER s s s s s s s s s s 8+8W (RL = 8Ω) + 15W ( RL = 4Ω) OUTPUT POWER @THD = 10%, Vcc = 25V INDEPENDENT MUTE FOR CENTER CHANNEL AND MAIN CHANNELS NO TURN-ON TURN-OFF POP NOISE NO BOUCHEROT CELL SINGLE SUPPLY RANGING UP TO 35V SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION INTERNALLY FIXED GAIN SOFT CLIPPING MULTIWATT 15 PACKAGE MULTIPOWER BI50II TECHNOLOGY Multiwatt15 ORDERING NUMBER: TDA7497S DESCRIPTION The TDA7497S is a triple 8+8+15W class AB power amplifier assembled in the @ Multiwatt 15 package, specially designed for high quality sound, TV applications. BLOCK DIAGRAM VS_C PW_GND C1 INR 470nF S_GND 8 2 11 1 13 VS +VS C11 0.1µF C10 0.1µF C9 1000µF Features of the TDA7497S include mute functions, independently contr [ ... ]

TDA7497S PDF Datasheet Download