This part is a kind of semiconductor called TDA7297SA.

Function of this product has DUAL BRIDGE AMPLIFIER.

Manufacturers : ST Microelectronics

Image and pinout :

Some of the text within the PDF file :

TDA7297SA 10W+10W DUAL BRIDGE AMPLIFIER s s WIDE SUPPLY VOLTAGE RANGE (6V-18V) MINIMUM EXTERNAL COMPONENTS – NO SWR CAPACITOR – NO BOOTSTRAP – NO BOUCHEROT CELLS – INTERNALLY FIXED GAIN TECHNOLOGY BI20II s s s STAND-BY & MUTE FUNCTIONS SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION CLIPWATT15 ORDERING NUMBER: TDA7297SA DESCRIPTION The TDA7297SA is a dual bridge amplifier specially designed for TV and Portable Radio applications. BLOCK AND APPLICATION DIAGRAM Pin to pin compatible with: TDA7297, TDA7266B, TDA7266SA, TDA7266M, TDA7266MA, TDA7266, & TDA7266S. VCC 470µF 0.22µF IN1 3 4 + ST-BY 7 13 1 OUT1+ 100nF S-GND 0.22µF IN2 9 Vref + + - 2 OUT1- 12 15 OUT2+ MUTE 6 PW-GND 8 + 14 OUT2- D94AU175B September 2003 1/11 TDA7297SA ABSO [ ... ]

TDA7297SA PDF Datasheet Download