This part is a kind of semiconductor called TDA7497.

Function of this product has 10W+10W+10W/15W TRIPLE AMPLIFIER.

Manufacturers : ST Microelectronics

Image and pinout :

Some of the text within the PDF file :

TDA7497 10 + 10W STEREO AMPLIFIER WITH MUTE/ST-BY PRODUCT PREVIEW WIDE SUPPLY VOLTAGE RANGE (UP TO ±22V ABS MAX.) SPLIT SUPPLY HIGH OUTPUT POWER: 10 + 10W @ THD =10%, R L = 8Ω, VS = +14V NO POP AT TURN-ON/OFF MUTE (POP FREE) STAND-BY FEATURE (LOW IQ) FEW EXTERNAL COMPONENTS SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION DESCRIPTION The TDA7497 is class AB dual Audio power amplifier assembled in the Multiwatt package, speFigure 1: Typical Application Circuit Multiwatt 8 ORDERING NUMBER: TDA7497 cially designed for high quality sound application as Hi-Fi music centers and stereo TV sets. +V S 1000µF 15K 1µF MUTE/ ST-BY IN (L) 1µF +VS 4 6 + 2 3 OUT (L) 4.7Ω 100nF RL (L) 15K +5V µP 18K GND 7 1µF IN (R) 8 + 1000 µF 5 -VS 1 OUT (R) 4.7Ω 100nF RL (R) D94A [ ... ]

TDA7497 PDF Datasheet Download