This part is a kind of semiconductor called TDA7269.

Function of this product has 10+10W STEREO AMPLIFIER WITH MUTE & ST-BY.

Manufacturers : ST Microelectronics

Image and pinout :

Some of the text within the PDF file :

® TDA7269 10 + 10W STEREO AMPLIFIER WITH MUTE & ST-BY WIDE SUPPLY VOLTAGE RANGE UP TO ±20V SPLIT SUPPLY HIGH OUTPUT POWER 10 + 10W @ THD =10%, RL = 8Ω, VS = +14V NO POP AT TURN-ON/OFF MUTE (POP FREE) STAND-BY FEATURE (LOW Iq) THERMAL OVERLOAD PROTECTION SHORT CIRCUIT PROTECTION TO GND DESCRIPTION The TDA7269 is class AB dual Audio power amplifier assembled in the Multiwatt package, specially designed for high quality sound application as Hi-Fi music centers and stereo TV sets. Figure 1: Typical Application Circuit Multiwatt11 ORDERING NUMBER: TDA7269 +VS 1000µF MUTE/ ST-BY IN (L) 1µF 5 7 + 8 15K +5V µP 18K GND 9 10 IN- (R) 4 OUT (L) 18K IN- (L) 4.7Ω 100nF 560Ω 560Ω 18K 1µF IN (R) 11 + 1 6 -VS 1000µ F D94AU085 15K 1µF 3 RL (L) 2 OUT (R) 4.7Ω 100nF RL (R) July 1 [ ... ]

TDA7269 PDF Datasheet Download