This part is a kind of semiconductor called SA7454.

Function of this product has 2 X 6W AUDIO POWER AMPLIFIER.

Manufacturers : Silan Microelectronics

Image and pinout :

Some of the text within the PDF file :

SA7454 2×6W AUDIO POWER AMPLIFIER DESCRIPTION SA7454 is a Class AB dual audio power amplifier. It adopts HSIP-9 or DIP-18IH-300-2.54 package. FEATURES * High output power: 6 + 6W @ THD=10%, RL=4Ω,VCC=14.4V * Fixed gain * Good power supply ripple rejection * Standby and Mute functions * Low ON/OFF POPO noise * Few external components * Short circuit protection * Inverting polarity protection * Thermal protection ORDERING INFORMATION Device SA7454 SA7454H Package DIP-18IH-300-2.54 HSIP-9 APPLICATIONS * Multimedia system * LCD-TV BLOCK DIAGRAM HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http://www.silan.com.cn REV:1.0 2008.10.21 Page 1 of 5 SA7454 ABSOLUTE MAXIMUM RATINGS Characteristics Power Supply Max. Voltage of Inverting Polarity Output Pin Endurance Capabilit [ ... ]

SA7454 PDF Datasheet Download