This part is a kind of semiconductor called UTC2822.

Function of this product has Dual Low Voltage Power Amplifier.

Manufacturers : Hangzhou Silan Microelectronics

Image and pinout :

Some of the text within the PDF file :

UTC2822 DUAL LOW VOLTAGE POWER AMPLIFIER DESCRIPTION LI NEAR I NTEGRATED CI RCUI T The UTC2822 is a monolithic integrated audio amplifier in a 8-Pin plastic Dual in line package. It is designed for portable cassette players and radios. FEATURES *Wide operating supply voltage:Vcc=1.8V- 12V *Low crossover distortion *Low quiescent circuit current *bridge/stereo configuration DIP-8 BLOCK DIAGRAM VCC 2 PIN CONFIGURATION INPUT1 7 1 NP1 8 OUTPUT1 OUTPUT 1 Vcc OUTPUT 2 1 2 3 4 8 7 6 5 NF 1 INPUT 1 INPUT 2 NF 2 INPUT2 6 3 NP2 5 OUTPUT2 GND 4 GND ABSOLUTE MAXIMUM RATINGS(Ta=25°C) Characteristic Supply Voltage Output Peak Current Power Dissipation Operating Temperature Storage Temperature Symbol VCC IO(peak) PD Topr Tstg Value 15 1 at Tamb=50°C 1.0 at Tcase=50°C 1.4 -20~+70 -40~+150 [ ... ]

UTC2822 PDF Datasheet Download