This part is a kind of semiconductor called D2025.
Function of this product has Stereo Audio AMplifier.
Manufacturers : Shaoxing Silicore Technology
Image and pinout :

Some of the text within the PDF file :
Silicore STEREO AUDIO AMPLIFIER DESCRIPTION The D2025 is a monolithic integrated audio amplifier in a 16-pin plastic dual in line package. It is designed for portable cassette players and D2025 radios. FEATURE z z z z Working Voltage down to 3V Few External components High Channel isolatio n Vo ltage gain up to 45dB(Adjustable with external resistor) z z Soft clipp in g Internal Thermal protection Ou tlin e Drawing BLOCK DIAGRAM PIN CONNECTION 9 THERMAL PROTECT START CIRCUIT 8 7 10 11 50 _ + 12 13 14 15 Bridge Out-2 1 2 3 4 16 15 14 13 Vcc Out-1 Boot-1 GND GND FeedBack-1 IN-1(+) GND(Sub) 10K 5K DECOUPLING 50 10K 16 1 Boot-2 GND GND Feedback-2 IN-2(+) SVR D2025 5 6 7 8 12 11 10 9 50 6 5 4 3 2 _ + SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 1/4 CHMC Sil [ ... ]
D2025 PDF Datasheet Download
