This part is a kind of semiconductor called TA8227P.

Function of this product has LOW FREQUENCY POWER AMPLIFIER.

Manufacturers : SUM

Image and pinout :

Some of the text within the PDF file :

SUM TA8227P LOW FREQUENCY POWER AMPLIFIER TA8227P GENERAL DESCRIPTION TA8227P is audio power IC with built-in two Channels developed for portable radio cassette tape recorder with power ON/OFF switch. Thermal shut down protection circuit is built in. Because of the parts reduction and DIP (Dual in line package), space merit is remarkable. Outline Drawing TA TA8227P SUM**** F E AT U R E S z High Power Pout=2.5W/CH(Typ.) :(Vcc=9V,RL=4 Ω,f=1kHz,THD=10%) Pout=3.0W/CH(Typ.) :(Vcc=9V,RL=3 Ω,f=1kHz,THD=10%) z Vo ltage Gain : Gv=45dB(Typ.) Rf=120 ,f=1kHz Gv=56.5dB(Typ.) Rf=0 ,f=1kHz z Low popping noise at power ON z Small Quiescent Current : ICCQ=21mA(Typ.) (Vcc=9V Vin=0) z Ripple Rejection Ratio : R.R.=-52dB(Typ.)(Vcc=9V fripple=100Hz Rg=600 z Cross Talk : C.T.= -50dB(Typ.)(Vcc= [ ... ]

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