D8227 Shaoxing Silicore Technology, D8227 Datasheet

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... LOW FREQUENCY POWER AMPLIFIER GENERAL DESCRIPTION D8227 is an audio power IC wit h built-in two Channels developed for portable radio cassette tape recorder with power ON/OFF switch. Th ermal shut do wn circuit is built in . Because of the parts reduction and DIP (Dual in line package), space merit is re markable. ...

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... G Rf=0,V =0dBm Rg=10kΩ BW=20Hz~20kHz Rg=600Ω , R.R fripple =100Hz Rg=600Ω , C.T V =0dBm V6,V7 - Istb SW1-OFF 8.7 GND 0.7 0.03 0.03 0.7 www. Silicore. com. cn CHMC D8227 RATING UNIT 20 V 2.5 A 4.0 W -25~75 °C -55~150 °C =4Ω,Ta=25° 2.0 2.5 - =3Ω 0.2 1 56.5 - ...

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... ltage gain Gv is obtained as follows by R1,R2 and Rf in Fig.1. Gv=20log((Rf+R1+R2)/(Rf+R1)) When Rf=0 Gv=56.5dB(Typ.) When Rf=120Ω Gv=45dB(Typ.) By increasing Rf , reduction possible , Ho wev er, sin feed back increase is liable to produce oscillation , it is reco mmended to use this at 40dB or over. SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC D8227 Fig 1. 3/8 ...

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... At using this application with the voltage gain reduced, oscillation is liable to be produced. Apply the capacitor after checki ng enough for its capacity, type and mounting position. SHAOXING SILICORE TECHNOLOGY CO.,LTD the input and ⑦ , max volu me in series I N www. Silicore. com. cn CHMC D8227 Fig.2 4/8 ...

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... GND pin is not separated for Pre- for Pw - GND. That is liable to cause distortion and cross talk worse. Before use this IC, please check it. CHARACTERISTIC CURVES SHAOXING SILICORE TECHNOLOGY CO.,LTD =300 mVr ms(Typ.) : Vcc=9V www. Silicore. com. cn CHMC D8227 ign it =4Ω, f=1kHz : Enough care L 5/8 ...

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... Silicore SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC D8227 6/8 ...

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... Silicore SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC D8227 7/8 ...

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... Silicore SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC D8227 8/8 ...