GENERAL DESCRIPTION

D8227 is an 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.

FEATURES

High Power

Pout=2.5W/CH(Typ.) :(Vcc=9V,RL=4Ω,f=1kHz,THD=10)

Pout=3.0W/CH(Typ.) :(Vcc=9V,RL=3Ω,f=1kHz,THD=10)

Voltage Gain: Gv=45dB(Typ.)（ Rf=120Ω ,f=1kHz）

Gv=56.5dB(Typ.)（ Rf=0Ω ,f=1kHz

Low popping noise at power ON

Small Quiescent Current : ICCQ=21mA(Typ.) (Vcc=9V Vin=0)

Ripple Rejection Ratio : R.R.=-52dB(Typ.)(Vcc=9V， fripple=100Hz， Rg=600Ω )

Cross Talk : C.T.= -50dB(Typ.)(Vcc=9V， f=1kHz， Rg=600Ω )

Output Noise Voltage : Vno=0.3mVrms(Typ.)(Vcc=9V ， Rg=10k Ω ，

BW=20Hz~20kHz)

Stand-By Switch

Soft Clip

Built-in thermal shut down protection circuit

Best for supply voltage 9V

Operation supply voltage range : Vcc=5~12V