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Silicore U 4 LOW FREQUENCY POWER AMPLIFIER D8227 t e e h GENERAL DESCRIPTION Outline Drawing S a an audio power IC wit h built-in D8227 t is a two Channels developed for portable radio D .
cassette tape recorder with power ON/OFF w switch.
Th ermal shut do wn protection
circuit is built in .
Because of the parts reduction and DIP (Dual in line package), space merit is re markable.
m o .
c
FEATURES
z High Power Pout=2.
5W/CH(Typ.
) Pout=3.
0W/CH(Typ.
) z
Voltage Gain :
:(Vcc=9V,R L =4 Ω ,f=1kHz,THD=10%) :(Vcc=9V,R L =3 Ω ,f=1kHz,THD=10%) Rf=120¦¸ ,f=1kHz£©
Gv=45dB(Typ.
)£¨
Gv=56.
5dB(Typ .
)£¨ z z z z z Low popping noise at power ON
Small Quiescent Current : I C C Q =21 mA(Typ.
)
Ripple R...