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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...
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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.
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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 Rejection Ratio : R.R.=-52dB(Typ.)(Vc c=9V£¬ Cross Talk : C .T .= -50dB(Typ.)(V cc=9V£¬ Output Noise
Voltage : f=1kHz£¬
BW=20Hz~20kHz) z z z z z Stand-By Switch Soft Clip
Built-in ther mal shut down protection circuit Best fo r sup p ly vo ltage 9 V Operation supply
voltage rang e : Vcc=5~12 V
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t a .D
S a
Rf=0 ¦¸
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Rg=600¦¸
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,f=1kHz
(Vcc=9V Vin=0) fripple=100Hz£¬ ) Rg=10k ¦ ¸ £ ¬ Rg=600¦¸ )
Vno=0.3mVrms (Typ .)(Vcc=9V £¬
SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn
CHMC
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Silicore
MAXIMUM RATINGS (Ta=25 ° C)
CHARACT ERISTIC Supply Output Vo ltage Current (Peak/CH) SYMBOL Vcc IQ(peak) PD Topr Tstg RATING 20 2.5 4.0 -25~75 -55~150
D8227
UNIT V A W °C °C
Power Diss ipation* Operating Te mper...