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PDF D8227 Data sheet ( Hoja de datos )
| Número de pieza | D8227 | |
| Descripción | Low Frequency Power Amplifier | |
| Fabricantes | Shaoxing Silicore Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de D8227 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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t4U.com SilicoreLOW FREQUENCY POWER AMPLIFIER D8227
heeGENERAL DESCRIPTION
taSD8227 is an audio power IC with built-in
atwo Channels developed for portable radio
.Dcassette tape recorder with power ON/OFF
wwswitch. Thermal shut down protection
w circuit is built in. Because of the parts
Outline Drawing
reduction and DIP (Dual in line package),
mspace merit is remarkable.
.coFEATURES
Uz High Power
t4Pout=2.5W/CH(Typ.) :(Vcc=9V,RL=4Ω,f=1kHz,THD=10%)
Pout=3.0W/CH(Typ.) :(Vcc=9V,RL=3 Ω,f=1kHz,THD=10%)
ez Voltage Gain: Gv=45dB(Typ.) Rf=120 ,f=1kHz
eGv=56.5dB(Typ.) Rf=0 ,f=1kHz
hz Low popping noise at power ON
Sz Small Quiescent Current : ICCQ=21 mA(Typ.) (Vcc=9V Vin=0)
taz Ripple Rejection Ratio : R.R.=-52dB(Typ.)(Vcc=9V fripple=100Hz Rg=600
z Cross Talk : C.T.= -50dB(Typ.)(Vcc=9V f=1kHz Rg=600 )
az Output Noise Voltage : Vno=0.3mVrms(Typ.)(Vcc=9V
Rg=10k
.DBW=20Hz~20kHz)
z Stand-By Switch
wz Soft Clip
wz Built-in thermal shut down protection circuit
wz Best for supply voltage 9V
)
mz Operation supply voltage range : Vcc=5~12V
taSheet4U.coSHAOXING SILICORE TECHNOLOGY CO.,LTD
www. Silicore. com. cn
www.DaCHMC
1/8
1 page  
Silicore
D8227
As the oscillation allowance varies according to the printed pattern layout, the
standard printed board is recommended to be referred to design it
5. INPUT VOLTAGE
When the excessive signal is input, turning-up is produced in the clip waveform.
Th e tu rn ing-u p po in t is VI N= 3 00 mVr ms ( Typ . ) : V c c =9 V, RL= 4 Ω, f=1k Hz : Enough care
must be taken for this phenomenon.
6. POWER ON/OFF SWITCH
There is power ON/OFF switch at pin 1. However, output power is changed by pin 1
supply voltage when pin 1 voltage in not same pin 12 supply voltage, after referring
to attached date, select pin 1 supply voltage.
7. GND LINE
GND pin is not separated for Pre-GND and 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
www. Silicore. com. cn
CHMC
5/8
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| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet D8227.PDF ] | |
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