参数资料
型号: YD820
厂商: Wuxi Youda electronics Co.,LTD.
英文描述: 1.2W AUDIO POWER AMPLIFIER
中文描述: 为1.2W音频功率放大器
文件页数: 2/4页
文件大小: 87K
代理商: YD820
YOUDA INTEGRATED CIRCUIT
YD820
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, VCC=9V, RL=8Ω, Rg=600Ω, f=1kHz, Tamb=25℃)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Supply Voltage
Vcc
3
12
V
Output DC Voltage
VoDC
4
4.5
5
V
Quiescent Circuit
Current
Iccq
4
12
mA
Vcc =12V, RL=8Ω
2
Vcc =9V, RL=4Ω
1.6
Vcc =9V, RL=8Ω
0.9
1.2
Vcc =6V, RL=4Ω
0.75
Vcc =3.5V, RL=4Ω
0.25
Output Power
Po
THD
=10%
Rf =120Ω
Vcc =3V,
RL=4Ω
0.20
W
Rf=33Ω
16
Po=1.2W
Rf =120Ω
60
Rf =33Ω
3.5
Input Sensitivity
Vin
Po=50mW
Rf =120Ω
12
mV
Input Resistance
Zi
f=1kHz
5
C8=680pF
50~7000
Gain Bandwidth
BW
C8=220pF
50~20000
HZ
Po=500mW, Rf =33Ω
0.8
Total Harmonic
Distortion
THD
Po=500mW, Rf =120Ω
0.4
%
Open Loop Voltage
Gain
Gvo
75
dB
Rf =33Ω
45
Closed Loop
Voltage Gain
Gv
Rf =120Ω
34
dB
Input Noise Voltage
VNI
BPF=20Hz~20kHz
3
μV
Input Noise Current
INI
20Hz~20kHz
0.4
nA
Signal Noise Ratio
S/N
Po=1.2W, Gv =34 dB,
BPF=20Hz~20kHz
80
dB
Ripple Rejection
Ratio
RR
fr=100kHz, C6=47μF, Rf=120Ω
42
dB
WuXi YouDa Electronics Co., Ltd
2 of 4
Website: www.e-youda.com
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