YD820 Datasheet, PDF (2/4 Pages) Wuxi Youda electronics Co.,LTD – 1.2W AUDIO POWER AMPLIFIER

YOUDA INTEGRATED CIRCUIT
YD820
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, V_CC=9V, R_L=8Ω, Rg=600Ω, f=1kHz, Tamb=25℃）
PARAMETER SYMBOL
TEST CONDITIONS
MIN TYP MAX
Supply Voltage
Output DC Voltage
Quiescent Circuit
Current
Output Power
Input Sensitivity
Input Resistance
Gain Bandwidth
Total Harmonic
Distortion
Open Loop Voltage
Gain
Closed Loop
Voltage Gain
Input Noise Voltage
Input Noise Current
Signal Noise Ratio
Ripple Rejection
Ratio
Vcc
Vo（_DC）
Iccq
Po
Vin
Zi
BW
THD
Gvo
Gv
V_NI
I_NI
S/N
RR
THD
=10%
Rf =120Ω
Po=1.2W
Vcc =12V, R_L=8Ω
Vcc =9V, R_L=4Ω
Vcc =9V, R_L=8Ω
Vcc =6V, R_L=4Ω
Vcc =3.5V, R_L=4Ω
Vcc =3V, R_L=4Ω
Rf=33Ω
Rf =120Ω
Po=50mW
Rf =33Ω
Rf =120Ω
f=1kHz
C₈=680pF
C₈=220pF
Po=500mW, Rf =33Ω
Po=500mW, Rf =120Ω
Rf =33Ω
Rf =120Ω
BPF=20Hz～20kHz
20Hz～20kHz
Po=1.2W, Gv =34 dB,
BPF=20Hz～20kHz
fr=100kHz, C₆=47μF, Rf=120Ω
3
12
4
4.5
5
4
12
2
1.6
0.9 1.2
0.75
0.25
0.20
16
60
3.5
12
5
50～7000
50～20000
0.8
0.4
75
45
34
3
0.4
80
42
UNIT
V
V
mA
W
mV
MΩ
H_Z
%
dB
dB
μV
nA
dB
dB
WuXi YouDa Electronics Co., Ltd
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