yd820 Wuxi Youda Electronics Co.,Ltd., yd820 Datasheet - Page 2

• Manufacturer Part Number: yd820
• Description: 1.2w Audio Power Amplifier
• Manufacturer: Wuxi Youda Electronics Co.,Ltd.

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