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Wuxi Youda Electronics
Wuxi Youda Electronics


YD2025H

2.4W Stereo Audio Amplifier



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YD2025H pdf
YOUDA INTEGRATED CIRCUIT
YD2025H
2.4W STEREO AUDIO AMPLIFIER——YD2025H
DESCRIPTION
The YD2025H is a monolithic integrated audio amplifier in a 16-pin plastic dual in line package. It is designed
for portable cassette players and radios.
FEATURES
*Working Voltage down to 3V
*Few External components
*High channel isolation
*Voltage gain up to 45dB (Adjustable with external resistor)
*Soft clipping
*Internal Thermal protection
BLOCK DIAGRAM
12
Vcc
11
5k
10
-
+
TAB
987
Pre-GND
+
50 -
1 2 3 TAB 4 5 6
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: 86-510-85205117 86-510-85205106 Fax: 86-510-85205110 Website: www.e-youda.com
SHENZHEN OFFICE
Tel86-755-83740369
Fax86-755-83741418
Ver 5.0
1 of 4
2006-06-28



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YD2025H pdf
YOUDA INTEGRATED CIRCUIT
YD2025H
ABSOLUTE MAXIMUM RATINGS (Tamb=25)
PARAMETER
Supply Voltage
Output Peak Current
Power
Dissipation
80*60*1.2mm3 PCB
No Heat Sink
Ambient operating temperature range
Storage Temperature
SYMBOL
Vcc
Iop
PD
PD
Topr
Tstg
VALUE
15
1.5
3.5
1.6
-20+75
-40~+150
UNIT
V
A
W
W
Electrical CHARACTERISTICS
(Tamb=20, Vcc=9V, f=1kHz, Stereo, Unless otherwise specified)
PARAMETER
Supply Voltage
Quiescent Current
Quiescent Output
Voltage
Voltage Gain
Voltage Gain Difference
Input Impedance
SYMBOL
Vcc
Iccq
Vo
Gv
ΔGv
Zi
Output Power
(STEREO)
Output Power
(BTL)
Distortion
Supply Voltage
Rejection
Input Noise Voltage
Cross-Talk
Po
(THD
=10%)
THD
RR
VNI
CT
TEST CONDITIONS
Stereo
Bridge
Vcc=9V, RL=4
Vcc=9V, RL=8
Vcc=6V, RL=4
Vcc=6V, RL=8
Vcc=3V, RL=4
Vcc=9V, RL=8
Vcc=6V, RL=4
Stereo ,RL=4, Po=250mW
BTL,RL=4, Po=250mW
Rg=0, GV=45dB,
Vr=150mV, f=100Hz
GV=45dB,
BPF=20Hz
20kHz
Rg=0
Rg=10k
Rg=10k, f=1kHz,
RL=4, Po=1W
NIN TYP MAX UNIT
3 12 V
40 50 mA
4.5 V
43 45 47
49 51 53
±1
30
1.7 2.4
1.3
0.7 1.0
0.6
0.1
4.7
2.8
0.3 1.5
0.5
dB
dB
k
W
%
40 46
dB
1.5 3
36
μV
40 55
dB
WuXi YouDa Electronics Co., Ltd
2 of4
Website: www.e-youda.com



Part Number YD2025H
Description 2.4W Stereo Audio Amplifier
Maker Wuxi Youda Electronics - Wuxi Youda Electronics
Total Page 4 Pages
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