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Wuxi Youda
Wuxi Youda


YD2025

2.3W Stereo Audio Amplifier



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YD2025 pdf
YOUDA INTEGRATED CIRCUIT
YD2025
2.3W STEREO AUDIO AMPLIFIER YD2025
DESCRIPTION
The YD2025 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
16
Vcc
15
14
13 GND 12
11
10 9
Pre-GND
5k -
+
+
50 -
1
2
3
GND
45
6
7
8
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: 86-510-5205117 86-510-5205108 Fax: 86-510-5205110
Website: www.e-youda.com
SHENZHEN OFFICE Tel 86-755-83740369 13823533350 Fax 86-755-83741418
Ver 3.1
1 of 7
2004-9-20



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YD2025 pdf
YOUDA INTEGRATED CIRCUIT
YD2025
ABSOLUTE MAXIMUM RATINGS (Tamb=25 )
PARAMETER
Supply Voltage
Output Peak Current
Junction Temperature
Storage Temperature
SYMBOL
Vcc
Io
Tj
Tstg
VALUE
15
1.5
150
-40 +150
UNIT
V
A
Electrical CHARACTERISTICS
(Tamb=20 , Vcc=9V, f=1kHz, Stereo, Unless otherwise specified)
PARAMETER
Supply Voltage
Quiescent Current
Quiescent Output
Voltage
Voltage Gain
SYMBOL
Vcc
Iccq
Vo
Gv
Voltage Gain Difference
Input Impedance
Gv
Zi
Output Power
(STEREO)
Output Power
(BTL)
Distortion
Supply Voltage
Rejection
Input Noise Voltage
Po
(THD
=10%)
THD
RR
VNI
Cross-Talk
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 2.3
1.3
0.7 1
0.6
0.1
4.7
2.8
0.3 1.5
0.5
dB
dB
k
W
W
W
W
W
W
W
%
%
40 46
dB
1.5 3
V
36
V
40 55
dB
WuXi YouDa Electronics Co., Ltd
2 of 4
Website: www.e-youda.com



Part Number YD2025
Description 2.3W Stereo Audio Amplifier
Maker Wuxi Youda - Wuxi Youda
Total Page 4 Pages
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