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Datasheet: YD2025H (No company)

2.4W STEREO AUDIO AMPLIFIER

 

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No company
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
1
2
3
4
5
6
7
8
9
10
11
12
-
+
+
-
5k
50
RIPPLE FILTER
TAB
TAB
Pre-GND
Vcc

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 Tel 86-755-83740369 Fax 86-755-83741418
Ver 5.0 1 of 4 2006-06-28
YOUDA INTEGRATED CIRCUIT
YD2025H
ABSOLUTE MAXIMUM RATINGS
(Tamb=25)
PARAMETER
SYMBOL VALUE UNIT
Supply Voltage
Vcc
15
V
Output Peak Current
Iop
1.5
A
80*60*1.2mm
3
PCB P
D
3.5 W
Power
Dissipation
No Heat Sink
P
D
1.6 W
Ambient operating temperature range
Topr
-20+75
Storage Temperature
Tstg
-40+150
Electrical CHARACTERISTICS
(Tamb=20, Vcc=9V,
f=1kHz, Stereo, Unless otherwise specified)
PARAMETER SYMBOL TEST
CONDITIONS NIN
TYP
MAX
UNIT
Supply Voltage
Vcc
3
12
V
Quiescent Current
Iccq
40
50
mA
Quiescent Output
Voltage
Vo
4.5 V
Stereo
43 45 47
Voltage Gain
Gv
Bridge
49 51 53
dB
Voltage Gain Difference
Gv
1
dB
Input
Impedance
Zi
30 k
Vcc=9V, R
L
=4 1.7
2.4
Vcc=9V, R
L
=8
1.3
Vcc=6V, R
L
=4 0.7
1.0
Vcc=6V, R
L
=8
0.6
Output Power
(STEREO)
Vcc=3V, R
L
=4
0.1
Vcc=9V, R
L
=8
4.7
Output Power
(BTL)
Po
(THD
=10%)
Vcc=6V, R
L
=4
2.8
W
Stereo ,R
L
=4, Po=250mW
0.3
1.5
Distortion THD
BTL,R
L
=4,
Po=250mW 0.5
%
Supply Voltage
Rejection
RR
Rg=0, G
V
=45dB,
Vr=150mV, f=100Hz
40 46 dB
Rg=0
1.5
3
Input Noise Voltage
V
NI
G
V
=45dB,
BPF=20Hz
20kHz
Rg=10k 3 6
V
Cross-Talk CT
Rg=10k, f=1kHz,
R
L
=4, Po=1W
40 55 dB





WuXi YouDa Electronics Co., Ltd 2 of4 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD2025H
APPLICATION CIRCUIT
(1) YD2025H TYPE APPLICATION
12
6
4
5
8
9
+
100
+
2.2
+
100
+
2.2
+
470 0.1
+
100
Vcc
IN 1
IN 2
2
3
10
+
100
+
470
0.15
RL
11
+
100
+
470
0.15
RL
1
+
_
_
+
7
TAB

(2) YD2025H BTL APPLICATION
12
7
6
4
6
8
9
+
100
+
100
+
2.2
+
470
+
100
Vcc
IN
1
2
3
10
+
100
0.15
11
+
100
0.15
RL
+
_
_
+
TAB




WuXi YouDa Electronics Co., Ltd 3 of 4 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD2025H
OUTLINE DRAWING







WuXi YouDa Electronics Co., Ltd 4 of 4 Website: www.e-youda.com
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