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Datasheet: YD7368 (No company)

0. 72W AUDIO POWER AMPLIFIER

 

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No company
YOUDA INTEGRATED CIRCUIT
YD7368
0.
72W AUDIO POWER AMPLIFIER--YD7368
DESCRIPTION
The YD7368 is suitable for audio power amplifier of portable cassette tape recorder and radio.
FEATURES
*Very few external components (only three capacitors);
*Low quiescent current;
*High voltage gain: Gv=40dB;
BLOCK DIAGRAM
1
3
2
8
4
7
6
5
FILTER
+
-
9
GND
GND
PHASE
FIL
NC 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 3 2006-06-28
YOUDA INTEGRATED CIRCUIT
YD7368
ABSOLUTE MAXIMUM RATINGS (
Tamb=25)
PARAMETER SYMBOL
VALUE
UNIT
Supply Voltage
Vcc
14
V
Output Peak Current
Iop
1.5
A
Power dissipation
P
D
900 mW
Operating Temperature
Topr
-20 to +75
Storage Temperature
Tstg
-55 to 150
ELECTRICAL CHARACTERISTICS
(Tamb=25Vcc=6V R
L
=4Rg=600f=1kHzUnless otherwise specified)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
Vcc=3V, Vi=0
5.5
Vcc=6V, Vi=0
6.6
Quiescent Circuit
Current
Iccq
Vcc=9V, Vi=0
7.5
mA
Vcc=3V, R
L
=4, THD=10%
120
Vcc=6V, R
L
=4, THD=10%
500
720
Vcc=6V, R
L
=8, THD=10%
300
450
Vcc=9V, R
L
=8, THD=10%
800
1100
Output Power
Po
Vcc=9V, R
L
=16, THD=10%
450
610
mW
Total Harmonic
Distortion
THD
Po=100mW
0.3
1.0
%
Voltage Gain
Gv
Vo=0.5mVrms
37
40
43
dB
Output Noise Voltage
V
NO
R
G
=10k, BPF=20Hz~20kHz
0.2
0.5
mV
Ripple Rejection
RR
f=100Hz, Vr=0.3Vrms,
without Crip
25 dB
Input Resistance
Zi
27
k



WuXi YouDa Electronics Co., Ltd 2 of 3 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD7368
APPLICATION CIRCUIT
+
100
+
47
+
100
0.01
+
220
0.1
+
470
SPEAKER
1
3
2
8
4
7
6
5
FILTER
+
-
VCC
9
OUTLINE DRAWING


WuXi YouDa Electronics Co., Ltd 3 of 3 Website: www.e-youda.com
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