ICs for Audio Common Use
1
AN5273
4.0 W · 2 (18 V, 8 W ) Power Amplifier with
Mute Function and Volume Control
n Overview
The AN5273 is a monolithic integrated circuit designed
for 4.0 W (18 V, 8 W ) output audio power amplifier. It is
a dual channel SEPP IC suitable for stereo operation in
TV application.
n Features
• Built-in DC volume control
• Built-in mute circuit
• Built-in thermal protection circuit
• Built-in over current protection circuit
• V
CC
operating range : 12.2 V to 27.5 V
n Applications
• TV
HSIP012-P-0000A
Unit : mm
Mute
1
In1
2
V
ol.
3
N.C.
4
In2
5
RF
6
Out2
7
NF2
8
GND
9
V
CC
10
NF1
11
Out1
12
Volume
Ripple
filter
Over
current
thermal
protection
circuit
7.7– 0.3
(12.5)
19.1– 0.3
21.9– 0.3
(1.2)
(10.0)
(10.0)
29.6
–
0.3
20.0
–
0.3
0.6
28.0
–
0.3
29.75
–
0.30
f 3.6
R1.8
0.6
(1.27)
(1.27)
(1.3)
12
1
+0.15 –0.05
2.54
0.25
1.45
–
0.15
1.80
–
0.15
1.2
–
0.1
3.5
–
0.3
+0.10 –0.05
n Block Diagram