ICs for Audio Common Use
1
AN5276
5 W · 2-ch (19V, 8 W ) power amplifier with
variable audio output and volume control
n Overview
The AN5276 is a monolithic integrated circuit designed
for 5.0 W (19 V, 8 W ) output audio power amplifier. It is
a dual channel SEPP IC suitable for stereo operation in
TV application.
n Features
• Few external components :
• No Boucherot cells(output C, R)
• No Bootstrap Capacitors
• No Negative Feeback Capacitors
• Built-in muting circuit
• Built-in stand-by circuit
• Built-in various protection circuits
(Load-short, thermal, over-voltage and current)
• High ripple rejection(55 dB)
• Compatible with AN5275, AN5277
• Operating voltage range 10 V to 24 V(19 V typ.)
HSIP012-P-0000A
Unit : mm
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
N.C.
1
Ch.1 In
2
RF
3
GND
(Input)
4
Ch.2 In
5
N.C.
6
Out Ch.2
7
Mute
8
GND
(Output)
9
V
CC
10
Standby
11
Out Ch.1
12
Att. ConAtt.
Ripple
filter
Protection circuit
• Temperature
• Over-voltage
• Over-current
• Load short
n Applications
• TV