ICs for Audio Common Use
AN7170
18W Audio Power Amplifier Circuit
s
Overview
The AN7170 is an integrated circuit manufactured by
high voltage process designed for power amplifier of bus,
track amplifier. Wide operating supply voltage range with
output of 18W at 26.4V. It can be widely used for bus,
truck amp., car stereo, home entertainment stereo set
and TV sound multiplex output.
15.0±0.3
3.6±0.2
5.85±0.25
1.0±0.2
11
10
9
8
7
6
5
4
3
2
1
2.54
Unit : mm
4.7±0.6
2.7±0.4
1.8R
30.0±0.3
24.0±0.3
1.26±0.25
s
Features
•
High output power : P
O
=18W
•
High surge voltage : V
CC (surge)
= 60V
(max.)
•
Wide supply voltage range : V
CC (opr)
= 8 ~ 35V
•
Incorporating protection circuits (overvoltage,
overcur-
5.5±0.3
0.95±0.25
7.5±0.3
3.5±0.25
0.1
0.35
+ 0.05
–
rent, temperature, load short)
•
Incorporating automatic operating point stabilizer circuit
•
Low distortion, low 1/f noise
0.35±0.25
11-Lead SIP Package (HSIP011-P-0000)
s
Block Diagram
V
CC
9
11
Ripple
Filter
Temperature
Compensation
Surge
Over Current
Protection
4
7
Input
Circuit
Driver
Circuit
Output
Circuit
1
GND 8
(Input)
6
5
3
GND (Output)
0.7±0.1
PANASONIC [ PANASONIC SEMICONDUCTOR ]
