an7555z Panasonic Corporation of North America, an7555z Datasheet - Page 2

• Manufacturer Part Number: an7555z
• Description: Btl Output Power Ic For Car Audio
• Manufacturer: Panasonic Corporation of North America

AN7555Z
2
Note) It is not necessary to connect capacitor and resistor for stopping the oscillation at the output terminals.
Pin No.
Block Diagram
Pin Descriptions
GND (output)
GND (output)
10
11
12
13
1
2
3
4
5
6
7
8
9
Use them after check if necessary for noise countermeasure.
Ch.4
GND (ch.4 output)
Ch.4
Supply voltage V
Ch.3
GND (ch.3 output)
Ch.3
GND (ch.3 output)
Ch.2 + output
AUX input
Ch.2
Supply voltage Vcc
Ch.1
25
1
2
3
5
6
7
output
output
output
output
output
output
Description
Attenuator
CC
Attenuation
Protection
control
Ripple
circuit
Beep
input
filter
Pin No.
14
15
16
17
18
19
20
21
22
23
24
25
AUX
input
GND (ch.1 output)
Ch.1
Standby
Ch.1 input
Beep input
Ch.2 input
GND (input)
Ch.4 input
GND (printed circuit board)
Ch.3 input
Muting
Ripple filter
ICs for Audio Common Use
Attenuator
output
Description
16
11
13
14
15
9
8
GND (output)
GND (output)