Pin Functions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Pin
VCC1
MUTE
VIN1
VG1
VO1+
VO1-
(NC)
(NC)
VO2-
VO2+
VG2
VIN2
REG_C
REG_B
RESET
CD
VIN3
VG3
VO3+
VO3-
(NC)
(NC)
VO4-
VO4+
VG4
VIN4
VREF
VCC2
LA6541NH
Description
Power supply (This pin is shorted to VCC2 (pin 28)
Output on/off control
Channel 1 input
Channel 1 input (Gain setting)
Channel 1 output (+)
Channel 1 output (-)
(This pin must not be used.)
(This pin must not be used.)
Channel 2 output (-)
Channel 2 output (+)
Channel 2 input (Gain setting)
Channel 2 input
Connect this pin to the external pnp transistor collector. (This is the 5 V regulator output)
Connect this pin to the external pnp transistor base.
Reset output
Connection for the reset delay time setting capacitor
Channel 3 input (Gain setting)
Channel 3 input (Gain setting)
Channel 3 output (+)
Channel 3 output (-)
(This pin must not be used.)
(This pin must not be used.)
Channel 4 output (-)
Channel 4 output (+)
Channel 4 input (Gain setting)
Channel 4 input (Gain setting)
Reference voltage input
Power supply (This pin is shorted to VCC1 (pin 1)
No.A0596-5/9