PSR-280/PSR-282
14
IC BLOCK DIAGRAM
µPC4570C (XC520A00)
Dual Operational Amplifier
DM: IC502
AM: IC810,820
µPD6379AGR (XR998A00)
D/A Converter
DM: IC501
1
2
3
4
-V
8
7
6
5
Output A
+V
Non-Inverting
Input A
-DC Voltage Supply
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
Inverting
Input A
+
-
+
-
1
2
3
4
L
OUT
8
7
6
5
V
DD
Ground
Lch analog
output
Power supply
Shift clock
Serial dat input
L/R clock
Voltage
reference
GND
REF
R
OUT
C
LK
SI
LR
CK
Rch analog
output
