MCP4802/4812/4822
DS22249A-page 2 2010 Microchip Technology Inc.
Block Diagram
Op Amps
V
DD
V
SS
CS SDI SCK
Interface Logic
Input
Register A Register B
Input
DAC
A
Register Register
DAC
B
String
DAC
B
String
DAC
A
Output
Power-on
Reset
V
OUTA
V
OUTB
LDAC
Output
Gain
Logic
Gain
Logic
2.048V
V
REF
Logic
