MCP4902/4912/4922
DS22250A-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
Power-on
Reset
V
OUTA
V
OUTB
LDAC
Output
Gain
Logic
Gain
Logic
Output
Logic
SHDN
V
REF
A
V
REF
B
Buffer
Buffer
