Microchip Technology ADM00317 Data Sheet

Microchip Technology

MCP4706/4716/4726

DS22272C-page 2

© 2011-2012 Microchip Technology Inc.

Block Diagram

V

DD

V

SS

SCL

SDA

V

OUT

DAC

Register

EEPROM

PD1:PD0

Op

Amp

I

2

C

™

I

n

ter

fac

e L

o

gi

c

V

RL

1k

Ω

12

5

k

Ω

64

0

k

Ω

V

DD

Buffer

Gain (1x or 2x)

(G = 0 or 1)

R

e

s

ist

or L

add

er

R

e

fe

re

nc

e

V

REF1

:V

REF0

Sel

e

c

tio

n

Control

Logic

V

REF

V

W

PD1:PD0