Datasheet

ManualsBrandsANALOG DEVICES ManualsData collecting ICsData acquisition IC - DA converter (DAC) LQFP 100

Data Sheet AD5381

Rev. D | Page 29 of 40

1 0 1 0 1 AD1 AD0 R/W 0 0 A5 A4 A3 A2 A1 A0

SCL

SDA

SCL

SDA

START COND

BY MASTER

ACK BY

AD538x

ACK BY

AD538x

ADDRESS BYTE

MOST SIGNIFICANT BYTE LEAST SIGNIFICANT BYTE

POINTER BYTE

MSB ACK BY

AD538x

ACK BY

AD538x

STOP

COND

BY

MASTER

REG1 REG0 MSB LSB MSB LSB

03732-031

Figure 31. 4-Byte AD5381, I

2

C Write Operation

SCL

SDA

SDA

SCL

SDA

SCL

SDA

SCL

START COND

BY MASTER

ACK BY

AD538x

MSB

ADDRESS BYTE POINTER BYTE FOR CHANNEL "N"

MOST SIGNIFICANT DATA BYTE

POINTER BYTE FOR CHANNEL "NEXT CHANNEL"

LEAST SIGNIFICANT DATA BYTE

MOST SIGNIFICANT DATA BYTE LEAST SIGNIFICANT DATA BYTE

ACK BY

AD538x

ACK BY

AD538x

DATA FOR CHANNEL "N"

DATA FOR CHANNEL "NEXT CHANNEL"

ACK BY

AD538x

1

0 0 A5 A4 A3 A2 A1 A0

0 1 0 0 0 A5 A4 A3 A2 A1 A01 AD1 AD0 R/W

REG1 REG0 MSB LSB MSB LSB

MSB ACK BY

AD538x

ACK BY

AD538x

ACK BY

AD538x

STOP COND

BY MASTER

REG1 REG0 MSB LSB MSB LSB

Figure 32. 3-Byte AD5381, I

2

C Write Operation