AD5627R/AD5647R/AD5667R, AD5627/AD5667

Rev. 0 | Page 2 of 32

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

Functional Block Diagrams............................................................. 1

General Description ......................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

AC Characteristics........................................................................ 5

I2C Timing Specifications............................................................ 6

Absolute Maximum Ratings............................................................ 8

ESD Caution.................................................................................. 8

Pin Configuration and Function Descriptions............................. 9

Typical Performance Characteristics ........................................... 10

Terminology .................................................................................... 18

Theory of Operation ...................................................................... 20

D/A Section................................................................................. 20

Resistor String ............................................................................. 20

Output Amplifier........................................................................ 20

Internal reference........................................................................ 20

External reference....................................................................... 20

Serial Interface ............................................................................ 21

Write Operation.......................................................................... 21

Read Operation........................................................................... 21

High Speed Mode....................................................................... 21

Input Shift Register .................................................................... 23

Multiple Byte Operation............................................................ 23

Broadcast Mode.......................................................................... 23

LDAC Function .......................................................................... 23

Power-Down Modes .................................................................. 25

Power-On Reset and Software Reset ....................................... 26

Clear Pin (CLR) .......................................................................... 26

Internal Reference Setup (R Versions) .................................... 26

Application Information................................................................ 27

Using a Reference as a Power Supply for the

AD56x7R/AD56x7 ..................................................................... 27

Bipolar Operation Using the AD56x7R/AD56x7 .................. 27

Power Supply Bypassing and Grounding................................ 27

Outline Dimensions ....................................................................... 28

Ordering Guide .......................................................................... 29

REVISION HISTORY

1/07—Revision 0: Initial Version