AD5627R/AD5647R/AD5667R, AD5627/AD5667

Preliminary Technical Data

Rev. PrA. | Page 2 of 30

TABLE OF CONTENTS

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

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

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

Product Highlights................................................................1

Table1. Related Devices ........................................................2

TABLE OF CONTENTS ......................................................2

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

AC Characteristics ................................................................4

Absolute Maximum Ratings ................................................7

Pin Configuration and Function Descriptions..................8

Typical Performance Characteristics ..................................9

Terminology...........................................................................17

Theory of Operation .............................................................19

D/A Section............................................................................19

Resistor String........................................................................19

Output Amplifier...................................................................19

Internal Reference .................................................................19

External Reference ................................................................19

Serial Interface .......................................................................19

Write Operation.....................................................................20

Read Operation......................................................................20

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

Multiple Byte Write ...............................................................21

Broadcast Mode .....................................................................22

Input Shift Register................................................................22

Write Commands and LDAC...............................................23

LDAC Setup............................................................................23

Power-Down Modes..............................................................24

Power-on Reset and Software Reset ....................................25

Internal Reference Setup.......................................................25

Clear Pin (CLR) .....................................................................25

Applications............................................................................26

Using A Reference as Power Supply ....................................26

Bipolar Operation..................................................................26

Power Supply Bypassing and Grounding ...........................26

Outline Dimensions ..............................................................27

Ordering Information ...........................................................28

REVISION HISTORY

4/06—Revision 0: Initial Version