AD5678

Rev. A | Page 2 of 28

TABLE OF CONTENTS

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

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

Functional Block Diagram .............................................................. 1

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

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

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

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

AC Characteristics........................................................................ 7

Timing Characteristics ................................................................ 8

Absolute Maximum Ratings............................................................ 9

ESD Caution.................................................................................. 9

Pin Configuration and Function Descriptions........................... 10

Typical Performance Characteristics ........................................... 11

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

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

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

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

Internal Reference ...................................................................... 20

Output Amplifier........................................................................ 21

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

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

SYNC Interrupt .......................................................................... 22

Internal Reference Register ....................................................... 23

Power-On Reset.......................................................................... 23

Power-Down Modes .................................................................. 23

Clear Code Register ................................................................... 23

LDAC Function .......................................................................... 25

Power Supply Bypassing and Grounding................................ 25

Outline Dimensions ....................................................................... 26

Ordering Guide .......................................................................... 26

REVISION HISTORY

11/05—Rev. 0 to Rev. A

Change to General Description ...................................................... 1

Change to Specifications.................................................................. 3

Replaced Figure 48 ......................................................................... 22

Change to the Power-Down Modes Section ............................... 23

10/05—Revision 0: Initial Version