AD9481

Rev. 0 | Page 2 of 28

TABLE OF CONTENTS

DC Specifications ............................................................................. 3

Digital Specifications........................................................................ 4

AC Specifications.............................................................................. 5

Switching Specifications .................................................................. 6

Timing Diagram ........................................................................... 7

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

Explanation of Test Levels........................................................... 8

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

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

Terminology .................................................................................... 10

Typical Performance Characteristics ........................................... 12

Equivalent Circuits ......................................................................... 16

Applications..................................................................................... 17

Analog Inputs.............................................................................. 17

Voltage Reference ....................................................................... 17

Clocking the AD9481................................................................. 19

DS Inputs ..................................................................................... 19

Digital Outputs ........................................................................... 20

Interleaving Two AD9481s........................................................ 20

Data Clock Out........................................................................... 20

Power-Down Input..................................................................... 20

AD9481 Evaluation Board ............................................................ 21

Power Connector........................................................................ 21

Analog Inputs.............................................................................. 21

Gain.............................................................................................. 21

Optional Operational Amplifier............................................... 21

Clock ............................................................................................ 21

Optional Clock Buffer ............................................................... 21

DS ................................................................................................. 21

Optional XTAL ........................................................................... 22

Voltage Reference ....................................................................... 22

Data Outputs............................................................................... 22

Evaluation Board Bill of Materials (BOM) ................................. 23

PCB Schematics .............................................................................. 24

PCB Layers ...................................................................................... 26

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

Ordering Guide .......................................................................... 28

REVISION HISTORY

10/04—Revision 0: Initial Version