Datasheet

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
Te rmi n ol o g y .................................................................................... 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