AD9725

Preliminary Technical Data

Rev. PrA | Page 2 of 16

TABLE OF CONTENTS

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

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

AC Specifications.......................................................................... 4

Digital Specifications ................................................................... 5

Digital Timing Information ........................................................ 5

Absolute Maximum Ratings............................................................ 6

Pin Configuration and Function Description .............................. 7

Serial Port Interface Register Maps ................................................ 9

Definitions ....................................................................................... 11

Typical Performance Curves ......................................................... 12

Theory of Operation ...................................................................... 13

LVDS Inputs ................................................................................ 13

Data Synchronization Circuitry ............................................... 13

Internal Reference and Full-Scale Output Current................ 13

Analog Output ............................................................................ 14

SPI Port Control ......................................................................... 14

General Operation of the Serial Port Interface ...................... 14

Instruction Byte .......................................................................... 14

Serial Port Interface Pin Description....................................... 14

Notes on Serial Port Operation ................................................ 15

Outline Dimension......................................................................... 16

Ordering Guide .......................................................................... 16