AD5025/AD5045/AD5065

Data Sheet

Rev. A | Page 2 of 25

TABLE OF CONTENTS

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

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

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

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

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

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

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

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

Timing Characteristics ................................................................ 5

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

ESD Caution.................................................................................. 7

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

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

Terminology .................................................................................... 15

Theory of Operation ...................................................................... 17

Digital-to-Analog Converter .................................................... 17

DAC Architecture....................................................................... 17

Reference Buffer ......................................................................... 17

Output Amplifier........................................................................ 17

Serial Interface ............................................................................ 17

Input Register.............................................................................. 17

Standalone Mode........................................................................ 19

SYNC Interrupt .......................................................................... 19

Daisy-Chaining........................................................................... 19

Power-On Reset and Software Reset ....................................... 20

Power-Down Modes .................................................................. 20

Clear Code Register ................................................................... 21

LDAC Function........................................................................... 21

Power-Down Lockout................................................................ 22

Power Supply Bypassing and Grounding................................ 22

Microprocessor Interfacing....................................................... 23

Applications Information .............................................................. 24

Using a Reference as a Power Supply for the

AD5025/AD5045/AD5065 ....................................................... 24

Bipolar Operation Using the AD5025/AD5045/AD5065..... 24

Using the AD5025/AD5045/AD5065 with a

Galvanically Isolated Interface ................................................. 24

Outline Dimensions ....................................................................... 25

Ordering Guide .......................................................................... 25

REVISION HISTORY

8/2016—Rev. 0 to Rev. A

Change to Minimum SYNC High Times (Single Channel

Update) Parameter and Minimum SYNC High Time (All

Channel Update) Parameter, Table 4 ............................................. 5

10/2008—Revision 0: Initial Version