AD3531 datasheet(2/44 Pages) AD

2 / 44 page

Data Sheet

AD3531/AD3531R

TABLE OF CONTENTS

analog.com

Rev. 0 | 2 of 44

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

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

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

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

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

Electrical Characteristics.................................... 3

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

Timing Characteristics........................................6

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

Thermal Resistance........................................... 8

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

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

Typical Performance Characteristics................... 10

Terminology......................................................... 20

Theory of Operation.............................................21

Digital-to-Analog Converter.............................. 21

Voltage Reference ...........................................21

Integrated Multiplexer.......................................21

DAC Core Functions........................................ 22

Power-On Reset...............................................22

Serial Interface................................................. 23

CRC Error Detection........................................ 25

Applications Information...................................... 26

Power Supply Recommendations.................... 26

Layout Guidelines.............................................26

DAC Update..................................................... 26

Headroom and Footroom................................. 29

Interface Configuration A Register................... 32

Interface Configuration B Register................... 32

Device Configuration Register..........................32

Chip Type Register...........................................33

Product ID Low Register.................................. 33

Product ID High Register..................................33

Chip Grade Register.........................................34

Scratch Pad Register....................................... 34

SPI Revision Register...................................... 34

Vendor ID Low Register................................... 34

Vendor ID High Register...................................35

Stream Mode Register..................................... 35

Transfer Configuration Register....................... 35

Interface Configuration C Register................... 36

Interface Status A Register.............................. 36

Output Operating Mode 0 Register.................. 37

Output Control 0 Register.................................37

Reference Control 0 Register...........................38

Multiplexer Input Select 0 Register...................38

Status Control Register.................................... 39

Hardware LDAC Enable 0 Register..................39

Software LDAC Enable 0 Register................... 40

DAC Register................................................... 40

Multiple DAC Register...................................... 41

Multiple DAC Select 0 Register........................ 41

Software LDAC Trigger 0 Register...................41

Multiple Input Register......................................42

Multiple Input Select 0 Register........................42

Software LDAC Trigger 0 Register...................43

Input Register...................................................43

Outline Dimensions............................................. 44

Ordering Guide.................................................44

Evaluation Board..............................................44

REVISION HISTORY

4/2025—Revision 0: Initial Version

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