AD5696/AD5694

Data Sheet

Rev. A | Page 2 of 24

TABLE OF CONTENTS

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

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

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

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

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

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

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

AC Characteristics........................................................................ 5

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

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

Thermal Resistance ...................................................................... 7

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

Pin Configurations and Function Descriptions ........................... 8

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

Terminology .................................................................................... 14

Theory of Operation ...................................................................... 16

Digital-to-Analog Converter .................................................... 16

Transfer Function ....................................................................... 16

DAC Architecture....................................................................... 16

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

Write and Update Commands.................................................. 18

I2C Slave Address........................................................................ 18

Serial Operation ......................................................................... 18

Write Operation.......................................................................... 18

Read Operation........................................................................... 19

Multiple DAC Readback Sequence .......................................... 19

Power-Down Operation............................................................ 20

Load DAC (Hardware LDAC Pin)........................................... 20

LDAC Mask Register ................................................................. 21

Hardware Reset Pin (RESET) ................................................... 21

Reset Select Pin (RSTSEL) ........................................................ 21

Applications Information .............................................................. 22

Microprocessor Interfacing....................................................... 22

AD5696/AD5694 to ADSP-BF531 Interface.......................... 22

Layout Guidelines....................................................................... 22

Galvanically Isolated Interface ................................................. 22

Outline Dimensions....................................................................... 23

Ordering Guide .......................................................................... 24

REVISION HISTORY

6/13—Rev. 0 to Rev. A

Changes to Pin GAIN and Pin RSTSEL Descriptions; Table 7....... 8

7/12—Revision 0: Initial Version