AD5697R

Data Sheet

Rev. B | Page 2 of 27

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

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

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

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

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

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

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

Transfer Function ....................................................................... 17

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

Serial Interface ............................................................................ 18

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

Serial Operation ......................................................................... 19

Write Operation.......................................................................... 19

Read Operation........................................................................... 20

Multiple DAC Readback Sequence .......................................... 20

Power-Down Operation............................................................ 21

Load DAC (Hardware LDAC Pin)........................................... 22

LDAC Mask Register ................................................................. 22

Hardware Reset (RESET) .......................................................... 23

Reset Select Pin (RSTSEL) ........................................................ 23

Internal Reference Setup ........................................................... 23

Solder Heat Reflow..................................................................... 23

Long-Term Temperature Drift ................................................. 23

Thermal Hysteresis .................................................................... 24

Applications Information .............................................................. 25

Microprocessor Interfacing....................................................... 25

AD5697R-to-ADSP-BF531 Interface ...................................... 25

Layout Guidelines....................................................................... 25

Galvanically Isolated Interface ................................................. 25

Outline Dimensions....................................................................... 26

Ordering Guide .......................................................................... 26

REVISION HISTORY

11/2016—Rev. A to Rev. B

Changes to Features Section and Table 1 ...................................... 1

Changes to Specifications Section.................................................. 3

Changes to AC Characteristics Section and Output Noise

Spectral Density Parameter, Table 3............................................... 5

Changes to Timing Characteristics Section.................................. 6

Changes to Table 5............................................................................ 7

Table 6 ................................................................................................ 8

Changes to Figure 7 and Figure 8................................................... 9

Changes to Figure 13 to Figure 16................................................ 10

Changes to Figure 17 to Figure 21................................................ 11

Changes to Figure 23, Figure 24, and Figure 27......................... 12

Changes to Figure 29 and Figure 34............................................. 13

Changes to Figure 35...................................................................... 14

Changes to Figure 44...................................................................... 20

Changes to Hardware Reset (RESET) Section............................ 23

Added Long-Term Temperature Drift Section and Figure 48;

Renumbered Sequentially ............................................................. 23

Changes to Ordering Guide.......................................................... 26

1/2014—Rev. 0 to Rev. A

Removed Long-Term Stability/Drift Parameter............................3

Removed Figure 7; Renumbered Sequentially ..............................9

Removed Long-Term Temperature Drift Section and Figure 49;

Renumbered Sequentially ............................................................. 23

2/2013—Revision 0: Initial Version