AD5696R/AD5695R/AD5694R

Data Sheet

Rev. D | Page 2 of 29

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

 

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

 

Terminology .................................................................................... 16

 

Theory of Operation ...................................................................... 18

 

Digital-to-Analog Converter .................................................... 18

 

Transfer Function ....................................................................... 18

 

DAC Architecture....................................................................... 18

 

Serial Interface ............................................................................ 19

 

Write and Update Commands.................................................. 20

 

Serial Operation ......................................................................... 21

 

Write Operation.......................................................................... 21

 

Read Operation........................................................................... 22

 

Multiple DAC Readback Sequence .......................................... 22

 

Power-Down Operation ............................................................ 23

 

Load DAC (Hardware LDAC Pin) ........................................... 24

 

LDAC Mask Register ................................................................. 24

 

Hardware Reset (RESET) .......................................................... 25

 

Reset Select Pin (RSTSEL) ........................................................ 25

 

Internal Reference Setup ........................................................... 25

 

Solder Heat Reflow..................................................................... 25

 

Long-Term Temperature Drift ................................................. 25

 

Thermal Hysteresis .................................................................... 26

 

Applications Information .............................................................. 27

 

Microprocessor Interfacing....................................................... 27

 

AD5696R/AD5695R/AD5694R to ADSP-BF531 Interface .... 27

 

Layout Guidelines....................................................................... 27

 

Galvanically Isolated Interface ................................................. 27

 

Outline Dimensions ....................................................................... 28

 

Ordering Guide .......................................................................... 29

REVISION HISTORY

4/2017—Rev. C to Rev. D

Changes to Features Section............................................................ 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 18 to Figure 22................................................ 11

Changes to Figure 23 to Figure 26 and Figure 28 ...................... 12

Changes to Figure 29, Figure 32, and Figure 34 ......................... 13

Changes to Figure 39 and Figure 40............................................. 14

Changes to Figure 50...................................................................... 21

Changes to Figure 51...................................................................... 22

Changes to Hardware Reset (RESET) Section............................ 25

Added Long-Term Temperature Drift Section and Figure 55;

Renumbered Sequentially ...................................................................25

Changes to Ordering Guide................................................................29

5/2014—Rev. B to Rev. C

Deleted Long-Term Stability Drift Parameter, Table 1.................4

Deleted Figure 8; Renumbered Sequentially .................................9

Changes to Read Operation Section and Figure 51................... 22

Deleted Long-Term Temperature Drift Section......................... 25

6/2013—Rev. A to Rev. B

Changes to Pin GAIN and Pin RSTSEL Descriptions; Table 6 ...8

11/2012—Rev. 0 to Rev. A

Changes to Table 1.............................................................................1

Changes to Table 4.............................................................................6

Changes to Figure 10.........................................................................9

Changes to Figure 33...................................................................... 13

Changes to Serial Interface Section.............................................. 19

Changes to Figure 52...................................................................... 22

4/2012—Revision 0: Initial Version