AD5761/AD5721

Data Sheet

Rev. C | Page 2 of 31

TABLE OF CONTENTS

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

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

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

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

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

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

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

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

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

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

Pin Configurations and Function Descriptions ........................... 9

Typical Performance Characterstics............................................. 10

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

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

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

Transfer Function ....................................................................... 21

DAC Architecture....................................................................... 21

Serial Interface ............................................................................ 22

Hardware Control Pins .............................................................. 22

Register Details ............................................................................... 24

Input Shift Register .................................................................... 24

Control Register ......................................................................... 24

Readback Control Register ....................................................... 26

Update DAC Register from Input Register ............................. 26

Readback DAC Register ............................................................ 26

Write and Update DAC Register .............................................. 27

Readback Input Register............................................................ 27

Disable Daisy-Chain Functionality.......................................... 27

Software Data Reset ................................................................... 28

Software Full Reset..................................................................... 28

No Operation Registers ............................................................. 28

Applications Information .............................................................. 29

Typical Operating Circuit ......................................................... 29

Power Supply Considerations................................................... 29

Evaluation Board ........................................................................ 29

Outline Dimensions ....................................................................... 31

Ordering Guide .......................................................................... 31

REVISION HISTORY

1/2018—Rev. B to Rev. C

Changes to Transfer Function Section......................................... 21

Change to DB[15:11] Column, Table 11 ..................................... 24

Change to RA[2:0] Description, Table 12 ................................... 25

Change to DB[15:13] Column, Table 15 ..................................... 26

Updated Outline Dimensions ....................................................... 31

Changes to Ordering Guide .......................................................... 31

4/2016—Rev. A to Rev. B

Changes to Features Section............................................................ 1

Changes to Typical Operating Circuit Section and Precision

Voltage Reference Section ............................................................. 29

5/2015—Rev. 0 to Rev. A

Added 16-Lead LFCSP Package .......................................Universal

Added Grade A Parameter, Table 2.................................................3

Added Figure 5, Renumbered Sequentially ...................................9

Changes to Table 6.............................................................................9

Changes to Figure 49...................................................................... 17

Changes to Power Supply Considerations Section .................... 30

Updated Outline Dimensions....................................................... 32

Changes to Ordering Guide .......................................................... 32

1/2015—Revision 0: Initial Version