AD5761R/AD5721R

Data Sheet

TABLE OF CONTENTS

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

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

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

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

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

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

AC Performance Characteristics ................................................ 6

Timing Characteristics ................................................................ 7

Timing Diagrams.......................................................................... 7

Absolute Maximum Ratings............................................................ 9

ESD Caution.................................................................................. 9

Pin Configurations and Function Descriptions ......................... 10

Typical Performance Characterstics............................................. 12

Terminology .................................................................................... 23

Theory of Operation ...................................................................... 25

Digital-to-Analog Converter .................................................... 25

Transfer Function ....................................................................... 25

DAC Architecture....................................................................... 25

Serial Interface ............................................................................ 26

Hardware Control Pins.............................................................. 26

Thermal Hysteresis .................................................................... 27

Register Details ............................................................................... 28

Input Shift Register .................................................................... 28

Control Register ......................................................................... 29

Readback Control Register ....................................................... 30

Update DAC Register from Input Register............................. 31

Readback DAC Register ............................................................ 31

Write and Update DAC Register.............................................. 31

Readback Input Register............................................................ 32

Disable Daisy-Chain Functionality.......................................... 32

Software Data Reset ................................................................... 32

Software Full Reset..................................................................... 33

No Operation Registers ............................................................. 33

Applications Information .............................................................. 34

Typical Operating Circuit ......................................................... 34

Power Supply Considerations................................................... 34

Evaluation Board ........................................................................ 34

Outline Dimensions....................................................................... 35

Ordering Guide .......................................................................... 35

REVISION HISTORY

5/15—Rev. 0 to Rev. A

Added LFCSP Package.......................................................Universal

Changes to Table 1............................................................................ 3

Changes to Table 2............................................................................ 6

Changes to Table 4............................................................................ 9

Added Figure 6 and Table 6; Renumbered Sequentially ........... 11

Changes to Figure 21 to Figure 24................................................ 14

Changes to Figure 35...................................................................... 16

Changes to Figure 37...................................................................... 17

Changes to Figure 50...................................................................... 19

Changes to Figure 58 to Figure 60................................................ 20

Changes to Figure 61 to Figure 66................................................ 21

Changes to Figure 69...................................................................... 22

Added Figure 71 ............................................................................. 22

Changes to Terminology Section ................................................. 23

Changes to Digital-to-Analog Converter Section and Internal

Reference Section ........................................................................... 25

Changes to Asynchronous Clear Function (CLEAR) Section...... 27

Changes to Table 12 ....................................................................... 29

Changes to Power Supply Considerations Section and

Figure 77 .......................................................................................... 34

Added Figure 79 ............................................................................. 35

Updated Outline Dimensions....................................................... 35

Changes to Ordering Guide.......................................................... 35

11/14—Revision 0: Initial Version

Rev. A | Page 2 of 35