AD5624R/AD5644R/AD5664R

Data Sheet

Rev. D | Page 2 of 28

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

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

 

AD5624R-5/AD5644R-5/AD5664R-5 ...................................... 3

 

AD5624R-3/AD5644R-3/AD5664R-3 ...................................... 4

 

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

 

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

 

Timing Diagram ........................................................................... 7

 

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

 

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

 

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

 

Typical Performance Characteristics........................................... 10

 

Terminology.................................................................................... 18

 

Theory of Operation ...................................................................... 20

 

Digital-to-Analog Section ......................................................... 20

 

Resistor String............................................................................. 20

 

Output Amplifier........................................................................ 20

 

Internal Reference...................................................................... 20

 

External Reference ..................................................................... 20

 

Serial Interface ............................................................................ 20

 

Input Shift Register .................................................................... 21

 

SYNC Interrupt .......................................................................... 21

 

Power-On Reset.......................................................................... 22

 

Software Reset............................................................................. 22

 

Power-Down Modes.................................................................. 22

 

LDAC Function .......................................................................... 23

 

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

 

Microprocessor Interfacing ...................................................... 24

 

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

 

Using a Reference as a Power Supply for the

AD5624R/AD5644R/AD5664R ............................................... 25

 

Bipolar Operation Using the AD5624R/AD5644R/AD5664R

....................................................................................................... 25

 

Using AD5624R/AD5644R/AD5664R with a Galvanically

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

 

Power Supply Bypassing and Grounding ............................... 26

 

Outline Dimensions....................................................................... 27

 

Ordering Guide .......................................................................... 28

 

REVISION HISTORY

6/2020—Rev. C to Rev. D

Change to Ordering Guide............................................................ 29

4/2013—Rev. B to Rev. C

Added 12-Ball WLCSP ..................................................... Universal

Changes to Features and Product Highlights Sections ............... 1

Change to Reference TC Parameter, Table 2 ............................... 3

Added Thermal Impedance, WLCSP Package (4-Layer Board),

Added Figure 4; Renumbered Sequentially .................................. 9

Changes to Figure 3 Caption and Table 7..................................... 9

Updated Outline Dimensions....................................................... 27

Changes to Ordering Guide.......................................................... 28

4/2008—Rev. A to Rev. B

Changes to Figure 50 ..................................................................... 20

Updated Outline Dimensions ...................................................... 27

Changes to Ordering Guide.......................................................... 28

11/2006—Rev. 0 to Rev. A

Changes to Reference Output Parameter in Table 2....................3

Changes to Reference Output Parameter in Table 3....................5

Added Note to Figure 3 ....................................................................9

4/2006—Revision 0: Initial Version