AD5428/AD5440/AD5447

Data Sheet

Rev. D | Page 2 of 32

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

Timing Characteristics ................................................................ 5

 

Absolute Maximum Ratings............................................................ 6

 

ESD Caution.................................................................................. 6

 

Pin Configurations and Function Descriptions ........................... 7

 

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

 

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

 

General Description ....................................................................... 16

 

DAC Section................................................................................ 16

 

Circuit Operation ....................................................................... 16

 

Single-Supply Applications ....................................................... 19

 

Adding Gain................................................................................ 19

 

Divider or Programmable Gain Element................................ 20

 

Reference Selection .................................................................... 20

 

Amplifier Selection .................................................................... 20

 

Parallel Interface......................................................................... 22

 

Microprocessor Interfacing....................................................... 22

 

PCB Layout and Power Supply Decoupling ........................... 23

 

Evaluation Board for the AD5447............................................ 23

 

Power Supplies for the Evaluation Board................................ 23

 

Bill of Materials............................................................................... 27

 

Overview of Multiplying DAC Devices....................................... 28

 

Outline Dimensions ....................................................................... 29

 

Ordering Guide .......................................................................... 30

 

REVISION HISTORY

1/16—Rev. C. to Rev. D

Changed ADSP-21xx to ADSP-2191M ......................... Throughout

Changed ADSP-BF5xx to ADSP-BF534..................... Throughout

Deleted Positive Output Voltage Section and Figure 41............ 19

Changes to Adding Gain Section ................................................. 19

Changes to Ordering Guide .......................................................... 30

8/11—Rev. B to Rev. C

Changes to CS Pin Description, Table 6 ........................................ 9

3/11—Rev. A to Rev. B

Changes to Evaluation Board For the AD5447 Section ............ 23

Changes to Figure 47 Caption....................................................... 24

Changes to Figure 49...................................................................... 25

Change to U1 Description in Table 12......................................... 27

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

7/05—Rev. 0 to Rev. A

Changed Pin DAC A/B to DAC A/B................................Universal

Changes to Features List .................................................................. 1

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

Changes to Timing Characteristics ................................................ 5

Change to Figure 2 ........................................................................... 5

Change to Absolute Maximum Ratings Section ...........................6

Change to Figure 13, Figure 14, and Figure 18........................... 11

Change to Figure 32 Through Figure 34 ..................................... 14

Changes to General Description Section .................................... 16

Changes to Figure 37...................................................................... 16

Changes to Single-Supply Applications Section......................... 19

Changes to Figure 40 Through Figure 42.................................... 19

Changes to Divider or Programmable Gain Element Section .... 20

Changes to Figure 43...................................................................... 20

Changes to Table 9 Through Table 11 ......................................... 21

Changes to Microprocessor Interfacing Section ........................ 22

Added Figure 44 Through Figure 46 ........................................... 22

Added 8xC51-to-AD5428/AD5440/AD5447

Interface Section ........................................................................ 22

Added ADSP-BF5xx-to-AD5428/AD5440/AD5447

Interface Section ........................................................................ 22

Changes to Power Supplies for the Evaluation Board Section.... 23

Changes to Table 13 ....................................................................... 28

Updated Outline Dimensions....................................................... 29

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

7/04—Revision 0: Initial Version