AD5444 查看數據表（PDF） - Analog Devices

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AD5444

12-/14-Bit High Bandwidth Multiplying DACs with Serial Interface

Analog Devices 

AD5444/AD5446

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 Configuration and Function Descriptions............................. 7

Typical Performance Characteristics ............................................. 8

Terminology .................................................................................... 14

General Description ....................................................................... 15

DAC Section................................................................................ 15

REVISION HISTORY

4/07—Rev. B to Rev. C

Changes to Table 9.......................................................................... 19

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

4/06—Rev. A to Rev. B

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

Changes to General Description .................................................... 1

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

Changes to Figure 22...................................................................... 10

Changes to Figure 23...................................................................... 10

Changes to Table 9.......................................................................... 19

Changes to Table 12........................................................................ 27

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

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

Circuit Operation ....................................................................... 15

Single-Supply Applications ....................................................... 17

Adding Gain................................................................................ 17

Divider or Programmable Gain Element................................ 17

Amplifier Selection .................................................................... 18

Reference Selection .................................................................... 18

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

Microprocessor Interfacing....................................................... 21

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

Evaluation Board for the DAC ................................................. 23

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

Overview of AD54xx and AD55xx Current Output Devices... 27

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

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

4/05—Rev. 0 to Rev. A

Added AD5446 ...................................................................Universal

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

Changes to General Description .....................................................1

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

Inserted Figure 7; Renumbered Sequentially.................................9

Inserted Figure 9; Renumbered Sequentially.................................9

Inserted Figure 13; Renumbered Sequentially ........................... 10

Changes to Figure 22...................................................................... 11

Changes to Figure 23...................................................................... 11

Changes to Serial Interface............................................................ 20

Changes to Figure 44...................................................................... 20

Changes to Figure 45...................................................................... 20

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

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

10/04—Revision 0: Initial Version

Rev. C | Page 2 of 28

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