AD5445 查看數據表（PDF） - Analog Devices

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AD5445

8-/10-/12-Bit, High Bandwidth Multiplying DACs with Parallel Interface

Analog Devices 

AD5424/AD5433/AD5445

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 ............................................. 9

Terminology ................................................................................ 16

Theory of Operation ...................................................................... 17

Circuit Operation ....................................................................... 17

REVISION HISTORY

8/09—Rev. A to Rev. B

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

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

3/05—Rev. 0 to Rev. A

Updated Format................................................................ Universal

Changes to Specifications ...............................................................4

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

Changes to Figure 50.....................................................................18

Changes to Figure 51, Figure 52, and Figure 54 ........................19

Added Microprocessor Interfacing Section ...............................22

Added Figure 59.............................................................................24

Added Figure 60.............................................................................25

10/03—Initial Version: Revision 0

Bipolar Operation....................................................................... 18

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

Positive Output Voltage ............................................................. 19

Adding Gain................................................................................ 20

DACs Used as a Divider or Programmable Gain Element ... 20

Reference Selection .................................................................... 21

Amplifier Selection .................................................................... 21

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

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

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

Evaluation Board for the AD5424/AD5433/AD5445 ........... 23

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

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

Ordering Guide .......................................................................... 29

Rev. B | Page 2 of 32

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