AD5044 查看數據表（PDF） - Analog Devices

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AD5044

Fully Accurate, 12-/14-/16-Bit VOUT nanoDAC, Quad, SPI Interface, 4.5 V to 5.5 V in TSSOP

Analog Devices 

AD5024/AD5044/AD5064

TABLE OF CONTENTS

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

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

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

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

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

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

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

AC Characteristics........................................................................ 5

Timing Characteristics ................................................................ 6

Absolute Maximum Ratings............................................................ 7

ESD Caution.................................................................................. 7

Pin Configuration and Function Descriptions............................. 8

Typical Performance Characteristics ............................................. 9

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

Theory of Operation ...................................................................... 18

DAC Section................................................................................ 18

DAC Architecture....................................................................... 18

Reference Buffer ......................................................................... 18

REVISION HISTORY

8/08—Revision 0: Initial Version

Output Amplifier........................................................................ 18

Serial Interface ............................................................................ 18

Standalone Mode........................................................................ 18

Input Shift Register .................................................................... 19

SYNC Interrupt .......................................................................... 19

Power-On Reset .......................................................................... 20

Power-Down Modes .................................................................. 20

Clear Code Register ................................................................... 21

LDAC Function .......................................................................... 21

Power Supply Bypassing and Grounding ................................ 21

Microprocessor Interfacing....................................................... 23

Applications..................................................................................... 24

Using a Reference as a Power Supply....................................... 24

Bipolar Operation....................................................................... 24

Using the AD5024/AD5044/AD5064 with a

Galvanically Isolated Interface ................................................. 24

Outline Dimensions ....................................................................... 25

Ordering Guide .......................................................................... 25

Rev. 0 | Page 2 of 28

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