AD5722 Ver la hoja de datos (PDF) - Analog Devices

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AD5722

Complete, Dual, 12-/14-/16-Bit, Serial Input, Unipolar/Bipolar, Voltage Output DACs

Analog Devices 

AD5722/AD5732/AD5752

TABLE OF CONTENTS

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

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

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

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

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

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

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

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

Timing Diagrams.......................................................................... 6

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

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

Pin Configuration and Function Descriptions............................. 9

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

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

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

Architecture................................................................................. 18

Power-Up Sequence ................................................................... 18

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

Load DAC (LDAC)..................................................................... 20

Asynchronous Clear (CLR)....................................................... 20

Configuring the AD5722/AD5732/AD5752 .......................... 20

REVISION HISTORY

2/2017—Rev. E to Rev. F

Added Power-Up Sequence Section............................................. 18

Changes to Table 7 and Table 8..................................................... 21

Changes to Table 10 and Table 11 ................................................ 22

Changes to Table 13 and Table 14 ................................................ 23

Changes to Analog Output Control Section............................... 27

Added Alternative Power-Up Sequence Support Section,

Figure 43, and Figure 44; Renumbered Sequentially ................. 28

2/2016—Rev. D to Rev. E

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

7/2011—Rev. C to Rev. D

Changes to Table 3: t7, t8, t10 Limits......................................................5

Data Sheet

Transfer Function ....................................................................... 20

Input Shift Register .................................................................... 24

DAC Register .............................................................................. 25

Output Range Select Register ................................................... 25

Control Register ......................................................................... 26

Power Control Register ............................................................. 26

Design Features............................................................................... 27

Analog Output Control ............................................................. 27

Power-Down Mode .................................................................... 27

Overcurrent Protection ............................................................. 27

Thermal Shutdown .................................................................... 27

Applications Information .............................................................. 28

+5 V/±5 V Operation ................................................................ 28

Alternative Power-Up Sequence Support ............................... 28

Layout Guidelines....................................................................... 28

Galvanically Isolated Interface ................................................. 29

Voltage Reference Selection ...................................................... 29

Microprocessor Interfacing....................................................... 29

Outline Dimensions ....................................................................... 31

Ordering Guide .......................................................................... 31

3/2011—Rev. B to Rev. C

Changes to Configuring the AD5722/AD5732/AD5752 Section..20

8/2010—Rev. A to Rev. B

Changes to Table 27 ....................................................................... 26

5/2010—Rev. 0 to Rev. A

Changes to Junction Temperature, TJ max Parameter, Table 4 ...8

Changes to Exposed Paddle Description, Table 5.........................9

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

10/08—Revision 0: Initial Version

Rev. F | Page 2 of 31

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