AD5751

Data Sheet

Rev. D | Page 2 of 32

TABLE OF CONTENTS

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

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

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

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

Functional Block Diagram .............................................................. 3

Specifications..................................................................................... 4

Timing Characteristics ................................................................ 7

Absolute Maximum Ratings............................................................ 9

ESD Caution.................................................................................. 9

Pin Configuration and Function Descriptions........................... 10

Typical Performance Characteristics ........................................... 12

Current Output........................................................................... 15

Terminology .................................................................................... 20

Theory of Operation ...................................................................... 21

Software Mode ............................................................................ 21

Currrent Output Architecture .................................................. 23

Driving Inductive Loads............................................................ 23

Power-On State of the AD5751 ................................................ 23

Default Registers at Power-On ................................................. 24

Reset Function ............................................................................ 24

OUTEN........................................................................................ 24

Software Control ........................................................................ 24

Hardware Control ...................................................................... 26

Transfer Function....................................................................... 26

Detailed Description of Features.................................................. 27

Output Fault Alert—Software Mode ....................................... 27

Output Fault Alert—Hardware Mode ..................................... 27

Voltage Output Short-Circuit Protection................................ 27

Asynchronous Clear (CLEAR)................................................. 27

External Current Setting Resistor ............................................ 27

Programmable Overrange Modes............................................ 28

Packet Error Checking............................................................... 28

Applications Information .............................................................. 29

Transient Voltage Protection .................................................... 29

Thermal Considerations............................................................ 29

Layout Guidelines....................................................................... 30

Galvanically Isolated Interface ................................................. 30

Microprocessor Interfacing....................................................... 30

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

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

REVISION HISTORY

1/2018—Rev. C to Rev. D

Changed CP-32-7 to CP-32-2 ...................................... Throughout

Changes to Figure 4........................................................................ 10

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

Changes to Ordering Guide .......................................................... 31

3/2017—Rev. B to Rev. C

Changed CP-32-2 to CP-32-7 ...................................... Throughout

Changes to Figure 4........................................................................ 10

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

Changes to Ordering Guide .......................................................... 31

10/2013—Rev. A to Rev. B

Changed Thermal Impedance from 28°C/W to 42°C/W

(Throughout) .....................................................................................9

Added Endnote 1 to Table 4.............................................................9

Changes to Table 12 Calculations................................................. 29

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

5/2010—Rev. 0 to Rev. A

Changes to Table 2, Power Requirements ......................................6

10/2009—Revision 0: Initial Version