AD5750/AD5750-1

Rev. A | Page 2 of 36

TABLE OF CONTENTS

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

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

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

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

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

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

Timing Characteristics ................................................................ 8

Absolute Maximum Ratings.......................................................... 10

ESD Caution................................................................................ 10

Pin Configuration and Function Descriptions........................... 11

Typical Performance Characteristics ........................................... 13

Voltage Output............................................................................ 13

Current Output ........................................................................... 17

Terminology .................................................................................... 22

Theory of Operation ...................................................................... 23

Software Mode ............................................................................ 23

Current Output Architecture.................................................... 25

Driving Inductive Loads............................................................ 25

Power-On State of AD5750/AD5750-1 ................................... 25

Default Registers at Power-On ................................................. 26

Reset Function ............................................................................ 26

OUTEN........................................................................................ 26

Software Control ........................................................................ 26

Hardware Control ...................................................................... 28

Transfer Function....................................................................... 28

Detailed Description of Features.................................................. 29

Output Fault Alert—Software Mode ....................................... 29

Output Fault Alert—Hardware Mode ..................................... 29

Voltage Output Short-Circuit Protection................................ 29

Asynchronous Clear (CLEAR) ................................................. 29

External Current Setting Resistor ............................................ 30

Programmable Overrange Modes............................................ 30

Packet Error Checking............................................................... 30

Applications Information .............................................................. 31

Transient Voltage Protection .................................................... 31

Thermal Considerations............................................................ 31

Layout Guidelines....................................................................... 31

Galvanically Isolated Interface ................................................. 32

Microprocessor Interfacing....................................................... 32

Outline Dimensions ....................................................................... 33

Ordering Guide .......................................................................... 33

REVISION HISTORY

8/09—Rev. 0 to Rev. A

Added AD5750-1................................................................Universal

Changes to Features and General Description Sections.............. 1

Changes to Table 2............................................................................ 4

Changes to Theory of Operation Section and Figure 51........... 23

Change to Figure 52 and Table 6 Title ......................................... 24

Changes to Current Output Architecture Section and Power-On

State of AD5750/AD5750-1 .......................................................... 25

Changes to Transfer Function Section......................................... 28

Changes to Programmable Overrange Modes Section.............. 30

Changes to Ordering Guide .......................................................... 33

7/09—Revision 0: Initial Version