Datasheet

AD5750/AD5750-1/AD5750-2 Data Sheet
Rev. E | 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/AD5750-2 ................... 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
6/12—Rev. D to Rev. E
Changes to Figure 3 .......................................................................... 9
Changes to Status Bit Read Operation Section ........................... 28
Updated Outline Dimensions ....................................................... 33
4/12—Rev. C to Rev. D
Added AD5750-2 ................................................................ Universal
Changes to Table 2 ............................................................................ 4
Updated Outline Dimensions ....................................................... 33
Changes to Ordering Guide .......................................................... 33
7/10—Rev. B to Rev. C
Added Leakage Current in Voltage Output Characteristics
Parameter (Table 2) .......................................................................... 5
Added Leakage Current in Current Output Characteristics
Parameter (Table 2) .......................................................................... 6
6/10—Rev. A to Rev. B
Changes to Table 1 ............................................................................ 1
Changes to Table 2, Power Requirements ..................................... 7
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