AD5748 View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
'AD5748' PDF : 32 Pages View PDF
AD5748
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
Voltage Output............................................................................ 12
Current Output ........................................................................... 16
Terminology .................................................................................... 21
Theory of Operation ...................................................................... 22
Software Mode ............................................................................ 22
Current Output Architecture .................................................... 24
Driving Inductive Loads............................................................ 24
Power-On State of the AD5748 ................................................ 24
Default Registers at Power-On ................................................. 25
REVISION HISTORY
9/14—Rev. A to Rev. B
Change to Table 4 ............................................................................. 9
Change to Figure 4 ......................................................................... 10
Changes to Figure 44...................................................................... 19
Changes to Asynchronous Clear (CLEAR) Section................... 28
Changes to Thermal Considerations Section ............................. 30
Updated Outline Dimensions ....................................................... 32
Changes to Ordering Guide .......................................................... 32
5/10—Rev. 0 to Rev. A
Changes to Table 2, Power Requirements ..................................... 6
3/10—Revision 0: Initial Version
Data Sheet
Reset Function ............................................................................ 25
OUTEN........................................................................................ 25
Software Control ........................................................................ 25
Hardware Control ...................................................................... 27
Transfer Function ....................................................................... 27
Detailed Description of Features.................................................. 28
Output Fault Alert—Software Mode ....................................... 28
Output Fault Alert—Hardware Mode ..................................... 28
Voltage Output Short-Circuit Protection................................ 28
Asynchronous Clear (CLEAR) ................................................. 28
Current Setting Resistor ............................................................ 29
Packet Error Checking............................................................... 29
Applications Information .............................................................. 30
Transient Voltage Protection .................................................... 30
Thermal Considerations............................................................ 30
Layout Guidelines....................................................................... 30
Galvanically Isolated Interface ................................................. 31
Microprocessor Interfacing....................................................... 31
Outline Dimensions ....................................................................... 32
Ordering Guide .......................................................................... 32
Rev. B | Page 2 of 32
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