AD5372/AD5373
TABLE OF CONTENTS
Features .............................................................................................. 1
Reference Selection .................................................................... 17
Calibration................................................................................... 18
Additional Calibration............................................................... 19
Reset Function............................................................................ 19
Clear Function............................................................................ 19
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
General Description......................................................................... 3
Specifications..................................................................................... 4
AC Characteristics........................................................................ 5
Timing Characteristics ................................................................ 6
Absolute Maximum Ratings............................................................ 9
ESD Caution.................................................................................. 9
Pin Configurations and Function Descriptions ......................... 10
Typical Performance Characteristics ........................................... 12
Terminology .................................................................................... 14
Theory of Operation ...................................................................... 15
DAC Architecture....................................................................... 15
Channel Groups.......................................................................... 15
A/B Registers and Gain/Offset Adjustment............................ 16
Load DAC.................................................................................... 16
Offset DACs ................................................................................ 16
Output Amplifier........................................................................ 17
Transfer Function....................................................................... 17
BUSY
LDAC
Functions...................................................... 19
and
Power-Down Mode.................................................................... 20
Thermal Shutdown Function ................................................... 20
Toggle Mode................................................................................ 20
Serial Interface ................................................................................ 21
SPI Write Mode .......................................................................... 21
SPI Readback Mode ................................................................... 21
Register Update Rates................................................................ 21
Channel Addressing and Special Modes................................. 22
Special Function Mode.............................................................. 23
Applications Information.............................................................. 24
Power Supply Decoupling ......................................................... 24
Power Supply Sequencing ......................................................... 24
Interfacing Examples ................................................................. 24
Outline Dimensions....................................................................... 25
Ordering Guide .......................................................................... 26
Changes to Absolute Maximum Ratings Section..........................9
Changes to Pin Configuration and Function Descriptions
Section.............................................................................................. 10
Changes to Reset Function Section.............................................. 18
REVISION HISTORY
7/11—Rev. B to Rev. C
Added 64-Lead LFCSP Package........................................Universal
Change to Features Section ............................................................. 1
Change to General Description Section........................................ 3
Changes to Table 5............................................................................ 9
Added Figure 7; Renumbered Sequentially ................................ 10
Changes to Table 6.......................................................................... 10
Updated Outline Dimensions....................................................... 24
Changes to Ordering Guide .......................................................... 25
12/07—Rev. 0 to Rev. A
Changes to Table 3.............................................................................6
Changes to AD5373 Transfer Function Section......................... 16
Changes to Calibration Section.................................................... 17
Changes to Table 8.......................................................................... 18
Changes to Register Update Rates Section.................................. 20
Changes to Ordering Guide.......................................................... 25
2/08—Rev. A to Rev. B
Added Table 1.................................................................................... 3
Changes to t10 Parameter ................................................................. 6
Added t23 Parameter ......................................................................... 6
Changes to Figure 4.......................................................................... 7
8/07—Revision 0: Initial Version
Rev. C | Page 2 of 28
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