AD5372/AD5373
Preliminary Technical Data
TABLE OF CONTENTS
Specifications......................................................................................4
Clear Function ............................................................................ 16
BUSY and LDAC Functions...................................................... 16
Power-Down Mode.................................................................... 16
Thermal Monitor Function....................................................... 16
Toggle Mode................................................................................ 17
Serial Interface ................................................................................ 18
SPI Write Mode........................................................................... 18
SPI Readback Mode ................................................................... 19
Register Update Rates ................................................................ 19
Channel Addressing And Special Modes................................ 19
Special Function Mode.............................................................. 20
Power Supply Decoupling ......................................................... 22
Power Supply Sequencing ......................................................... 22
Interfacing Examples...................................................................... 23
Outline Dimensions ....................................................................... 24
Ordering Guide........................................................................... 24
AC Characteristics.........................................................................5
Timing Characteristics .................................................................6
Absolute Maximum Ratings.............................................................8
ESD Caution...................................................................................8
Terminology .................................................................................... 11
Functional Description.................................................................. 12
DAC Architecture—General..................................................... 12
Channel Groups.......................................................................... 12
A/ B Reigsters And Gain/Offset Adjustment.......................... 13
Load DAC.................................................................................... 13
Offset DACs ................................................................................ 13
Output Amplifier........................................................................ 14
Transfer Function....................................................................... 14
Reference Selection .................................................................... 14
Calibration................................................................................... 15
AD5372 Calibration Example................................................... 15
Reset Function ............................................................................ 16
REVISION HISTORY
Pr B1
Modified SPI timing diagrams
Added Reference Selection and Calibration text
Pr. B2 Added Reset Function text
Pr. B3 Added Power Down Mode text
Pr. B4 Added Terminology and Power Supply Sequencing sections
Pr D
Rewrote calibration section
Changed SPI read diagram
Pr F.
Changed LFCSP Vout8 and Vout9 positions
Rev. PrF| Page 2 of 25