AD5370
Rev. 0 | Page 2 of 28
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
General Description......................................................................... 3
Specifications..................................................................................... 4
Performance Specifications......................................................... 4
AC Characteristics........................................................................ 5
Timing Characteristics ................................................................ 6
Timing Diagrams.......................................................................... 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 DAC Channels ................................................................ 16
Output Amplifier........................................................................ 17
Transfer Function....................................................................... 17
Reference Selection .................................................................... 17
Calibration................................................................................... 18
Additional Calibration............................................................... 18
Reset Function............................................................................ 19
Clear Function............................................................................ 19
BUSY
and
LDAC
Functions...................................................... 19
Power-Down Mode.................................................................... 19
Thermal Shutdown Function ................................................... 19
Toggle Mode................................................................................ 20
Serial Interface ................................................................................ 21
SPI Write Mode .......................................................................... 21
SPI Readback Mode ................................................................... 21
Register Update Rates................................................................ 21
Channel Addressing and Special Modes................................. 21
Special Function Mode.............................................................. 23
Power Supply Decoupling......................................................... 25
Power Supply Sequencing ......................................................... 25
Interfacing Examples ................................................................. 26
Outline Dimensions....................................................................... 27
Ordering Guide .......................................................................... 27
REVISION HISTORY
4/08—Revision 0: Initial Version
