Datasheet

AD5624/AD5664
Rev. 0 | Page 2 of 24
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description......................................................................... 1
Product Highlights ........................................................................... 1
Specifications..................................................................................... 3
AC Characteristics........................................................................ 4
Timing Characteristics ................................................................ 5
Timing Diagram........................................................................... 5
Absolute Maximum Ratings............................................................ 6
ESD Caution.................................................................................. 6
Pin Configuration and Function Descriptions............................. 7
Typical Performance Characteristics ............................................. 8
Terminology .................................................................................... 13
Theory of Operation ...................................................................... 15
D/A Section................................................................................. 15
Resistor String............................................................................. 15
Output Amplifier........................................................................ 15
Serial Interface............................................................................ 15
Input Shift Register .................................................................... 16
SYNC
Interrupt .......................................................................... 16
Power-On Reset.......................................................................... 16
Software Reset............................................................................. 17
Power-Down Modes .................................................................. 17
LDAC Function .......................................................................... 18
Microprocessor Interfacing....................................................... 19
Applications..................................................................................... 20
Choosing a Reference for the AD5624/AD5664.................... 20
Using a Reference as a Power Supply for the
AD5624/AD5664........................................................................ 20
Bipolar Operation Using the AD5624/AD5664..................... 21
Using AD5624/AD5664 with a Galvanically Isolated
Interface....................................................................................... 21
Power Supply Bypassing and Grounding................................ 21
Outline Dimensions....................................................................... 22
Ordering Guide .......................................................................... 22
REVISION HISTORY
6/06—Revision 0: Initial Version