Datasheet

AD5025/AD5045/AD5065
Rev. 0 | Page 2 of 28
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3 
AC Characteristics ........................................................................ 4
Timing Characteristics ................................................................ 5
Absolute Maximum Ratings ............................................................ 7
ESD Caution .................................................................................. 7
Pin Configuration and Function Descriptions ............................. 8
Typical Performance Characteristics ............................................. 9
Terminology .................................................................................... 15
Theory of Operation ...................................................................... 17
Digital-to-Analog Converter .................................................... 17
DAC Architecture ....................................................................... 17
Reference Buffer ......................................................................... 17
Output Amplifier ........................................................................ 17
Serial Interface ............................................................................ 17
Input Register .............................................................................. 17
Standalone Mode ........................................................................ 19
SYNC
Interrupt .......................................................................... 19
Daisy-Chaining ........................................................................... 19
Power-On Reset and Software Reset ....................................... 20
Power-Down Modes .................................................................. 20
Clear Code Register ................................................................... 21
LDAC
Function ........................................................................... 21
Power-Down Lockout ................................................................ 22
Power Supply Bypassing and Grounding ................................ 22
Microprocessor Interfacing ....................................................... 23
Applications Information .............................................................. 24
Using a Reference as a Power Supply for the
AD5025/AD5045/AD5065 ....................................................... 24

Bipolar Operation Using the AD5025/AD5045/AD5065 ..... 24
Using the AD5025/AD5045/AD5065 with a
Galvanically Isolated Interface ................................................. 24

Outline Dimensions ....................................................................... 25
Ordering Guide .......................................................................... 25
REVISION HISTORY
10/08—Revision 0: Initial Version