Datasheet

AD5626
Rev. A | Page 2 of 20
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Electrical Characteristics ............................................................. 3
Timing Characteristics ................................................................ 4
Absolute Maximum Ratings ............................................................ 5
ESD Caution .................................................................................. 5
Pin Configurations and Function Descriptions ........................... 6
Typical Performance Characteristics ............................................. 7
Theory of Operation ...................................................................... 10
DAC Section ................................................................................ 10
Amplifier Section........................................................................ 10
Output Section ............................................................................ 10
Power Supply ............................................................................... 10
Timing and Control ................................................................... 11
Applications Information .............................................................. 12
Power Supplies, Bypassing, and Grounding ........................... 12
Unipolar Output Operation ...................................................... 12
Operating the AD5626 on 12 V or 15 V Supplies Only ........ 13
Measuring Offset Error ............................................................. 13
Bipolar Output Operation ......................................................... 13
Generating a Negative Supply Voltage .................................... 15
A Single-Supply, Programmable Current Source .................. 15
Galvanically-Isolated Interface ................................................. 15
Microprocessor Interfacing ....................................................... 16
Outline Dimensions ....................................................................... 17
Ordering Guide .......................................................................... 17
REVISION HISTORY
1/09—Rev. 0 to Rev. A
Change to Full-Scale Tempco Paramter and Full-Scale
Voltage (Min) Parameter ................................................................. 3
12/07—Revision 0: Initial Version