Datasheet

AD8400/AD8402/AD8403
Rev. D | Page 2 of 32
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 4
Electrical Characteristics—10 kΩ Version................................ 4
Electrical Characteristics—50 kΩ and 100 kΩ Versions......... 6
Electrical Characteristics—1 kΩ Version.................................. 8
Electrical Characteristics—All Versions ................................. 10
Timing Diagrams........................................................................ 10
Absolute Maximum Ratings.......................................................... 11
Serial Data-Word Format.......................................................... 11
ESD Caution................................................................................ 11
Pin Configurations and Function Descriptions......................... 12
Typical Performance Characteristics ........................................... 14
Test Circuits..................................................................................... 19
Theory of Operation ...................................................................... 20
Programming the Variable Resistor......................................... 20
Programming the Potentiometer Divider............................... 21
Digital Interfacing...................................................................... 21
Applications..................................................................................... 24
Active Filter ................................................................................. 24
Outline Dimensions....................................................................... 26
Ordering Guide .......................................................................... 28
REVISION HISTORY
10/05—Rev. C to Rev. D
Updated Format..................................................................Universal
Changes to Features...........................................................................1
Changes to Table 1.............................................................................4
Changes to Table 2.............................................................................6
Changes to Table 3.............................................................................8
Changes to Table 5...........................................................................11
Added Figure 36...............................................................................18
Replaced Figure 37 ..........................................................................19
Changes to Theory of Operation Section.....................................20
Changes to Applications Section...................................................24
Updated Outline Dimensions........................................................26
Changes to Ordering Guide ...........................................................28
11/01—Rev. B to Rev. C
Addition of new Figure.....................................................................1
Edits to Specifications.......................................................................2
Edits to Absolute Maximum Ratings..............................................6
Edits to TPCs 1, 8, 12, 16, 20, 24, 35...............................................9
Edits to
the Programming the Variable Resistor Section..........................13