Datasheet

AD8400/AD8402/AD8403
Rev. E | 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 .......................................................................... 30
Automotive Products ................................................................. 31
REVISION HISTORY
7/10—Rev. D to Rev. E
Changes to Features Section ............................................................ 1
Changes to I
AB Continuous Current Parameter (Table 5) ......... 11
Updated Outline Dimensions ........................................................ 26
Changes to Ordering Guide ........................................................... 30
Added Automotive Products Section ........................................... 31
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