AD9432
TABLE OF CONTENTS
Features .............................................................................................. 1
Terminology.................................................................................... 11
Equivalent Circuits......................................................................... 12
Theory of Operation ...................................................................... 13
Analog Input ............................................................................... 13
Encode Input............................................................................... 13
Encode Voltage Level Definition.............................................. 13
Digital Outputs ........................................................................... 14
Voltage Reference ....................................................................... 14
Timing ......................................................................................... 14
Applications Information.............................................................. 15
Using the AD8138 to Drive the AD9432 ................................ 15
Outline Dimensions....................................................................... 16
Ordering Guide .......................................................................... 16
Applications....................................................................................... 1
General Introduction ....................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Diagram ........................................................................... 5
Absolute Maximum Ratings............................................................ 6
Explanation of Test Levels........................................................... 6
Thermal Characteristics .............................................................. 6
ESD Caution.................................................................................. 6
Pin Configurations and Function Descriptions ........................... 7
Typical Performance Characteristics ............................................. 8
REVISION HISTORY
6/09—Rev. E to Rev. F
1/02—Rev. D to Rev. E
Updated Format..................................................................Universal
Reorganized Layout............................................................Universal
Added TQFP_EP Package.................................................Universal
Deleted LQFP_ED Package...............................................Universal
Changes to Thermal Characteristics Section................................ 6
Changes to Pin Configurations and Function Descriptions
Section................................................................................................ 7
Changes to Terminology Section.................................................. 11
Deleted Evaluation Board Section................................................ 15
Updated Outline Dimensions....................................................... 16
Changes to Ordering Guide .......................................................... 16
Edits to Specifications.......................................................................3
Edits to Absolute Maximum Ratings..............................................4
Edits to Ordering Guide ...................................................................4
Addition of Text to Using the AD9432 Section.......................... 10
Edits to Figure 17a.......................................................................... 15
Edits to Figure 17b ......................................................................... 16
Addition of SQ-52 Package Outline............................................. 18
Rev. F | Page 2 of 16
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