AD6644
TABLE OF CONTENTS
Features .............................................................................................. 1
Explanation of Test Levels............................................................7
Thermal Resistance.......................................................................7
ESD Caution...................................................................................7
Pin Configuration and Function Descriptions..............................8
Typical Performance Characteristics ..............................................9
Equivalent Circuits......................................................................... 12
Terminology.................................................................................... 13
Theory of Operation ...................................................................... 15
Applying the AD6644 ................................................................ 15
Evaluation Board ............................................................................ 18
Outline Dimensions....................................................................... 21
Ordering Guide .......................................................................... 21
Applications....................................................................................... 1
General Description......................................................................... 1
Product Highlights ........................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
DC Specifications ......................................................................... 3
Digital Specifications ................................................................... 4
Switching Specifications .............................................................. 4
AC Specifications.......................................................................... 5
Timing Diagram ........................................................................... 6
Absolute Maximum Ratings............................................................ 7
REVISION HISTORY
8/07—Rev. C to Rev. D
Changes to Table 5............................................................................ 5
Changes to Noise (for Any Range Within the ADC) Definition .. 13
Added Table 8.................................................................................. 16
Changes to Evaluation Board Section.......................................... 18
Changes to Ordering Guide .......................................................... 21
5/03—Data Sheet changed from Rev. B to Rev. C
Updated Outline Dimensions....................................................... 19
3/03—Data Sheet changed from Rev. A to Rev. B
Change to Digital Specifications Note........................................... 2
3/03—Data Sheet changed from Rev. 0 to Rev. A
Edits to Specifications ...................................................................... 2
Renumbering of Figures and TPCs..................................Universal
Updated Outline Dimensions....................................................... 19
Rev. D | Page 2 of 24
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