AD6644 Analog Devices, AD6644 Datasheet - Page 2

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AD6644

Manufacturer Part Number
AD6644
Description
14-Bit, 40 MSPS/65 MSPS Analog-to-Digital Converter
Manufacturer
Analog Devices
Datasheet

Specifications of AD6644

Resolution (bits)
14bit
# Chan
1
Sample Rate
65MSPS
Interface
Par
Analog Input Type
Diff-Uni
Ain Range
2.2 V p-p
Adc Architecture
Pipelined
Pkg Type
QFP

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AD6644
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
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
DC Specifications ......................................................................... 3
Digital Specifications ................................................................... 4
Switching Specifications .............................................................. 4
AC Specifications.......................................................................... 5
Timing Diagram ........................................................................... 6
Rev. D | Page 2 of 24
Pin Configuration and Function Descriptions..............................8
Typical Performance Characteristics ..............................................9
Equivalent Circuits......................................................................... 12
Terminology .................................................................................... 13
Theory of Operation ...................................................................... 15
Evaluation Board ............................................................................ 18
Outline Dimensions ....................................................................... 21
Explanation of Test Levels............................................................7
Thermal Resistance .......................................................................7
ESD Caution...................................................................................7
Applying the AD6644 ................................................................ 15
Ordering Guide .......................................................................... 21

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