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AD9235BCP-40

12-Bit, 20/40/65 MSPS 3 V A/D Converter

Analog Devices 

AD9235

TABLE OF CONTENTS

Specifications..................................................................................... 3

DC Specifications ......................................................................... 3

Digital Specifications ................................................................... 4

Switching Specifications .............................................................. 4

AC Specifications.......................................................................... 5

Absolute Maximum Ratings............................................................ 7

Explanation of Test Levels ........................................................... 7

ESD Caution.................................................................................. 7

Pin Configurations and Function Descriptions ........................... 8

Definitions of Specifications ........................................................... 9

Equivalent Circuits ......................................................................... 10

Typical Performance Characteristics ........................................... 11

REVISION HISTORY

10/12—Rev. C to Rev. D

Changes to Figure 4 and Table 6................................................................8

Updated Outline Dimensions (Changed CP-32-2 to CP-32-7)..... 36

Changes to Ordering Guide .......................................................... 37

10/04—Data Sheet changed from Rev. B to Rev. C

Changes to Format ............................................................. Universal

Changes to Specifications .................................................................3

Changes to the Ordering Guide.................................................... 37

5/03—Data Sheet changed from Rev. A to Rev. B

Added CP-32 Package (LFCSP)........................................Universal

Changes to Several Pin Names..........................................Universal

Changes to Features...........................................................................1

Changes to Product Description .....................................................1

Changes to Product Highlights........................................................1

Changes to Specifications .................................................................2

Replaced Figure 1 ..............................................................................3

Changes to Absolute Maximum Ratings ........................................5

Changes to Ordering Guide .............................................................5

Changes to Pin Function Descriptions ...........................................6

New Definitions of Specifications Section .....................................7

Data Sheet

Applying the AD9235 .................................................................... 15

Theory of Operation .................................................................. 15

Analog Input ............................................................................... 15

Clock Input Considerations...................................................... 16

Power Dissipation and Standby Mode .................................... 17

Digital Outputs ........................................................................... 18

Voltage Reference ....................................................................... 18

Operational Mode Selection ..................................................... 19

TSSOP Evaluation Board .......................................................... 19

LFCSP Evaluation Board ........................................................... 20

Outline Dimensions ....................................................................... 36

Ordering Guide .......................................................................... 37

Changes to TPCs 1 to 12 ..................................................................9

Changes to Theory of Operation Section.....................................13

Changes to Analog Input Section..................................................13

Changes to Single-ended Input Configuration Section .............14

Replaced Figure 8 ............................................................................14

Changes to Clock Input Considerations Section ........................14

Changes to Table I ...........................................................................15

Changes to Power Dissipation and Standby Mode Section .......15

Changes to Digital Outputs Section..............................................15

Changes to Timing Section ............................................................15

Changes to Figure 13.......................................................................16

Changes to Figures 16 to 26 ...........................................................17

Added LFCSP Evaluation Board Section .....................................17

Inserted Figures 27 to 35 ................................................................25

Added Table III ................................................................................30

Updated Outline Dimensions........................................................31

8/02—Data Sheet changed from Rev. 0 to Rev. A

Updated RU-28 Package ................................................................ 24

Rev. D | Page 2 of 40

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