Datasheet

AD9235 Data Sheet
Rev. D | Page 2 of 40
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
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
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
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