Data Sheet

AD5421

Rev. F | Page 3 of 36

REVISION HISTORY

1/13—Rev. E to Rev. F

Moved Revision History Section.....................................................3

Change to Table 7............................................................................11

Changes to Table 8 ..........................................................................13

Changes to On-Chip ADC Section...............................................23

Changes to Table 19 and On-Chip ADC Transfer Function

Equations Section............................................................................29

7/12—Rev. D to Rev. E

Changes to Figure 1 and Companion Products Section ..............1

Changes to Pin LOOP− Description ............................................12

Changes to Applications Information Section and Figure 49 ...31

Added Figure 50 ..............................................................................32

5/12—Rev. C to Rev. D

Changes to Features Section and Applications Section; Added

Companion Products Section..........................................................1

Changes to Line Regulation Parameter, Table 1............................5

Updated Outline Dimensions........................................................33

12/11—Rev. B to Rev. C

Change to REFOUT1 Pin, Capacitive Load Parameter, Test

Conditions, Table 1 ...........................................................................4

Conditions, Table 1 ...........................................................................5

Changes to ESD Parameter, Table 6..............................................10

12/11—Rev. A to Rev. B

Added 32-Lead LFCSP ...................................................... Universal

Changes to the Specifications Section, Table 1 .............................3

Changes to Table 7 ..........................................................................10

Added Figure 5, Renumbered Sequentially.................................11

Changes to Table 8 ..........................................................................11

Changes to Figure 33 ......................................................................17

Changes to the On-Chip ADC Section........................................22

Changes to Figure 46 ......................................................................23

Changes to Figure 48 ......................................................................24

Changes to the Register Readback Section..................................25

Updated Outline Dimensions........................................................33

Changes to Ordering Guide...........................................................34

5/11—Rev. 0 to Rev. A

in Table 8 ..........................................................................................10

Change to Figure 45........................................................................22

Changes to Input Shift Register Section, Table 11, and Register

Readback Section ............................................................................24

Changes to Figure 48 ......................................................................30

2/11—Revision 0: Initial Version