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AD620
Rev. H | Page 2 of 20
TABLE OF CONTENTS
Specifications .....................................................................................3
Absolute Maximum Ratings ............................................................5
ESD Caution ..................................................................................5
Typical Performance Characteristics..............................................6
Theory of Operation.......................................................................12
Gain Selection..............................................................................15
Input and Output Offset Voltage ..............................................15
Reference Terminal.....................................................................15
Input Protection ..........................................................................15
RF Interference............................................................................15
Common-Mode Rejection.........................................................16
Grounding....................................................................................16
Ground Returns for Input Bias Currents.................................17
AD620ACHIPS Information.........................................................18
Outline Dimensions........................................................................19
Ordering Guide...........................................................................20
REVISION HISTORY
7/11—Rev. G to Rev. H
Deleted Figure 3.................................................................................1
Added Table 1 ....................................................................................1
Moved Figure 2..................................................................................1
Added ESD Input Diodes to Simplified Schematic ....................12
Changes to Input Protection Section............................................15
Added Figure 41; Renumbered Sequentially...............................15
Changes to AD620ACHIPS Information Section ......................18
Updated Ordering Guide ...............................................................20
12/04—Rev. F to Rev. G
Updated Format..................................................................Universal
Change to Features............................................................................1
Change to Product Description.......................................................1
Changes to Specifications.................................................................3
Added Metallization Photograph....................................................4
Replaced Figure 4-Figure 6 ..............................................................6
Replaced Figure 15............................................................................7
Replaced Figure 33..........................................................................10
Replaced Figure 34 and Figure 35.................................................10
Replaced Figure 37..........................................................................10
Changes to Table 3 ..........................................................................13
Changes to Figure 41 and Figure 42 .............................................14
Changes to Figure 43 ......................................................................15
Change to Figure 44........................................................................17
Changes to Input Protection section ............................................15
Deleted Figure 9 ..............................................................................15
Changes to RF Interference section..............................................15
Edit to Ground Returns for Input Bias Currents section...........17
Added AD620CHIPS to Ordering Guide....................................19
7/03—Data Sheet Changed from Rev. E to Rev. F
Edit to FEATURES............................................................................1
Changes to SPECIFICATIONS.......................................................2
Removed AD620CHIPS from ORDERING GUIDE ...................4
Removed METALLIZATION PHOTOGRAPH...........................4
Replaced TPCs 1–3 ...........................................................................5
Replaced TPC 12...............................................................................6
Replaced TPC 30...............................................................................9
Replaced TPCs 31 and 32...............................................................10
Replaced Figure 4............................................................................10
Changes to Table I...........................................................................11
Changes to Figures 6 and 7............................................................12
Changes to Figure 8 ........................................................................13
Edited INPUT PROTECTION section........................................13
Added new Figure 9........................................................................13
Changes to RF INTERFACE section ............................................14
Edit to GROUND RETURNS FOR INPUT BIAS CURRENTS
section...............................................................................................15
Updated OUTLINE DIMENSIONS.............................................16