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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