AD795

Data Sheet

Rev. D | Page 2 of 20

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

Connection Diagram ....................................................................... 1

General Description ......................................................................... 1

Revision History ............................................................................... 2

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

Absolute Maximum Ratings............................................................ 5

Thermal Resistance ...................................................................... 5

ESD Caution.................................................................................. 5

Typical Performance Characteristics ............................................. 6

Minimizing Input Current ............................................................ 11

Circuit Board Notes........................................................................ 12

Offset Nulling ............................................................................. 13

AC Response with High Value Source and Feedback Resistance

........................................................................................................... 14

Overload Issues............................................................................... 15

Input Protection ......................................................................... 15

Preamplifier Applications.......................................................... 16

Minimizing Noise Contributions............................................. 16

Using a T Network ..................................................................... 17

A pH Probe Buffer Amplifier ................................................... 17

Outline Dimensions....................................................................... 18

Ordering Guide .......................................................................... 18

REVISION HISTORY

8/2019—Rev. C to Rev. D

Changes to Table 1............................................................................ 3

Changes to Ordering Guide .......................................................... 18

12/2009—Rev. B to Rev. C

Changes to Features Section and General Description Section . 1

Changes to Input Bias Current Parameter, Table 1...................... 3

Changes to Table 2............................................................................ 5

Added Thermal Resistance Section ............................................... 5

Added Table 3; Renumbered Sequentially .................................... 5

Changes to Minimizing Input Current Section.......................... 11

Changes to Circuit Board Notes Section and Figure 33............ 12

Changes to Input Protection Section ........................................... 15

Changes to Ordering Guide .......................................................... 18

10/2002—Rev. A to Rev. B

Deleted Plastic Mini-DIP (N) Package............................Universal

Edits to Features.................................................................................1

Edits to Specifications.......................................................................2

Edits to Absolute Maximum Ratings..............................................3

Edits to Ordering Guide ...................................................................3

Edits to Circuit Board Notes............................................................9

Edits to Figure 31...............................................................................9

Edits to Offset Nulling ................................................................... 10

Deleted Figure 34............................................................................ 10

Deleted Low Noise Op Amp Selection Tree ............................... 15

Updated Outline Dimensions....................................................... 15

10/1992—Revision 0: Initial Version