ad549sh-883b Analog Devices, Inc., ad549sh-883b Datasheet - Page 2

• Manufacturer Part Number: ad549sh-883b
• Description: Ultralow Input Bias Current Operational Amplifier
• Manufacturer: Analog Devices, Inc.

AD549
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Connection Diagram ....................................................................... 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
Typical Performance Characteristics ............................................. 6
Functional Description .................................................................. 10
REVISION HISTORY
7/07—Rev. F to Rev. G
Changes to Figure 45...................................................................... 16
Changes to Temperature Compensated pH Probe
Amplifier Section............................................................................ 17
Changes to Figure 46...................................................................... 17
Changes to Ordering Guide .......................................................... 18
5/06—Rev. E to Rev. F
Removed ESD Caution .................................................................... 5
8/05—Rev. D to Rev. E
Change to Figure 22 ......................................................................... 9
Minimizing Input Current ........................................................ 10
Circuit Board Notes ................................................................... 10
Offset Nulling.............................................................................. 11
Rev. G | Page 2 of 20
Outline Dimensions ....................................................................... 18
5/04—Rev. C to Rev. D
Updated Format..................................................................Universal
Changes to Features ..........................................................................1
Updated Outline Dimensions....................................................... 18
Added Ordering Guide.................................................................. 18
10/02—Rev. B to Rev. C
Deleted Product Highlights #5 ........................................................1
Edits to Specifications .......................................................................3
Deleted Metallization Photograph ..................................................3
Updated Outline Dimensions....................................................... 13
7/02—Rev. A to Rev. B
Edits to Specifications .......................................................................2
AC Response with High Value Source and Feedback
Resistance .................................................................................... 12
Common-Mode Input Voltage Overload................................ 12
Differential Input Voltage Overload ........................................ 13
Input Protection ......................................................................... 13
Sample and Difference Circuit to Measure Electrometer
Leakage Currents........................................................................ 13
Photodiode Interface ................................................................. 14
Log Ratio Amplifier ................................................................... 15
Temperature Compensated pH Probe Amplifier................... 16
Ordering Guide .......................................................................... 18