AD795 Analog Devices, AD795 Datasheet - Page 2

• Manufacturer Part Number: AD795
• Description: Low Power, Low Noise Precision FET Op Amp
• Manufacturer: Analog Devices

Specifications of AD795

• -3db Bandwidth: 1.6MHz
• Slew Rate: 1V/µs
• Vos: 100µV
• Ib: 1pA
• # Opamps Per Pkg: 1
• Input Noise (nv/rthz): 9nV/rtHz
• Vcc-vee: 8V to 36V
• Isy Per Amplifier: 1.5mA
• Packages: SOIC

AD795
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Connection Diagram ....................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 5
Typical Performance Characteristics ............................................. 6
Minimizing Input Current ............................................................ 11
Circuit Board Notes ........................................................................ 12
REVISION HISTORY
12/09—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
10/02—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
Thermal Resistance ...................................................................... 5
ESD Caution .................................................................................. 5
Rev. C | Page 2 of 20
AC Response with High Value Source and Feedback Resistance
Overload Issues ............................................................................... 15
Outline Dimensions ....................................................................... 18
........................................................................................................... 14
Offset Nulling ............................................................................. 13
Input Protection ......................................................................... 15
Preamplifier Applications.......................................................... 16
Minimizing Noise Contributions ............................................. 16
Using a T Network ..................................................................... 17
A pH Probe Buffer Amplifier ................................................... 17
Ordering Guide .......................................................................... 18