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OP291_15 Datasheet, PDF (2/24 Pages) Analog Devices – Micropower Single-Supply Rail-to-Rail Input/Output Op Amps
OP191/OP291/OP491
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Pin Configurations ........................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Electrical Specifications............................................................... 3
Absolute Maximum Ratings............................................................ 7
Thermal Resistance ...................................................................... 7
ESD Caution.................................................................................. 7
Typical Performance Characteristics ............................................. 8
Theory of Operation ...................................................................... 17
Input Overvoltage Protection ................................................... 18
Output Voltage Phase Reversal................................................. 18
REVISION HISTORY
4/10—Rev. D to Rev. E
Changes to Input Voltage Parameter, Table 4 ............................... 7
4/06—Rev. C to Rev. D
Changes to Noise Performance, Voltage Density, Table 1........... 3
Changes to Noise Performance, Voltage Density, Table 2........... 4
Changes to Noise Performance, Voltage Density, Table 3........... 5
Changes to Figure 23 and Figure 24............................................. 10
Changes to Figure 42...................................................................... 13
Changes to Figure 43...................................................................... 14
Changes to Figure 57...................................................................... 16
Added Figure 58.............................................................................. 16
Changed Reference from Figure 47 to Figure 12........................ 17
Updated Outline Dimensions ....................................................... 23
Changes to Ordering Guide .......................................................... 24
Overdrive Recovery ................................................................... 18
Applications Information .............................................................. 19
Single 3 V Supply, Instrumentation Amplifier ....................... 19
Single-Supply RTD Amplifier................................................... 19
A 2.5 V Reference from a 3 V Supply ...................................... 20
5 V Only, 12-Bit DAC Swings Rail-to-Rail ............................. 20
A High-Side Current Monitor .................................................. 20
A 3 V, Cold Junction Compensated Thermocouple Amplifier
....................................................................................................... 21
Single-Supply, Direct Access Arrangement for Modems...... 21
3 V, 50 Hz/60 Hz Active Notch Filter with False Ground..... 22
Single-Supply, Half-Wave, and Full-Wave Rectifiers............. 22
Outline Dimensions ....................................................................... 23
Ordering Guide .......................................................................... 24
3/04—Rev. B to Rev. C.
Changes to OP291 SOIC Pin Configuration .................................1
11/03—Rev. A to Rev. B.
Edits to General Description ...........................................................1
Edits to Pin Configuration ...............................................................1
Changes to Ordering Guide .............................................................5
Updated Outline Dimensions ....................................................... 19
12/02—Rev. 0 to Rev. A.
Edits to General Description ...........................................................1
Edits to Pin Configuration ...............................................................1
Changes to Ordering Guide .............................................................5
Edits to Dice Characteristics............................................................5
Rev. E | Page 2 of 24