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OP270GPZ Datasheet, PDF (2/20 Pages) Analog Devices – Dual Very Low Noise Precision Operational Amplifier
OP270
TABLE OF CONTENTS
Features .............................................................................................. 1
Functional Block Diagrams............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Electrical Specifications............................................................... 4
Absolute Maximum Ratings............................................................ 5
ESD Caution.................................................................................. 5
Typical Performance Characteristics ............................................. 6
Test Circuits..................................................................................... 11
Applications Information .............................................................. 12
REVISION HISTORY
2/10—Rev. D to Rev. E
Change to General Description Section ........................................ 1
Change to Input Noise Current Density Parameter, Table 1 ...... 3
Change to Figure 18 ......................................................................... 8
Changes to Total Noise and Source Resistance Section ............ 13
Changes to Figure 41...................................................................... 16
2/09—Rev. C to Rev. D
Updated Format..................................................................Universal
Reorganized Layout............................................................Universal
Changes to Figure 7 .......................................................................... 6
Changes to Figure 22........................................................................ 9
Deleted Applications Heading ...................................................... 11
Changes to Figure 44...................................................................... 17
Changes to Figure 46...................................................................... 18
Updated Outline Dimensions ....................................................... 19
Changes to Ordering Guide .......................................................... 20
Voltage and Current Noise ........................................................ 12
Total Noise and Source Resistance........................................... 12
Noise Measurements.................................................................. 14
Capacitive Load Driving and Power Supply Considerations .. 15
Unity-Gain Buffer Applications ............................................... 15
Low Phase Error Amplifier ....................................................... 16
Five-Band, Low Noise, Stereo Graphic Equalizer .................. 16
Digital Panning Control ............................................................ 17
Dual Programmable Gain Amplifier ....................................... 17
Outline Dimensions ....................................................................... 19
Ordering Guide .......................................................................... 20
4/03—Rev. B to Rev. C
Deletion of OP270A model...............................................Universal
Edits to Features.................................................................................1
Changes to Specifications.................................................................2
Deletion of Wafer Limits and Dice Characteristics ......................4
Changes to Absolute Maximum Ratings........................................4
Changes to Ordering Guide .............................................................4
Changes to Equations in Noise Measurements section............. 10
Change to Figure 10 ....................................................................... 11
Updated Outline Dimensions ....................................................... 14
11/02—Rev. A to Rev. B
Updated Ordering Guide .............................................................. 15
9/02—Rev. 0 to Rev. A
Edits to Absolute Maximum Ratings ..............................................5
Edits to Ordering Guide ................................................................ 15
2/01—Revision 0: Initial Version
Rev. E | Page 2 of 20