Datasheet OP270 (Analog Devices) - 2

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