OPA1641 Datasheet, PDF (2/31 Pages) Texas Instruments – High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS

OPA1641, OPA1642, OPA1644
SBOS484C – DECEMBER 2009 – REVISED DECEMBER 2015
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Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 5
6.1 Absolute Maximum Ratings ..................................... 5
6.2 ESD Ratings ............................................................ 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information ................................................. 5
6.5 Electrical Characteristics........................................... 6
6.6 Typical Characteristics .............................................. 8
7 Detailed Description ............................................ 13
7.1 Overview ................................................................. 13
7.2 Functional Block Diagram ....................................... 13
7.3 Feature Description................................................. 13
7.4 Device Functional Modes........................................ 16
8 Application and Implementation ........................ 17
8.1 Application Information............................................ 17
8.2 Typical Application ................................................. 24
9 Power Supply Recommendations...................... 26
10 Layout................................................................... 27
10.1 Layout Guidelines ................................................. 27
10.2 Layout Example .................................................... 28
11 Device and Documentation Support ................. 29
11.1 Device Support .................................................... 29
11.2 Documentation Support ....................................... 29
11.3 Related Links ........................................................ 30
11.4 Community Resources.......................................... 30
11.5 Trademarks ........................................................... 30
11.6 Electrostatic Discharge Caution ............................ 30
11.7 Glossary ................................................................ 30
12 Mechanical, Packaging, and Orderable
Information ........................................................... 30
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (August 2010) to Revision C
Page
• Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional
Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device
and Documentation Support section, and Mechanical, Packaging, and Orderable Information section .............................. 1
• Added text to last bullet of Layout Guidelines section.......................................................................................................... 27
Changes from Revision A (April 2010) to Revision B
Page
• Removed product-preview information for MSOP-8 package version of OPA1641............................................................... 1
Changes from Original (December 2009) to Revision A
Page
• Removed product-preview information for OPA1644 device packages throughout document.............................................. 1
2
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