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OPA189 Datasheet(PDF) 2 Page - Texas Instruments |
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OPA189 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 34 page 2 OPA189, OPA2189, OPA4189 SBOS830 – JUNE 2017 www.ti.com Product Folder Links: OPA189 OPA2189 OPA4189 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated Table of Contents 1 Features .................................................................. 1 2 Applications ........................................................... 1 3 Description ............................................................. 1 4 Revision History..................................................... 2 5 Device Comparison Table..................................... 3 6 Pin Configuration and Functions ......................... 4 7 Specifications......................................................... 7 7.1 Absolute Maximum Ratings ...................................... 7 7.2 ESD Ratings.............................................................. 7 7.3 Recommended Operating Conditions ....................... 7 7.4 Thermal Information: OPA189 .................................. 8 7.5 Thermal Information: OPA2189 ................................ 8 7.6 Thermal Information: OPA4189 ................................ 8 7.7 Electrical Characteristics........................................... 9 7.8 Typical Characteristics ............................................ 11 8 Detailed Description ............................................ 12 8.1 Overview ................................................................. 12 8.2 Functional Block Diagram ....................................... 12 8.3 Feature Description................................................. 13 8.4 Noise Performance ................................................. 18 8.5 Basic Noise Calculations ........................................ 18 8.6 Device Functional Modes........................................ 19 9 Application and Implementation ........................ 20 9.1 Application Information............................................ 20 9.2 Typical Applications ................................................ 20 10 System Examples................................................ 27 10.1 24-Bit, Delta-Sigma, Differential Load Cell or Strain Gauge Sensor Signal Conditioning.......................... 27 11 Power Supply Recommendations ..................... 28 12 Layout................................................................... 29 12.1 Layout Guidelines ................................................. 29 12.2 Layout Example .................................................... 29 13 Device and Documentation Support ................. 30 13.1 Device Support...................................................... 30 13.2 Documentation Support ........................................ 30 13.3 Related Links ........................................................ 30 13.4 Receiving Notification of Documentation Updates 31 13.5 Community Resources.......................................... 31 13.6 Trademarks ........................................................... 31 13.7 Electrostatic Discharge Caution ............................ 31 13.8 Glossary ................................................................ 31 14 Mechanical, Packaging, and Orderable Information ........................................................... 31 4 Revision History DATE REVISION NOTES June 2017 * Initial release. |
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