OPA189 Datasheet, PDF (2/34 Pages) Texas Instruments – Precision, 36-V, 14-MHz, MUX-Friendly Low-Noise, Rail-to-Rail Output, Zero-Drift Operational Amplifiers

OPA189, OPA2189, OPA4189
SBOS830 – JUNE 2017
www.ti.com
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
June 2017
REVISION
*
NOTES
Initial release.
2
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Product Folder Links: OPA189 OPA2189 OPA4189