SBOA601A January   2025  – October 2026 LOG200

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1 Introduction
  5. 2 Critical Photodiode Specifications
  6. 3 Interfacing the LOG200 With the Photosensor
    1. 3.1 Photodiode Connections
    2. 3.2 Photodiode Adaptive Biasing Current Output
  7. 4 Optical Bench for Current Sensing Measurements
    1. 4.1 Transient Response with Photosensor
  8. 5 Optical Power Measurements with the LOG200
  9. 6 Error Sources and Uncalibrated Error Analysis
  10. 7 Auxiliary Op Amp Circuits
    1. 7.1 Single-Ended to Differential Conversion Circuit
    2. 7.2 Sallen-Key Low-Pass Filter
  11. 8 Summary
  12. 9 References
  13. 10Revision History
Application Note

Perform Accurate Optical Current Sense Measurements Using the LOG200 Logarithmic Amplifier