SBOA586A February   2024  – May 2025 OPA182 , OPA186 , OPA187 , OPA188 , OPA189 , OPA333 , OPA387 , OPA388

 

  1.   1
  2.   Abstract
  3. 1 Benefit of Zero-Drift Amplifiers
  4. 2 Internal Operation of Choppers
  5. 3 Chopping Input Current Transients
  6. 4 Bias Current Translation Into Offset
  7. 5 Chopping Current Transient Impact on Offset Voltage
  8. 6 Input Bias Current versus Bias Transients
  9. 7 Amplifier Intrinsic Noise
  10. 8 Chopper Transient Noise
  11. 9 Procedure for Selecting a Zero-Drift Amplifier
  12. 10Summary
  13. 11References
  14. 12Revision History

12 Revision History

Changes from Revision * (February 2024) to Revision A (May 2025)

  • Added: Table 2-1 to show the chopper frequency for different devices.Go
  • Updated Figure 2-4. The 3rd harmonic was changed from 200kHz to 300kHz.Go