SLVAG05 October   2025 TPS7A56 , TPS7A57 , TPS7A94 , TPS7A96

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction to LDO Noise and Noise Measurement
    1. 1.1 LDO Noise and LDO Noise Representation
    2. 1.2 Measuring LDO Noise Using a Spectrum Analyzer
  5. 2Solution for Measuring an Ultra-Low Noise LDO (Noise Amplifier Requirements)
    1. 2.1 Estimating the Maximum Noise for the Amplifier
    2. 2.2 Estimating the Amplifier Needed Gain
    3. 2.3 Selecting the Amplifier Circuit Feedback Resistor Values
    4. 2.4 The Amplifier Input/Output DC Blocking Filters
    5. 2.5 Verifying the Designed Amplifier Performance
  6. 3Conclusion
  7. 4References

4 References

  1. Texas Instruments, LDO Noise Demystified, application report.
  2. Keysight Technologies, Understanding Noise and Sensitivity in Spectrum Analyzers, white paper, Keysight Technologies website (2000–2025), viewed 21 October 20025.
  3. G. Scandurra, G. Cannatà, G. Giusi and C. Ciofi, 2013. Configurable Low Noise Amplifier for Voltage Noise Measurements, 2013 22nd International Conference on Noise and Fluctuations (ICNF), Montpellier, France, 2013, pp. 1-4, doi: 10.1109/ICNF.2013.6578999.
  4. Texas Instruments, Noise Analysis in Operational Amplifier Circuits Application Report, application note.