SLAA856A July   2018  – July 2021 TAS5825M

 

  1.   Trademarks
  2. 1General Overview
  3. 2Advanced Emission Suppression
    1. 2.1 Spread Spectrum Modulation
    2. 2.2 Dephase and Multi-Device Phase Synchronization
  4. 3Printed Circuit Board Design for EMC
    1. 3.1 Printed Circuit Board Layout
    2. 3.2 Ferrite Bead Filter
    3. 3.3 Power Supply and Speaker Wires
    4. 3.4 TAS5825M Device Configurations
  5. 4TAS5825M EMI Test Results
    1. 4.1 EN55022 Radiated Emission Results
    2. 4.2 EN55022 Conducted Emission Results
    3. 4.3 Conclusions
  6. 5Revision History

4.3 Conclusions

The TAS5825M device has the proven advanced RF emission suppression technology that helps to design an EMI-compliant audio system without compromising cost and performance. By adhering to the guidelines discussed in this report, EMI requirements are met and costly PCB rework is avoided.

Please note that we usually recommend inductor filters so that customers can make good use of TAS5825M features and capabilities.

For further questions and discussions on this topic, go to the TI E2E Forums (http://e2e.ti.com/).