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

3.4 TAS5825M Device Configurations

If ferrite bead filters are chosen as the output filters, we recommend to choose BD modulation, set the switching frequency to 384kHz and also have Spread Spectrum enabled. Refer to the TAS5825M datasheet for the recommended Spread Spectrum configurations.