SPVA062 June   2026 PCM4220 , PCM4222 , TLV320ADC6120 , TLV320ADC6140

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Detailed Description
    1. 2.1 Why Idle Tones?
    2. 2.2 How To Improve Idle Channel Spectrum in Audio Band
      1. 2.2.1 Example 1 – TLV320ADC6120
      2. 2.2.2 Example 2 – PCM4222
  6. 3Summary
  7. 4References

3 Summary

Using the practices described in this application note with examples, users can incorporate designs using TI's family of audio ADCs. These designs would then meet the of spurious free spectral requirement needed in certain audio applications, with some impact on overall performance.