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TPA3245 with PFFB

Akio Ito
Genius 3595 points
Other Parts Discussed in Thread: TPA3245, TPA3255, TPA3251

Hi,

A customer is interested in Post-Filter Feedback. He asks us whether the PFFB is applicable to TPA3245. If it is applicable, please teach us the recommended value of each capacitors and resistors.

Best regards,
Akio Ito

  • 0
    TI__Mastermind 30120 points

    Hello Akio, 

    We have not published values for the TPA3245 for use in PFFB,  but it is definitely applicable.  I would suggest looking at the application report entitled TPA3251 and TPA3255 Post-Filter Feedback (PFFB).  This will give values for the TPA3251 and TPA3255,   These values should be pretty close to what we would use in the TPA3245. 

    take a look at that document and let me know if that is helpful.  it should at least be a good starting point. 

    best regards,

    -Steve Wilson

  • 0 in reply to Steve-Wilson
    Genius 3595 points
    Hello, Steve-san,

    Thank you for the answer. Our customer already has read the application report. However, if he still has some questions about PFFB, could you answer his questions?

    Best regards,
    Akio Ito
  • 0 in reply to Akio Ito
    TI__Mastermind 30120 points
    Ito-san,

    Yes, I would be happy to answer any questions. I also sent you an invitation to connect, I am curious to hear about your customer and their application. We are excited about our customers using PFFB, so it would be good to hear about their particular use.

    I look forward to hearing more from you.

    Best regards,

    -Steve Wilson