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Question Qustion of the TAS5731 Datasheet's THD+N Chart

Wayne Chen (Audio AE)
Genius 15950 points
Other Parts Discussed in Thread: TAS5731, TAS5731M

Hi Sirs,

According to the TAS5731 datasheet's fig6, the THD+N is ~0.2% with 5W, 4ohm, SE, 12V condition, however, from gig8, The THD+N goes to >10% with the same test condition. Would you pls advise which one is correct?



Thank you and Best regards,

Wayne Chen
12/08/2016

  • 0
    TI__Guru 57800 points

    Hi, Wayne,

    It seems the plots you are attaching corresponds to the TAS5731, I would recommend you to suggest using the TAS5731M instead, this device is improved for operation at higher PVDD and has a more robust power stage. Also, the plots from the TAS5731M datasheet are clearer than the ones of TAS5731. 

    About your question, the plot in the Right side (THD+N Vs Power) is correct. 

    Best Regards,

      -Diego Meléndez López
       Audio Applications Engineer