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CCS/TLV320AIC3204: output noise

user5006944
Intellectual 630 points
Part Number: TLV320AIC3204

Tool/software: Code Composer Studio

Blow is the picture of  the problem.The output noise is vevy big.

  • 0
    TI__Guru 57800 points

    HI, 

    It seems you are using the headphone output of the 'AIC3204. When these outputs are used, we recommend to use a low-pass RC filter when using test equipment, like oscilloscopes, to make audio noise measurements. Is it possible to add a similar filter to make the noise analysis?, we use the following filter in our EVM:

    Best Regards,

      -Diego Meléndez López
       Audio Applications Engineer