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Antialiasing Filter in AD7607

Question asked by Kazu on Jun 29, 2016
Latest reply on Jun 30, 2016 by NiallM

Hi All,

The attenuation value of the antialiasing filter integrated in AD7606 seems small considering the SNR value of this chip.

The SNR of AD7606 is about 85dB but the attenuation value is about -30dB from its data sheet page 20, Figure33.

- Any external antialiasing filter is not needed when we use AD7606?

- If it may be needed, is there any recommended filter?

My spec: Input Signal Frequency_60Hz, Sampling Frequency_200kHz.


Best Regards,