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ADS5294: Asking for Coefficients of decimation of filters

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Part Number:ADS5294

Hi Team,

Please help for customer's questions.

In the datasheet "ADS5294 Octal-Channel 14-Bit 80-MSPS High-SNR and Low-Power ADC" there are the equations (2) and (3) in the section 9.6.1.9 for 24-tap and 23-tap filters.

What are the values of the coefficients h0..h11? They cannot be the same in both cases, because in the case of a constant input signal one of the two would not give the correct output value,

i.e. the same as the input.

Second question: if I use a custom filter (to decimate by 8) and I do not write any coefficient, what are the default values?

Could you help?

Thank you. Looking forward to hear from you.

Best regards,

Julie Ann


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