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ADC with 12 bits output

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Tivgar

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Hi,

Some question regarding digital low pass filter for ADC.
If I need 12 ENOB output do I have to implement dcimation filter (CIC) with decimation factor at least 4096? And ENOB and stable output bits are the sam
 

If I need 12 ENOB output do I have to implement decimation filter (CIC) with decimation factor at least 4096?
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Most likely much lower, depends on the modulator characteristic and it's output spectrum. Refer to basic SD ADC literature.

I'm not aware of clear definition of stable output bits.
 

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