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AD7746 full scale adjustment

Question asked by ricky on Oct 15, 2014
Latest reply on Oct 22, 2014 by ricky

Hi All,


My customer is considering to use AD7746 capacitance-to-digital converter for his new design.

He asked me its full scale range performance.

The data sheet says that the full scale range is +/- 4pF (8pF range).

He need more narrower full scale range if possible, +/- 0.1pF full scale range will be perfect, however +/- 1pF should be okay.

Could you advice us any way to narrower full scale range?


Best Regards,