feedback DAC errors


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Efficient determination of feedback DAC errors for digital correction in ΔΣ A/D converters

FREE-DOWNLOAD [PDF] N Krishnapura – Circuits and Systems (ISCAS), Proceedings of …, 2010
Abstract— Feedback DAC errors in a ∆Σ analog to digital converter are determined by measuring
the idle channel output and removing the DAC elements one by one. This method requires simple
computation, does not add excess loop delay, and requires no reconfiguration of the ∆Σ 




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