A micro power sigma-delta A/D converter in 0.35-μM CMOS for low frequency applications


A very low-power single loop second order 12-bit sigma- delta (SigmaDelta) A/D converter in 0.35-mum triple metal, double poly CMOS technology has been designed for low frequency applications. The A/D converter includes a second-order SigmaDelta modulator together with a DSP circuit comprising of a cascade of CIC and FIR digital filters. The design was… (More)


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