Abstract:A ∆Σ ADC using an LSB-first quantizer (LSBFQ) is proposed. LSBFQ are energy-efficient ADCs for processing signals with low activity, and have been proposed as standalone quantizers for sensor and biomedical applications. Since the quantizers in highly oversampled multibit ∆Σ ADC process signals with low average activity, the LSBFQ is an ideal quantizer solution. In order to avoid clocking the LSBFQ at a rate much faster than the rest of the ∆Σ ADC, it is proposed that the quantizer be provided a fixed number o… Show more
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