Abstract:This paper presents a high-speed successive approximation register (SAR) analog-to-digital converter (ADC) that takes advantage of both asynchronous SAR ADC and loop-unrolled (LU) SAR ADC. By utilizing the output of the dynamic amplifier (DA) to generate an asynchronous clock, the reset time for the DA can be hidden behind the comparator latching time. Dedicated latches for each digital-to-analog converter (DAC) element eliminate the need for DAC switching logic. The proposed inverter-inserted three-stage comp… Show more
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