Abstract
We present a single-channel fully-dynamic pipelined SAR ADC that leverages a novel quantizer and narrowband dither injection to achieve fast and comprehensive background calibration of DAC mismatch, interstage gain, and ring amplifier (ringamp) bias optimality. The ADC also includes an on-chip wide-range, fully-dynamic reference regulation system. Consuming 3.3 mW at 500 MS/s, it achieves 10.0 ENOB and 75.5 dB SFDR, yielding a Walden FoM of 6.2 fJ/c.s.
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