A 1-GS/s 9-bit Zero-Crossing-Based Pipeline ADC Using a Resistor as a Current Source

Abstract

A zero-crossing-based circuit (ZCBC) is a promising technique for low-power high-resolution pipeline analog-to-digital converters (ADCs). Unfortunately, operating ZCBC ADCs at high speeds near 1 GS/s is quite challenging due to the delay of the zero-crossing detector that introduces nonlinear gain and offset errors. To solve nonlinearity, we propose a ZCBC… (More)
DOI: 10.1109/TVLSI.2015.2508564

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