Analog-to-digital converter

A Second-Order Noise-Shaping SAR ADC With Passive Integrator and Tri-Level Voting

JSSC, 2019

A 174.3-dB FoM VCO-Based CT ΔΣ Modulator With a Fully-Digital Phase Extended Quantizer and Tri-Level Resistor DAC in 130-nm CMOS

JSSC, 2017