32.4 A 1V-Supply $1.85\mathrm{V}_{\text{PP}}$ -Input-Range 1kHz-BW 181.9dB-FOMDR179.4dB-FOMSNDR 2nd-Order Noise-Shaping SAR-ADC with Enhanced Input Impedance in 0.18μm CMOS | IEEE Conference Publication | IEEE Xplore