%0 Journal Article %T Low power 9-bit 500 kS/s 2-stage cyclic ADC using OTA variable bias current %A Díaz-Madrid, José Ángel %A Doménech-Asensi, Ginés %A Ruiz-Merino, Ramón %A Zapata, Juan %A Martínez, José Javier %J Analog Integrated Circuits and Signal Processing %V 105 %N 1 %P 45-55 %@ 0925-1030 %D 2020-10-04 %I Springer US %~ DeepDyve