A 25-µW All-MOS Potentiostatic Delta-Sigma ADC for Smart Electrochemical Sensors. - Stepan Sutula; Jofre Pallares Cuxart; Javier Gonzalo-Ruiz; Francesc Xavier Munoz-Pascual; Lluís Terés; Francisco Serra-Graells (IEEE Trans. Circuits Syst. I Regul. Pap., 2014)