Integrable sigma-delta modulator of the switched-capacitor type

摘要

A sigma-delta modulator in switched-capacitor technology having at least one storage element, at least one comparator and at least one integrator having an input stage with a first switch, a first capacitor and a second switch in series, in which arrangement a reference potential can be applied to the two terminals of the first capacitor in each case via a third and fourth switch, respectively, and having an additional second input stage, connected in parallel with the first one, having at least one integrator with a fifth switch, a second capacitor and a sixth switch in series, in which arrangement a reference potential can be applied to the two terminals of the second capacitor in each case via a seventh and eighth switch, respectively. …IMAGE…