Silicon Laboratories Inc.
Apparatus for sampling electrical signals with improved hold time and associated methods

Abstract:

An apparatus includes a sample-and-hold (S/H) circuit. The S/H circuit includes a first switch to provide an input signal that is to be sampled, and a second switch coupled to receive the sampled signal. The second switch is further coupled to a capacitor. The S/H circuit further includes at least one native transistor coupled to the second switch and to the capacitor.