1. A CMOS imager, wherein the CMOS imager comprises: an image sensor; a sub-sample control system, wherein the sub-sample control system is operable to identify one or more signals from the image sensor that are not processed; an analog processing circuit, wherein the analog processing circuit receives the one or more signals from the image sensor at one or more inputs; and a processing control system, wherein the processing control system is operable to limit switching of the one or more inputs.