a high accuracy programmable gain amplifier has reduced temperature dependency , reduced supply voltage dependency , and supports accurate amplifier gain and accurate amplifier gain steps . the high accuracy programmable gain amplifier allows requirements compliant electronic devices to be fabricated that are capable of providing improved operational performance with less power consumption , hence extended battery life and improved operational availability . electronic devices that incorporate the high accuracy programmable gain amplifier described below , may experience reduced variations in operational performance resulting in a reduced need for post production calibration , reduced calibration data storage requirements , and reduced device control processor cycles for use in performing calibration operations , thereby allowing such devices to be produced at a lower cost and / or to provide users with increased operational performance and / or increased battery life and , hence , increased operational availability .