Patent ID: 8686985

Claim:
A device, comprising: a reference voltage generator configured to generate a plurality of reference voltages; a plurality of drive buffers configured to generate drive voltages according to at least one of the reference voltages, and to drive at least a portion of a display to present data according to the drive voltages, wherein at least one of the drive buffers comprises: a switch configured to receive one or more of the reference voltages from the reference voltage generator and to select at least one of the reference voltages; and an active driver configured to generate at least one of the drive voltages by actively driving the at least one of the drive voltages at an output of the active driver toward the at least one of the reference voltages selected by the switch; wherein the active driver is configured to (1) initially adjust the at least one of the drive voltages to a value within a voltage window, wherein the voltage window is a voltage range including the at least one of the reference voltages selected by the switch, and (2) set the at least one drive voltage to substantially correspond to the selected reference voltage subsequent to initially adjusting the at least one drive voltage to the value within the voltage window.