A digital-to-analog converter (DAC) includes a decoder unit for receiving an external digital data signal operating over a first predefined voltage range (i.e., 0-5V); a resistor array for generating a plurality of gray voltages defined across a second voltage range that is substantially wider than the...http://www.google.com/patents/US7489262?utm_source=gb-gplus-sharePatent US7489262 - Digital to analog converter having integrated level shifter and method for using same to drive display device
