The invention provides a method and apparatus for generating a precise and stable voltage at a high speed. More specifically, there is provided a D/A converter constructed using capacitors having capacitance values which are properly deviated from binary-weighted (2n) capacitance values. This D/A converter...http://www.google.com/patents/US5903234?utm_source=gb-gplus-sharePatent US5903234 - Voltage generating apparatus
