Digital-to-analog converter comprising means for improving the conversion linearity

The invention relates to for converting the numerical value the analogue quantity the digital-to-analog converter; the converter comprises a to the numerical value the function end is used for a current source, so that the number of with a reflective to the analogue quantity value of the output current, wherein the converter comprises for generating a cylindrical to the output current the correction current device; the correction current with the output current square with the ratio comprises a device. : ADigital-to-analog converter.