ADC12441 Dynamically-Tested Self-Calibrating 12-Bi.
National Semiconductor
ADC12441883 - 12-Bit Plus Sign A/D Converter
ADC12441 Dynamically-Tested Self-Calibrating 12-Bit Plus Sign A D Converter with Sample-and-Hold November 1994 ADC12441 Dynamically-Tested Self-Cali.