ADC12H030/ADC12H032/ADC12H034/ADC12H038, ADC12030/.
National Semiconductor
ADC12038 - Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters
ADC12H030/ADC12H032/ADC12H034/ADC12H038, ADC12030/ADC12032/ADC12034/ADC12038 Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and .