| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | ADC12138 |  1Mb/41P | Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |
 National Semiconductor ... | ADC12138CIMSA |  1Mb/41P | Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |
| ADC12138CIMSA |  1Mb/42P | Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |
 National Semiconductor ... | ADC12138CIN |  1Mb/41P | Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |
| ADC12138CIN |  1Mb/42P | Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |
 National Semiconductor ... | ADC12138CIWM |  1Mb/41P | Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |
| ADC12138CIWM |  1Mb/42P | Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |
 National Semiconductor ... | ADC12138CIWMX |  1Mb/42P | Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |