Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
The ADC12030 and ADC12H030 families are 12-bit plus sign successive approximation A/D converters featuring serial I/O and configurable input multiplexers. The ADC12032/ADC12H032, ADC12034/ADC12H034, and ADC12038/ADC12H038 variants include 2, 4, and 8 channel multiplexers, respectively. These devices support differential multiplexer outputs and A/D inputs on specific pins and offer a self-calibration process to adjust linearity, zero, and full-scale errors.
| Resolution | 12-bit plus sign |
|---|---|
| Conversion time (ADC12H030 family) | 5.5 us (max) |
| Conversion time (ADC12030 family) | 8.8 us (max) |
| Integral linearity error | +1 LSB (max) |
| Single supply voltage | 5V +10% |
| Power dissipation (max) | 33 mW |
The device accommodates a fully differential unipolar analog input range of 0V to +5V with a single +5V supply.
Yes, the serial I/O is configured to comply with the NSC MICROWIRE.
The ADC12030/ADC12H030 has a two channel multiplexer, while the ADC12032/ADC12H032, ADC12034/ADC12H034, and ADC12038/ADC12H038 have 2, 4, and 8 channel multiplexers respectively.