NCD98011 12-Bit SAR ADC onsemi NCD98011 12-Bit Successive-approximation (SAR) Analog to Digital Converter (ADC) provides a low power solution using the capacitor-based SAR architecture. This ADC is optimized for low power and speed and achieves a sample rate of 2MSPS while consuming less than 1mW of power. The NCD98011 ADC comes with an SPI-compatible interface that provides a straight-forward data-acquisition method. This ADC features a large input voltage range (±VCC Vppd) and a 1.8V to 3.3V wide digital supply voltage range for direct interfacing with many controllers. The NCD98011 ADC offers a signed output. Typical applications include low-power data acquisition, battery-powered equipment, level sensors, ultrasonic flow meters, motor controls, wearable fitness, portable medical equipment, and glucose meters.