The AD7150 delivers a complete signal processing solution for capacitive proximity sensors, featuring an ultra low power converter with fast response time. The AD7150 uses Analog Devices' capacitance to digital converter (CDC) technology, which combines features important for interfacing to real sensors, such as a high input sensitivity and a high tolerance of both input parasitic ground capacitance and leakage current. The integrated adaptive threshold algorithm compensates for any variations in the sensor capacitance due to environmental factors like humidity and temperature, or changes in the dielectric material over time.