DESCRIPTION

· The FDC1004-Q1 is a 4-channel capacitance-to-digital converter designed for capacitive sensing applications.

· It supports grounded capacitor sensors, offering low-power, low-cost, and high-resolution contactless sensing.

· The device can handle a sensor offset capacitance of up to 100pF and includes shield drivers to reduce EMI interference.

· It is available in a 10-pin VSSOP package with an I2C interface for MCU communication.

FEATURES

· Qualified for automotive applications with AEC-Q100 certification.

· Operates in a temperature range of –40°C to 125°C.

· Input range of ±15pF with a measurement resolution of 0.5fF.

· Programmable output rates of 100/200/400 S/s.

· Supply voltage of 3.3V with active current consumption of 750µA and standby current of 29µA.

· Maximum shield load of 400pF.

APPLICATIONS

· Proximity sensors and gesture recognition.

· Automotive door/kick sensors and rain sensors.

· Remote and direct liquid level sensing.

· High-resolution metal profiling and material size detection.

· Rain/fog/ice/snow sensors.