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Data Sheet
FDC2x1x Multi-Channel, High Resolution Capacitance-to-Digital Converter for Capacitive
Sensing Applications
1 Features
- EMI-resistant architecture
- Maximum output rates (one active channel):
- 13.3kSPS (FDC2112, FDC2114)
- 4.08kSPS (FDC2212, FDC2214)
- Maximum input capacitance: 250nF (at 10kHz with 1mH inductor)
- Sensor excitation frequency: 10kHz to 10MHz
- Number of channels: 2, 4
- Resolution: up to 28 bits
- System noise floor: 0.3fF at 100SPS
- Supply voltage: 2.7V to 3.6V
- Power consumption: active: 2.1mA
- Low-power sleep mode: 35µA
- Shutdown: 200nA
- Interface: I2C
- Temperature range: –40°C to +125°C
2 Applications
- Proximity sensor
- Gesture recognition
- Level sensor for liquids, including conductive ones such as detergent, soap, and ink
