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Data Sheet
FDC2x1x-Q1 Multi-Channel, High Resolution Capacitance-to-Digital Converter for Capacitive
Sensing Applications
1 Features
- Qualified for automotive
applications
- AEC-Q100 qualified with the following
results:
- Device temperature grade 1: –40°C to
+125°C ambient operating temperature range
- Device HBM ESD classification level
2
- Device CDM ESD classification level
C5
- EMI-resistant architecture
- Maximum output rates (one active
channel):
- 13.3kSPS (FDC2112-Q1,
FDC2114-Q1)
- 4.08kSPS (FDC2212-Q1,
FDC2214-Q1)
- 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
- RMS noise: 0.3fF at 100SPS and
fSENSOR = 5MHz
- 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
- Automotive door / kick sensors
- Level sensor for conductive liquids
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