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FDC2212, FDC2214, FDC2112, FDC2114
SNOSCZ5A – JUNE 2015 – REVISED JUNE 2015
FDC2x1x EMI-Resistant 28-Bit,12-Bit Capacitance-to-Digital Converter for Proximity and Level Sensing Applications
1 Features
•1 EMI-Resistant Architecture • Maximum Output Rates (one active channel):
– 13.
3 ksps (FDC2112, FDC2114) – 4.
08 ksps (FDC2212, FDC2214) • Maximum Input Capacitance: 250 nF (at 10 kHz with 1 mH inductor) • Sensor Excitation Frequency: 10 kHz to 10 MHz • Number of channels: 2, 4 • Resolution: up to 28 bits • System Noise Floor: 0.
3 fF at 100 sps • Supply
Voltage: 2.
7 V to 3.
6 V • Power Consumption: Active:...