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FDC2212 - Capacitance-to-Digital Converter

General Description

Capacitive sensing is a low-power, low-cost, highresolution contactless sensing technique that can be applied to a variety of applications ranging from proximity detection and gesture recognition to remote liquid level sensing.

Key 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: 2.1.

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Other Datasheets by Texas Instruments

Part Number Description
FDC2214 Capacitance-to-Digital Converter
FDC2112 Capacitance-to-Digital Converter
FDC2114 Capacitance-to-Digital Converter
FDC1004 4-Channel Capacitance-to-Digital Converter
FDC1004Q 4-Channel Capacitance-to-Digital Converter

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community 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: 2.