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FDC2112 - Capacitance-to-Digital Converter

Download the FDC2112 datasheet PDF. This datasheet also covers the FDC2212 variant, as both devices belong to the same capacitance-to-digital converter family and are provided as variant models within a single manufacturer datasheet.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (FDC2212-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
FDC2114 Capacitance-to-Digital Converter
FDC2212 Capacitance-to-Digital Converter
FDC2214 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.

View original datasheet text
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.