12-pin (DNT) package image

FDC2112DNTR ACTIVE

2-Ch, 12-bit, capacitance to digital converter

ACTIVE custom-reels CUSTOM Custom reel may be available
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Pricing

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Additional package qty | Carrier options These products are exactly the same but come in a different carrier type

FDC2112DNTT OBSOLETE custom-reels CUSTOM Custom reel may be available
Package qty | Carrier 250 | SMALL T&R
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Qty | Price 1ku | +

Quality information

Rating Catalog
RoHS Yes
REACH Yes
Lead finish / Ball material SN
MSL rating / Peak reflow Level-1-260C-UNLIM
Quality, reliability
& packaging information

Information included:

  • RoHS
  • REACH
  • Device marking
  • Lead finish / Ball material
  • MSL rating / Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
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Additional manufacturing information

Information included:

  • Fab location
  • Assembly location
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Export classification

*For reference only

  • US ECCN: EAR99

Packaging information

Package | Pins WSON (DNT) | 12
Operating temperature range (°C) -40 to 125
Package qty | Carrier 4,500 | LARGE T&R

Features for the FDC2112

  • 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 mA
  • Low-Power Sleep Mode: 35 µA
  • Shutdown: 200 nA
  • Interface: I2C
  • Temperature range: –40°C to +125°C

Description for the FDC2112

Capacitive sensing is a low-power, low-cost, high-resolution contactless sensing technique that can be applied to a variety of applications ranging from proximity detection and gesture recognition to remote liquid level sensing. The sensor in a capacitive sensing system is any metal or conductor, allowing for low cost and highly flexible system design.

The main challenge limiting sensitivity in capacitive sensing applications is noise susceptibility of the sensors. With the FDC2x1x innovative EMI resistant architecture, performance can be maintained even in presence of high-noise environments.

The FDC2x1x is a multi-channel family of noise- and EMI-resistant, high-resolution, high-speed capacitance-to-digital converters for implementing capacitive sensing solutions. The devices employ an innovative narrow-band based architecture to offer high rejection of noise and interferers while providing high resolution at high speed. The devices support a wide excitation frequency range, offering flexibility in system design. A wide frequency range is especially useful for reliable sensing of conductive liquids such as detergent, soap, and ink.

The FDC221x is optimized for high resolution, up to 28 bits, while the FDC211x offers fast sample rate, up to 13.3ksps, for easy implementation of applications that use fast moving targets. The very large maximum input capacitance of 250 nF allows for the use of remote sensors, as well as for tracking environmental changes over time, temperature and humidity.

The FDC2x1x family targets proximity sensing and liquid level sensing applications for any type of liquids. For non-conductive liquid level sensing applications in the presence of interferences such as human hands, the FDC1004 is recommended, which has integrated active shield drivers.

Pricing

Qty Price
+

Additional package qty | Carrier options These products are exactly the same but come in a different carrier type

FDC2112DNTT OBSOLETE custom-reels CUSTOM Custom reel may be available
Package qty | Carrier 250 | SMALL T&R
Inventory
Qty | Price 1ku | +

Carrier options

You can choose different carrier options based on the quantity of parts, including full reel, custom reel, cut tape, tube or tray.

A custom reel is a continuous length of cut tape from one reel to maintain lot- and date-code traceability, built to the exact quantity requested. Following industry standards, a brass shim connects an 18-inch leader and trailer on both sides of the cut tape for direct feeding into automated assembly machines. TI includes a reeling fee for custom reel orders.

Cut tape is a length of tape cut from a reel. TI may fulfill orders using multiple strips of cut tapes or boxes to satisfy the quantity requested.

TI often ships tube or tray devices inside a box or in the tube or tray, depending on inventory availability. We pack all tapes, tubes or sample boxes according to internal electrostatic discharge and moisture-sensitivity-level protection requirements.

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Lot and date code selection may be available

Add a quantity to your cart and begin the checkout process to view the options available to select lot or date codes from existing inventory.

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