FDC2112DNTT

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> Sensors & Transducers

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Details for Texas Instruments

FDC2112DNTT

Two channel, 12 bit noise-immune capacitive sensing solution for proximity sensing
Buy Directly from Texas Instruments (6330 in Stock)
$1.2500 per unit
Series Information for FDC2112DNTT - Texas Instruments

Features

  • feature
    EMI-Resistant Architecture
  • feature
    Interface: I2 C
  • feature
    Low-Power Sleep Mode: 35 uA
  • feature
    Maximum Input Capacitance: 250 nF (at 10 kHz with 1 mH inductor)
  • feature
    Maximum Output Rates (one active channel): u2013 13.3 ksps (FDC2112, FDC2114) u2013 4.08 ksps (FDC2212, FDC2214)
  • feature
    Number of channels: 2, 4
  • feature
    Power Consumption: Active: 2.1 mA
  • feature
    Resolution: up to 28 bits
  • feature
    Sensor Excitation Frequency: 10 kHz to 10 MHz
  • feature
    Shutdown: 200 nA
  • feature
    Supply Voltage: 2.7 V to 3.6 V
  • feature
    System Noise Floor: 0.3 fF at 100 sps
  • feature
    Temperature range: -40u00b0C to +125u00b0C

Description

CAPACITANCE TO DIGITAL CONV 2CH WSON12
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. 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.

Specifications

IC Interface Type:
I2C
Supply Voltage Min:
2.7V
Supply Voltage Max:
3.6V
Sensor Case Style:
WSON
No. of Pins:
12Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

Capacitance to Digital Converter 12-Pin WSON T/R

Avnet America product

Avnet Europe

Capacitance to Digital Converter 12-Pin WSON T/R

Avnet Europe product

Texas Instruments

Two channel, 12 bit noise-immune capacitive sensing solution for proximity sensing

Texas Instruments product