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FDC2214 Datasheet PDF

Part Series:FDC2214 Series
Category:Capacitive Touch Sensors
Description:TEXAS INSTRUMENTS FDC2214RGHT Capacitive Touch Sensor, 2.7V, 3.6V, WQFN, 16Pins
Document:FDC2214RGHT Datasheet PDF (61 Pages)

FDC2214RGHT - TI Specifications

TYPE
DESCRIPTION
Number of Pins
16 Pin
Supply Voltage (DC)
2.70V (min)
Case/Package
QFN-16
Supply Current
2.1 mA
Number of Positions
16 Position
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FDC2214RGHT - TI Function Overview

The FDC2214RGHT is a Capacitance-to-Digital Converter that has low-power, high- resolution contactless sensing technique. The sensor in a capacitive sensing system is any metal or conductor, allowing highly flexible system design. The main challenge limiting sensitivity in capacitive sensing applications is noise susceptibility of the sensors. The device is multi-channel, noise-resistant, high-resolution and high-speed. 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.
EMI-resistant architecture
4.08ksps Maximum output rates (one active channel)
250nF Maximum input capacitance (at 10kHz with 1mH inductor)
10kHz to 10MHz Sensor excitation frequency range
4-channel Operation
Resolution up to 28-bit
0.3fF at 100sps System noise floor
2.1mA Power consumption active
35µA Low-power sleep mode
200nA Shutdown current
I²C Interface
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