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QT100 fiches techniques PDF

QUANTUM - CHARGE-TRANSFER IC

Numéro de référence QT100
Description CHARGE-TRANSFER IC
Fabricant QUANTUM 
Logo QUANTUM 





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QT100 fiche technique
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LQ
QT100
CHARGE-TRANSFER QTOUCHIC
! 2V to 5V single supply operation
! 10µA low power mode @ 2V
! Self-calibrating on power-up
! Sensitivity easily adjusted
! Consensus filter for noise immunity
! Autorecalibration timeout
! HeartBeat™ health indicator on output
! Only a few passive external parts required
! RoHS compliant SOT23-6 package
OUT 1
VSS 2
SNSK 3
6 SYNC/MODE
5 VDD
4 SNS
The QT100 charge-transfer (‘QT’) touch sensor is a self-contained digital IC capable of detecting near-proximity or touch. It will
project a touch or proximity field through any dielectric like glass, plastic, stone, ceramic, and even most kinds of wood. It can
also turn small metal-bearing objects into intrinsic sensors, making them responsive to proximity or touch. This
capability, coupled with its ability to self-calibrate, can lead to entirely new product concepts.
It is designed specifically for human interfaces, like control panels, appliances, toys, lighting controls, or anywhere a
mechanical switch or button may be found.
Power consumption is less than 500µA in most applications when running in Fast response mode. This typically drops to
5-10µA at 2V VDD in Low Power mode, depending on the burst length. In most cases the power supply need only be minimally
regulated; for example, by Zener diodes or an inexpensive three-terminal regulator. The QT100 only requires a common
inexpensive X7R ceramic capacitor in order to function.
The QT100’s Reduced Instruction Set Computer ( RISC) core employs signal processing techniques pioneer ed by Quantum;
these are specifically designed to make the device survive real-world challenges, such as ‘stuck sensor’ conditions and signal
drift.
The Quantum-pioneered HeartBeat™ signal is also included, allowing a microcontroller to monitor the health of the QT100
continuously, if desired. By using the charge transfer principle, the IC delivers a level of performance clearly superior to older
technologies in a highly cost-effective package.
LQ
AVAILABLE OPTIONS
TA
-40ºC to +85ºC
6-pin SOT23-6
QT100-ISG
CCopyright © 2006 QRG Ltd
QT100-ISG R3.06/0606

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