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QT100

QUANTUM
Part Number QT100
Manufacturer QUANTUM
Description CHARGE-TRANSFER IC
Published Dec 19, 2006
Detailed Description www.DataSheet4U.com LQ ! ! ! ! ! ! ! ! ! 2V to 5V single supply operation 10µA low power mode @ 2V Self-calibrating on ...
Datasheet PDF File QT100 PDF File

QT100
QT100

Overview
www.
DataSheet4U.
com LQ ! ! ! ! ! ! ! ! ! 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 QT100 CHARGE-TRANSFER QTOUCH™ IC OUT VSS SNSK 1 2 3 6 5 4 SYNC/MODE VDD 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-effe...


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