Datasheet > QT113H

QT113H

更新时间： 2024-11-03 22:25:11

品牌	Logo	应用领域
其他 - ETC		传感器
页数	文件大小	规格书
12页	179K
描述
CHARGE-TRANSFER TOUCH SENSOR

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QT113H 数据手册

QProx™ QT113 / QT113H

C^HARGE-T^RANSFERT^OUCHS^ENSOR

! Projects a proximity field through air

! Less expensive than many mechanical switches

! Sensitivity easily adjusted via capacitor value

! Turns small objects into intrinsic touch sensors

! 100% autocal for life - no adjustments required

! 2.5 to 5V, 600µA single supply operation

! Toggle mode for on/off control (strap option)

! 10s, 60s, infinite auto-recal timeout (strap options)

! Gain settings in 2 discrete levels

Vdd

Out

Vss

Sns2

Sns1

Gain

Opt1

Opt2

! HeartBeat™ health indicator on output

! Active-low (QT113) or active-high outputs (QT113H)

! Only one external part required - a 1¢ capacitor

APPLICATIONS -

! Light switches

! Prox sensors

! Appliance control

! Security systems

! Access systems

! Pointing devices

! Elevator buttons

! Toys & games

The QT113 charge-transfer (“QT’”) touch sensor is a self-contained digital IC capable of detecting near-proximity or touch. It will

project a proximity sense field through air, via almost any dielectric, like glass, plastic, stone, ceramic, and 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 continuously 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; it may also be used for some material sensing and control applications provided that the presence

duration of objects does not exceed the recalibration timeout interval.

The QT113 requires only a common inexpensive capacitor in order to function.

Power consumption is only 600µA in most applications. In most cases the power supply need only be minimally regulated, for example

by Zener diodes or an inexpensive 3-terminal regulator.

The QT113’s RISC core employs signal processing techniques pioneered by Quantum; these are specifically designed to make the

device survive real-world challenges, such as ‘stuck sensor’ conditions and signal drift. Even sensitivity is digitally determined and

remains constant in the face of large variations in sample capacitor C_Sand electrode C_X. No external switches, opamps, or other

analog components aside from C_Sare usually required.

The option-selectable toggle mode permits on/off touch control, for example for light switch replacement. The Quantum-pioneered

HeartBeat™ signal is also included, allowing a host microcontroller to monitor the health of the QT113 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.

AVAILABLE OPTIONS

T_A

SOIC

8-PIN DIP

0⁰C to +70⁰C

-40⁰C to +85⁰C

QT113-S

QT113H-S

QT113-IS

QT113H-IS

QT113-D

QT113H-D

Quantum Research Group Ltd

R1.10/0104

12 3 4 5 6 7...12

中文翻译

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与QT113H相关器件

型号	品牌	获取价格	描述	数据表
QT113H-D	ETC	获取价格	CHARGE-TRANSFER TOUCH SENSOR
QT113H-IS	ETC	获取价格	CHARGE-TRANSFER TOUCH SENSOR
QT113H-S	ETC	获取价格	CHARGE-TRANSFER TOUCH SENSOR
QT113-IS	ETC	获取价格	CHARGE-TRANSFER TOUCH SENSOR
QT113-ISG	QUANTUM	获取价格	CHARGE-TRANSFER TOUCH SENSOR
QT113-S	ETC	获取价格	CHARGE-TRANSFER TOUCH SENSOR
QT114	QUANTUM	获取价格	CHARGE-TRANSFER QLEVEL SENSOR IC
QT114	QUALCOMM	获取价格	QLEVEL⑩ SENSOR IC
QT114_06	QUALCOMM	获取价格	QLEVEL⑩ SENSOR IC
QT114-D	QUANTUM	获取价格	CHARGE-TRANSFER QLEVEL SENSOR IC

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