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QT118H-ISG PDF预览

QT118H-ISG

更新时间： 2024-11-04 03:39:35
品牌 Logo 应用领域
昆腾 - QUANTUM 传感器光电二极管
页数 文件大小 规格书
14页 422K
描述
CHARGE-TRANSFER TOUCH SENSOR

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中文翻译

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QT118H-ISG 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：,Reach Compliance Code：unknown
风险等级：5.64湿度敏感等级：1
Base Number Matches：1

QT118H-ISG 数据手册

 浏览型号QT118H-ISG的Datasheet PDF文件第2页浏览型号QT118H-ISG的Datasheet PDF文件第3页浏览型号QT118H-ISG的Datasheet PDF文件第4页浏览型号QT118H-ISG的Datasheet PDF文件第5页浏览型号QT118H-ISG的Datasheet PDF文件第6页浏览型号QT118H-ISG的Datasheet PDF文件第7页 
lQ  
QProx™ QT118H  
OUCH  
C
HARGE-TRANSFER  
T
S
ENSOR  
ꢀ
Less expensive than many mechanical switches  
Projects a ‘touch button’ through any dielectric  
ꢀ
ꢀ 100% autocal for life - no adjustments required  
ꢀ No active external components  
Vdd  
Out  
1
2
3
4
8
7
6
5
Vss  
ꢀ
Piezo sounder direct drive for ‘tactile’ click feedback  
LED drive for visual feedback  
ꢀ 2.5 ~ 5V single supply operation  
ꢀ
Sns2  
Sns1  
Gain  
ꢀ 10µA at 2.5V - very low power drain  
Opt1  
Opt2  
ꢀ Toggle mode for on/off control (via option pins)  
ꢀ 10s or 60s auto-recalibration timeout (via option pins)  
ꢀ Pulse output mode (via option pins)  
ꢀ
ꢀ
ꢀ
Gain settings in 3 discrete levels  
Simple 2-wire operation possible  
HeartBeat™ health indicator on output  
ꢀ Pb-Free package  
APPLICATIONS -  
ꢀ
ꢀ
Light switches  
Industrial panels  
ꢀ
ꢀ
Appliance control  
Security systems  
ꢀ
ꢀ
Access systems  
Pointing devices  
ꢀ
ꢀ
Elevator buttons  
Toys & games  
The QT118H charge-transfer (“QT’”) touch sensor is a self-contained digital IC capable of detecting near-proximity or touch. It will  
project a sense field through almost any dielectric, like glass, plastic, stone, ceramic, and wood. It can also turn small metal-bearing  
objects into intrinsic sensors, making them respond to proximity or touch. This capability coupled with an ability to self calibrate  
continuously can lead to entirely new product concepts.  
The device 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.  
A piezo element can also be connected to create a feedback click sound.  
The IC requires only a common inexpensive capacitor in order to function. Average power consumption is under 20µA in most  
applications, allowing battery operation.  
The QT118H employs digital signal processing techniques pioneered by Quantum, designed to make it survive real-world  
challenges, such as ‘stuck sensor’ conditions and signal drift. Sensitivity is digitally determined for the highest possible stability. No  
external active components are required for operation.  
The device includes several user-selectable built in features. One, toggle mode, permits on/off touch control, for example for light  
switch replacement. Another makes the sensor output a pulse instead of a DC level, which allows the device to 'talk' over the power  
rail, permitting a simple 2-wire twisted-pair interface. Quantum’s unique HeartBeat™ signal is also included, allowing a host  
controller to continuously monitor the health of the device.  
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  
TA  
00C to +700C  
-400C to +850C  
SOIC  
8-PIN DIP  
QT118H-DG  
-
-
QT118H-ISG  
lq  
©1999-2004 Quantum Research Group  
R1.08 / 0405  
1234567...14

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