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QT113H-D Datasheet

  • QT113H-D

  • CHARGE-TRANSFER TOUCH SENSOR

  • 12頁(yè)

  • ETC

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QProx鈩?QT113 / QT113H
鈩?/div>
C
HARGE
-T
RANSFER
T
OUCH
S
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, 600碌A(chǔ) single supply operation
碌
Toggle mode for on/off control (strap option)
10s, 60s, infinite auto-recal timeout (strap options)
Gain settings in 2 discrete levels
HeartBeat鈩?health indicator on output
Active-low (QT113) or active-high outputs (QT113H)
Only one external part required - a 1壟 capacitor
Vdd
O ut
O pt1
O pt2
1
8
Vss
Sn s2
Sn s1
Gain
Q T113
2
3
4
7
6
5
APPLICATIONS -
!
!
Light switches
Prox sensors
!
!
Appliance control
Security systems
!
!
Access systems
Pointing devices
!
!
Elevator buttons
Toys & games
The QT113 charge-transfer (鈥淨(jìng)T鈥欌€? 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 600碌A(chǔ) 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鈥檚 RISC core employs signal processing techniques pioneered by Quantum; these are specifically designed to make the
device survive real-world challenges, such as 鈥榮tuck sensor鈥?conditions and signal drift. Even sensitivity is digitally determined and
remains constant in the face of large variations in sample capacitor C
S
and electrode C
X
. No external switches, opamps, or other
analog components aside from C
S
are usually required.
The option-selectable toggle mode permits on/off touch control, for example for light switch replacement. The Quantum-pioneered
HeartBeat鈩?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.
T
A
0 C to +70
0
C
0
0
C to +70
0
C
-40
0
C to +85
0
C
-40
0
C to +85
0
C
0
AVAILABLE OPTIONS
SOIC
QT113-S
QT113H-S
QT113-IS
QT113H-IS
8-PIN DIP
QT113-D
QT113H-D
-
-
Copyright Quantum Research Group Ltd
R1.10/0104
Quantum Research Group Ltd

QT113H-D 產(chǎn)品屬性

  • 60

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 觸摸屏控制器

  • QProx™

  • 電容性

  • 2 線

  • 1 鍵

  • 14 b

  • 可供

  • 串行

  • -

  • 內(nèi)部

  • 2.45 V ~ 5.25 V

  • 600µA

  • 0°C ~ 70°C

  • 通孔

  • 8-DIP（0.300"，7.62mm）

  • 8-DIP

  • 散裝

  • 427-1012

QT113H-D相關(guān)型號(hào)PDF文件下載

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