Datasheet > QT1080

QT1080

更新时间： 2024-11-25 03:39:31

品牌	Logo	应用领域
昆腾 - QUANTUM		传感器
页数	文件大小	规格书
16页	205K
描述
8 KEY QTOUCH SENSOR IC

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中文翻译

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QT1080 数据手册

QT1080

8 KEY QTOUCH™ SENSOR IC

Eight completely independent QT touch sensing fields

Designed for low-power portable applications

100% autocal for life - no adjustments required

Direct outputs - either encoded or ‘per key’

Fully debounced results

24 23 22

20 19 18 17

SNS5

SNS4K

SNS4

SNS3K

SNS3

SNS2K

SNS2

SN1K

OUT_0

OUT_1

OUT_2

OUT_3

OUT_4

OUT_5

OUT_6

2.8V to 5.0V single supply operation

QT1080

32-QFN

45µA current typ @ 3V in 360ms LP mode

AKS™ Adjacent Key Suppression

OUT_7 32

Spread spectrum bursts for superior noise rejection

Sync pin for excellent LF noise rejection

10ms ‘Fast mode’ for use in slider applications

RoHS compliant packages: 32-QFN and 48-SSOP

APPLICATIONS

! MP3 players

! Mobile phones

! PC peripherals

! Television controls

! Pointing devices

! Remote controls

QT1080 charge-transfer (’QT’) QTouch IC is a self-contained digital controller capable of detecting near-proximity or touch on

up to eight electrodes. It allows electrodes to project independent sense fields through any dielectric such as glass or

plastic. This capability coupled with its continuous self-calibration feature can lead to entirely new product concepts, adding

high value to product designs. The devices are designed specifically for human interfaces, like control panels, appliances,

gaming devices, lighting controls, or anywhere a mechanical switch or button may be found; they may also be used for some

material sensing and control applications.

Each of the channels operates independently of the others, and each can be tuned for a unique sensitivity level by simply

changing a corresponding external Cs capacitor.

AKS™ Adjacent Key Suppression (patent pending) suppresses touch from weaker responding keys and only allows a

dominant key to detect; for example to solve the problem of large fingers on tightly spaced keys.

Spread-spectrum burst technology provides superior noise rejection. These devices also have a SYNC/LP pin which allows for

synchronization with additional similar parts and/or to an external source to suppress interference, or, a Low Power (LP) mode

which conserves power.

By using the charge-transfer principle, this device delivers a level of performance clearly superior to older technologies yet is

highly cost-effective.

This part is available in both 32-QFN and 48-SSOP RoHS compliant packages.

AVAILABLE OPTIONS

T_A

32-QFN

48-SSOP

-40ºC to +85ºC

QT1080-ISG

QT1080-IS48G

QT1080 R11.06/0806

12 3 4 5 6 7...16

中文翻译

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与QT1080相关器件

型号	品牌	获取价格	描述	数据表
QT1080-IS48G	QUANTUM	获取价格	8 KEY QTOUCH SENSOR IC
QT1080-ISG	QUANTUM	获取价格	8 KEY QTOUCH SENSOR IC
QT1081	QUANTUM	获取价格	8-KEY QTOUCH SENSOR IC
QT1081-IS48G	ATMEL	获取价格	Analog Circuit,
QT1081-ISG	QUANTUM	获取价格	8-KEY QTOUCH SENSOR IC
QT10C-SERIES	ETC	获取价格	Peripheral IC
QT10E-SERIES	ETC	获取价格	Peripheral IC
QT10HC-SERIES	ETC	获取价格	Peripheral IC
QT10T-SERIES	ETC	获取价格	Peripheral IC
QT110	QUANTUM	获取价格	SENSOR ICs

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