Datasheet > QT1081-ISG

QT1081-ISG

更新时间： 2024-11-04 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
20页	242K
描述
8-KEY QTOUCH SENSOR IC

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技术参数
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QT1081-ISG 技术参数

生命周期：	Transferred	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.58
Base Number Matches：	1

QT1081-ISG 数据手册

QT1081

8-KEY QTOUCH™ SENSOR IC

This datasheet is applicable to all revision 1 chips

The QT1081 is an improved, lower cost, simplified circuit version of the

popular QT1080 sensor IC. The QT1081 is designed for low cost

appliance, mobile, and consumer electronics applications.

22 21 20 19 18

QTouch™ technology is a type of patented charge-transfer sensing

method well known for its robust, stable, EMC-resistant characteristics.

It is the only all-digital capacitive sensing technology in the market

today. This technology has over a decade of applications experience

spanning thousands of designs.

SNS5

OUT_0

SNS4K

SNS4

OUT_1 26

OUT_2 27

OUT_3 28

SNS3K

QT1081

32-QFN

OUT_4

OUT_5 30

OUT_6

SNS3

SNS2K

SNS2

SN1K

QTouch circuits are renowned for simplicity, reliability, ease of design,

and cost effectiveness.

OUT_7 32

QTouch™ sensors employ a single reference capacitor tied to two pins

of the chip for each sensing key; a signal trace leads from one of the

pins to the sensing electrode which forms the key. The sensing

electrode can be a simple solid shape such as a rectangle or circle. An

LED can be placed near or inside the solid circle for illumination.

The key electrodes can be designed into a conventional printed circuit

board (PCB) or flexible printed circuit board (FPCB) as a copper

pattern, or as printed conductive ink.

The QT1081 is also compatible with clear films to make simple

button-style touch screens over LCD displays.

AT A GLANCE

Number of keys:

1 to 8

Patented spread-spectrum charge-transfer (one-per-key mode)

Technology:

Key outline sizes:

Key spacings:

Electrode design:

Layers required:

Substrates:

5mm x 5mm or larger (panel thickness dependent); widely different sizes and shapes possible

6mm or wider, center to center (panel thickness, human factors dependent)

Single solid or ring shaped electrodes; wide variety of possible layouts

One layer substrate; electrodes and components can be on same side

FR-4, low cost CEM-1 or FR-2 PCB materials; polyamide FPCB; PET films, glass

Copper, silver, carbon, ITO, Orgacon^†ink (virtually anything electrically conductive)

Plastic, glass, composites, painted surfaces (low particle density metallic paints possible)

Compatible with grounded metal immediately next to keys

Electrode materials:

Panel materials:

Adjacent Metal:

Panel thickness:

Key sensitivity:

Outputs:

Up to 50mm glass, 20mm plastic (key size dependent)

Settable via change in reference capacitor (Cs) value

Parallel discrete output, one-per-key, active-high

Moisture tolerance:

Power:

Good

2.8V ~ 5.0V, <15µA (8 keys at 2.8V, 340ms Low Power mode).

32-pin 5 x 5mm QFN RoHS compliant

Package:

Signal processing:

Applications:

Patents:

Self-calibration, auto drift compensation, noise filtering, patented Adjacent Key Suppression^TM

Portable devices, domestic appliances and A/V gear, PC peripherals, office equipment

AKS™ (patented Adjacent Key Suppression)

QTouch™ (patented Charge-transfer method)

^†Orgacon is a registered trademark of Agfa-Gevaert N.V

AVAILABLE OPTION

T_A

32-QFN

QT1081-ISG

-40^oC to +85^oC

QT1081_1R0.04_0307

12 3 4 5 6 7...20

中文翻译

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与QT1081-ISG相关器件

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QT10E-SERIES	ETC	获取价格	Peripheral IC
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QT10T-SERIES	ETC	获取价格	Peripheral IC
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QT110_05	QUANTUM	获取价格	QTOUCH⑩ SENSOR IC
QT1100A	QUANTUM	获取价格	10 KEY QTOUCH SENSOR IC
QT1100A-ISG	QUANTUM	获取价格	10 KEY QTOUCH SENSOR IC
QT1101	QUANTUM	获取价格	10 KEY QTOUCH SENSOR IC
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