Datasheet > AT42QT1040

AT42QT1040

更新时间： 2024-11-19 06:38:23

品牌	Logo	应用领域
爱特美尔 - ATMEL		传感器
页数	文件大小	规格书
18页	306K
描述
QTouch™ 4-key Sensor IC

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中文翻译

获取价格

数据手册

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AT42QT1040 数据手册

Features

• Number of Keys:

– Up to 4

• Discrete Outputs:

– 4 discrete outputs indicating individual key touch

• Technology:

– Patented spread-spectrum charge-transfer (direct mode)

• Electrode Design:

– Simple self-capacitance style (refer to the Touch Sensors Design Guide)

QTouch^™4-key

Sensor IC

• Electrode Materials:

– Etched copper, silver, carbon, Indium Tin Oxide (ITO)

• Electrode Substrates:

– PCB, FPCB, plastic films, glass

• Panel Materials:

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

AT42QT1040

possible)

• Panel Thickness:

– Up to 10 mm glass, 5 mm plastic (electrode size dependent)

• Key Sensitivity:

– Fixed key threshold, sensitivity adjusted via sample capacitor value

• Adjacent Key Suppression^™

– Patented Adjacent Key Suppression^™(AKS^™) technology to enable accurate key

detection

• Interface:

– Pin-per-key outputs, plus debug mode to observe sensor signals

• Moisture Tolerance:

– Good

• Power:

– 1.8V ~ 5.5V

• Package:

– 20-pin 3 x 3 mm VQFN RoHS compliant

• Signal Processing:

– Self-calibration, auto drift compensation, noise filtering, Adjacent Key

Suppression technology

• Applications:

– Mobile, consumer, white goods, toys, kiosks, POS, and so on

9524B–AT42–04/09

12 3 4 5 6 7...18

中文翻译

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