Datasheet > AT42QT1070

AT42QT1070

更新时间： 2024-11-20 14:50:39

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
34页	399K
描述
The AT42QT1070 (QT1070) is a digital burst mode charge-transfer capacitive sensor driver. The devi

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数据手册

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AT42QT1070 数据手册

Atmel AT42QT1070

Seven-channel QTouch^®Touch Sensor IC

DATASHEET

Features

 Configurations:

 Comms mode

 Standalone mode

 Number of Keys:

 Comms mode: 1 – 7 keys (or 1 – 6 keys plus a Guard Channel)

 Standalone mode: 1 – 4 keys plus a fixed Guard Channel on key 0

 Number of I/O Lines:

 Standalone mode: 5 outputs

 Technology:

 Patented spread-spectrum charge-transfer

 Key Outline Sizes:

 6 mm x 6 mm or larger (panel thickness dependent); widely different sizes and

shapes possible

 Layers Required:

 One

 Electrode Materials:

 Etched copper; Silver; Carbon; Indium Tin Oxide (ITO)

 Panel Materials:

 Plastic; Glass; Composites; Painted surfaces (low particle density metallic

paints possible

 Panel Thickness:

 Up to 10 mm glass; Up to 5 mm plastic (electrode size dependent)

 Key Sensitivity:

 Comms mode: individually settable via simple commands over I²C-compatible

interface

 Standalone mode: settings are fixed

 Interface:

 I²C-compatible slave mode (400 kHz). Discrete detection outputs

 Signal Processing:

 Self-calibration

 Auto drift compensation

 Noise filtering

 Adjacent Key Suppression^®(AKS^®) – up to three groups possible

 Power:

 1.8 V – 5.5 V

 Package:

 14-pin SOIC RoHS compliant IC

 20-pin VQFN RoHS compliant IC

9596C–AT42–05/2013

12 3 4 5 6 7...34

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