ATMEL AT42QT1012-TSHR 电容式触摸传感器, 一通道, 1.8 V, 5.5 V, SOT-23, 6 引脚, -40 °C
The is a Single Key Device features a touch on/touch off toggle output and programmable auto switch-off capability. The digital burst mode charge-transfer QT™ sensor is designed specifically for touch controls. It includes all hardware and signal processing functions necessary to provide stable sensing under a wide variety of changing conditions. Only low cost, noncritical components are required for operation. This device can suit almost any product needing a power switch or other toggle-mode controlled function, especially small appliances and battery-operated products. A unique environmentally-conscious feature of this device is its timeout function, which can turn off power after a specified time delay ranging from minutes to an hour.
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One, Toggle Mode Touch-on/Touch-off, Plus Programmable Auto-off Delay and External Cancel
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Configurable as Either a Single Key or a Proximity Sensor
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Patented Spread-S 6 x 6mm or larger technology, Widely different sizes and shapes possible
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Solid or Ring Electrode Shape Design
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1 PCB Layer Required
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Etched Copper, Silver, Carbon and Indium Tin Oxide ITO Electrode Materials
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PCB, FPCB, Plastic Films and Glass Electrode Substrates
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Plastic, Glass, Composites and Painted surfaces possible Panel Materials
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Up to 12mm Glass, 6mm Plastic Electrode Size and Cs Dependent Panel Thickness
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Key Sensitivity Settable Via External Capacitor Cs
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Digital Output, Active High or Active Low Hardware Configurable Interface
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Increased Moisture Tolerance Based on Hardware Design and Firmware Tuning
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Self-calibration, Auto Drift Compensation, Noise Filtering Signal Processing