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See Technical Specifications

AT42QT1011-MAHR

Capacitive Touch Buttons 8-UDFN, USON

Manufacturer:

MICROCHIP
Mfr.Part #:

AT42QT1011-MAHR
Datasheet:

AT42QT1011-MAHR Datasheet (PDF)
Series:

QTouch™
Programmabe:

Not Verified
Type:

Buttons
Proximity Detection:

Yes
EDA/CAD Models:

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AT42QT1011-MAHR General Description

The AT42QT101x Single Key capacitive touch controller family provides an easy way to add a touch key to any application. It implements advanced filtering algorithm to offer robust operation in noisy environment. Sensitivity and low power modes can be configured as well.

The AT42QT1011 output will remain high as long as a touch is detected. No "Max On" time out.

The AT42QT1010 has "maximum on" touch duration of ~ 60s. The device output will then go low and a subsequent touch event can be detected.

The AT42QT1012 has touch-on/touch-off (toggle) functionality and a Auto Off timer to save on power consumption.

Key Features

Number of Keys: One – configurable as either a single key or a proximity sensor
Key outline sizes: 6 mm × 6 mm or larger (panel thickness dependent); widely different sizes and shapes possible
Electrode design: Solid or ring electrode shapes
PCB Layers required: One
Electrode materials: Etched copper, silver, carbon, Indium Tin Oxide (ITO)
Panel thickness: Up to 12 mm glass, 6 mm plastic (electrode size and Cs dependent)
Key sensitivity: Settable via capacitor (Cs)
Power consumption: 17 µA at 1.8 V typical
Applications: Control panels, consumer appliances, IoT, proximity sensor applications, toys, lighting controls, mechanical switch or button replacement

Specifications

Series	QTouch™	Programmabe	Not Verified
Type	Buttons	Proximity Detection	Yes
Number of Inputs	1	Resolution	14 b
Voltage - Supply	1.8V ~ 5.5V	Current - Supply	378.5µA
Operating Temperature	-40°C ~ 85°C	Mounting Type	Surface Mount
Base Product Number	AT42QT1011