Rainbow Electronics AT42QT1010 User Manual
Features
Note: This is a summary document.
A complete document is available.
For more information contact
www.atmel.com/touch.
Features
•
Number of Keys:
– One
– Configurable as either a single key or a proximity sensor
•
Technology:
– Patented spread-spectrum charge-transfer (direct mode)
•
Key outline sizes:
– 6 mm x 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)
•
Electrode substrates:
– PCB, FPCB, plastic films, glass
•
Panel materials:
– Plastic, glass, composites, painted surfaces (low particle density metallic paints
possible)
•
Panel thickness:
– Up to 12 mm glass, 6 mm plastic (electrode size and Cs dependent)
•
Key sensitivity:
– Settable via capacitor (Cs)
•
Interface:
– Digital output, active high
•
Moisture tolerance:
– Good
•
Power:
– 1.8V – 5.5V; 17 µA at 1.8V typical
•
Package:
– 6-pin SOT23-6 RoHS compliant
•
Signal processing:
– Self-calibration, auto drift compensation, noise filtering
•
Applications:
– Control panels, consumer appliances, proximity sensor applications, toys,
lighting controls, mechanical switch or button,
•
Patents:
– QTouch
®
(patented charge-transfer method)
– HeartBeat
™
(monitors health of device)
One-channel
Touch Sensor
IC
AT42QT1010
Summary
9541ES–AT42–02/10