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9505H–AT42–04/2015
Features
Configurations:
Can be configured as a combination of keys and input/output lines
Number of QTouch
®
Keys:
Two to six
Number of I/O Lines:
Seven, configurable for input or output, with PWM control for LED driving
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
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 (electrode size dependent)
Up to 5 mm plastic (electrode size dependent)
Key Sensitivity:
Individually settable via simple commands over serial interface
Interface:
I
2
C-compatible slave mode (100 kHz). Discrete detection outputs
Moisture Tolerance:
Increased moisture tolerance based on hardware design and firmware tuning
Signal Processing:
Self-calibration
auto drift compensation
noise filtering
Adjacent Key Suppression
®
(AKS
®
)
Applications:
Mobile appliances
Power:
1.8 V to 5.5 V
Package:
28-pin 4 x 4 mm QFN RoHS compliant IC
Atmel AT42QT1060
Six-channel QTouch
®
Touch Sensor IC
DATASHEET
Verzeichnis
