9525D–AT42–05/2013
Features
Number of Keys:
One
Configurable as either a single key or a proximity sensor
Economy:
Less expensive than many mechanical switches
Only one external part required – a low-cost capacitor
Signal processing:
Consensus filter for noise immunity
Sensitivity easily adjusted
100% autocal for life – no adjustments required
10 s, 60 s, infinite auto-recal timeouts (strap options)
Toggle mode for on/off control (strap option)
Interface:
Digital output, active high
Moisture tolerance:
Increased moisture tolerance based on hardware design and firmware tuning
Power:
2.5 V to 5 V, 600 µA single supply operation
Package:
8-pin SOIC
Applications:
Light switches, appliance control, access systems, elevator buttons, proximity
sensor applications, security systems, pointing devices, consumer devices,
mechanical switch or button
Patents:
QTouch
®
(patented charge-transfer method)
HeartBeat (monitors health of device)
Atmel QT113B
1-Channel QTouch
®
Touch Sensor IC
DATASHEET
9525D–AT42–05/2013
