QT115IS Overview
The current supply of the device has been set to 60 µA. As long as it is operating, it should be warmer than -40 °C. In this case, the maximum Operating Temperature is 85 °C.
QT115IS Features

QT115IS Applications
There are a lot of Atmel
QT115IS Capacitive Sensors applications.

Level Sensor for Liquids, including Conductive ones such as Detergent, Soap, and Ink
Collision Avoidance
Rain, Fog, Ice, Snow Sensor
Automotive Door and Kick Sensors
Compact Capacitive Keyboards
Remote Control Trackpads
Appliances
Navigation devices
Kiosks and POS terminals
E-reader

RoHS	Non-Compliant
Max Operating Temperature	85 °C
Min Operating Temperature	-40 °C
Operating Supply Current	60 µA