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IQS243_15 Datasheet, PDF (1/30 Pages) List of Unclassifed Manufacturers – Sub 3uA current consumption
ProxSense® Series
IQS243 Datasheet
3 Channel Capacitive Sensor with I2CTM compatible interface and Compensation for
Sensitivity Reducing Objects
Unparalleled Features
Sub 3uA current consumption
Automatic tuning for optimal operation in various environments
The IQS243 ProxSense® IC is a fully integrated 3 channel capacitive contact and proximity
sensor with market leading sensitivity and automatic tuning to the sense electrode. The
IQS243 provides a cost effective implementation in a small outline package. The device is
ready for use in a large range of applications while the I2CTM compatible interface provides full
control to a host.
Main Features
3 Channel input device
Proximity & Touch on each channel
I2CTM Compatible data output
ATI: Automatic tuning to optimum sensitivity
Supply Voltage 1.8V (abs min) to 3.6V (abs max)
Multiple Power Modes
Internal voltage regulator and reference capacitor
Large proximity detection range
Automatic drift compensation
Development tools available (IQS243 GUI and USB dongles)
Small outline MSOP–10
Applications
White goods and appliances
Office equipment, toys, sanitary ware
Proximity detection that enables backlighting activation (Patented)
Wake-up from standby applications
Replacement for electromechanical switches
GUI trigger and GUI control proximity detection
Available options
TA
MSOP-10
-40°C to 85°C
IQS243
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All Rights Reserved
IQS243 Datasheet v1.5
Page 1 of 30
August 2014