IQS243

IQS243 Datasheet IQ Switch® - ProxSense® Series 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 antenna. 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 (VisualProxSense 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 -40°C to 85°C MSOP-10 IQS243 IQ Switch® ProxSense® Series Functional Overview 1 Introduction The IQS243 is a three channel capacitive prox...