Azoteq IQS263B Capacitive Touch Sensor
Azoteq IQS263B ProSense IC is a 3-channel capacitive proximity and touch controller with class sensitivity, Signal to Noise Ratio (SNR) and power consumption. The device has 4 pins for connection of sense electrodes, which consist of 3 self electrodes, or 3 receivers and 1 transmitter. IQS263B IC's automatically track varying environmental changes via filters, detects noise and is equipped with an Automatic Tuning Implementation (ATI) for optimal sensitivity. These ProSense IC's work on a chip movement detection algorithm.
Features
3 Self or mutual channel capacitive controllerConfigurable 8-bit 2/3 channel slider or 3 channel scroll wheelUp to 80Hz report rateOn chip movement detection algorithmSAR compliance in mobile devicesLeft and right flick gesture recognitionAutomatic adjustment for optimal performance (ATI)User selectable proximity and touch thresholdsLong proximity rangeAutomatic drift compensationFast I2C interface
Applications
SAR detection for tablets and mobile phonesSAR detection for wireless charging stations (operating frequency > 100MHz)SAR detection for USB dongle-type devicesSliders/Scroll wheels for remote controlsMovement detection devices (anti-theft)Volume control & lid closure detection for laptopsMP3 playersPortable electronicsWearable electronics
Specifications
Operating temperature -20°C to 85°CSupply voltage (VDDHI – GND) 3.6VMaximum pin voltage VDDHI + 0.5V (may not exceed VDDHI max)Maximum continuous current (for specific Pins) 10mAMinimum pin voltage GND - 0.5VMinimum power-on slope 100V/sESD protection ±8kV (Human body model)
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