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IQS253

Azoteq
Part Number IQS253
Manufacturer Azoteq
Description Capacitive Sensor
Published May 13, 2015
Detailed Description IQ Switch® ProxSense® Series IQS253 Datasheet - Configurable 3 Channel DYCALTM Capacitive Sensor with Automatic Compensa...
Datasheet PDF File IQS253 PDF File

IQS253
IQS253

Overview
IQ Switch® ProxSense® Series IQS253 Datasheet - Configurable 3 Channel DYCALTM Capacitive Sensor with Automatic Compensation for Sensitivity Reducing Objects Unparallelled Features: J DYCALTM: Intelligent Hysteresis J Internal Capacitor Implementation (ICI) - Reference capacitor on-chip J Automatic Tuning Implementation (ATI) - Automatic adjustment for optimal sensor performance The IQS253 ProxSense® IC is a fully integrated capacitive sensor implementing Dynamic Calibration (DYCALTM) technology: intelligent hysteresis to allow for sensor drift even during sensor activation.
Main features: J Self or Projected Technology sensors J 3 Channels configurable as DYCALTM /Normal output J Self: Boolean direct output configurable through I2C J Supply voltage: 1.
8 V to 3.
6 V J Internal voltage regulator J Advanced on-chip digital signal processing J I2C adjustable settings • DYCALTM settings • Control over filter operation • Time-out for stuck key • Proximity and Touch sensitivity selections • Low Power options • Event Mode possible (only communicates if an event is detected) Applications: J Occupancy sensors J SAR complient sensors for Tablet PC’s J On-ear detection for mobile phones J 3D glasses J Personal Media Players J Any applications where a touch and proximity condition can exist for a extended period of time Advantages: J Allows for sensor drift in periods of activation and non-activation J Improved digital filtering to reduce external noise J Remote Control Sleep implementation J Gaming Controllers J Highly adjustable I2C device which only interrupts (Event Mode) when an event is detected J Proximity activated backlighting Copyright © IQS253 Datasheet V1.
04 Azoteq 1of 53 IQ Switch® ProxSense® Series Contents List of Figures 4 List of Tables 4 Revision History 4 List of Symbols 5 1 Functional Overview 6 1.
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6 2 Analogue Functionality 6 3 Digital Funct...


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