IQS253 Datasheet | Azoteq

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 Prox Sense® 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 municates if an event is detected) Applications: J Occupancy sensors J SAR plient 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® Prox Sense® Series Contents List of Figures List of Tables Revision History List of Symbols 1 Functional...