IQS227AS Datasheet (data sheet) PDF





IQS227AS Datasheet, Single Channel Capacitive Proximity/Touch Controller

IQS227AS   IQS227AS  

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IQ Switch® ProxSense® Series IQS227AS Datasheet IQ Switch® - ProxSense® Se ries Single Channel Capacitive Proximit y/Touch Controller The IQS227AS ProxSe nse® IC is a fully integrated Self Cap acitive sensor with dual outputs (Touch and Proximity outputs). Features  Sub 2.5µA in Low Power Mode while sen sing Proximity  Automatic Tuning Im plementation (ATI) - Automatic tuning o f sense electrode  Internal Capacit or Implementation (ICI) – reference c apacitor on-chip  Supply voltage: 1 .8V to 3.6V  Minimum external compo nents  Data streaming option  Ad vanced on-chip digital signal processin g RoHS2  User selectable (OTP): 4 Power Mode

IQS227AS Datasheet, Single Channel Capacitive Proximity/Touch Controller

IQS227AS   IQS227AS  
s IO sink / source Compliant Time-out for stuck key Output mode (Direct / La tch / Toggle) Proximity and Touch Butt on sensitivity 6 pin TSOT23-6 Represen tations only, not actual markings Appl ications  LCD, Plasma & LED TVs GSM cellular telephones – On ear de tection / touch keys  LED flashligh ts or headlamps  White goods and ap pliances  Office equipment, toys, s anitary ware  Flame proof, hazardou s environment Human Interface Devices  Proximity detection enables backlig hting activation  Wake-up from stan dby applications  Replacement for e lectromechanical switches  Find-In- The-Dark (FITD) applications  Autom otive: Door pocket lighting, electric w indow control  GUI trigger on Proxi mity detected Available options TA TSO T23-6 -20°C to 85°C IQS227AS Copyrig ht © Azoteq (Pty) Ltd 2016 All rights reserved IQS227AS Datasheet Revision 1 .10 Page 1 of 31 September 2017 IQ Sw itch® ProxSense® Series Contents IQS2 27AS DATASHEET ........................ ....................................... ....................................... ....................................... ... 1 1 OVERVIEW ...................... ....................................... ....................................... ..................................................... 4 2 ANALOGUE FUNCTIONALITY..








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