Azoteq IQS227AS
The IQS227AS ProxSense® IC is a fully integrated Self Capacitive sensor with dual outputs (Touch and Proximity outputs). CONTACT INFORMATION 31 Copyright © Azoteq (Pty) Ltd 2016 All rights reserved IQS227AS Datasheet Revision 1.10 Page 2 of 31 September 2017 IQ Switch® ProxSense® Series List of Abbreviations ATI Automatic Tuning Implementation BP Boost Power Mode CS Counts (Number of Charge Transfers) Cs Internal...FEATURES
● Sub 2.5µA in Low Power Mode while sensing Proximity● Automatic Tuning Implementation (ATI) - Automatic tuning of sense electrode
● Internal Capacitor Implementation (ICI) – reference capacitor on-chip
● Supply voltage: 1.8V to 3.6V
● Minimum external components
● Data streaming option
● Advanced on-chip digital signal processing RoHS2
● User selectable (OTP): 4 Power Modes IO sink / source Compliant Time-out for stuck key Output mode (Direct / Latch / Toggle) Proximity and Touch Button sensitivity 6 pin TSOT23-6 Representations only, not actual markings
APPLICATIONS
● LCD, Plasma & LED TVs● GSM cellular telephones – On ear detection / touch keys
● LED flashlights or headlamps
● White goods and appliances
● Office equipment, toys, sanitary ware
● Flame proof, hazardous environment Human Interface Devices
● Proximity detection enables backlighting activation
● Wake-up from standby applications
● Replacement for electromechanical switches
● Find-In-The-Dark (FITD) application...