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IQS228AS Datasheet, PDF (1/30 Pages) List of Unclassifed Manufacturers – Single Channel Capacitive Proximity/Touch Controller | |||
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IQ Switch® ProxSense® Series
IQS228AS Datasheet
IQ Switch® - ProxSense® Series
Single Channel Capacitive Proximity/Touch Controller
The ProxSense® IQS228AS is a single channel self-capacitive sensor with Dynamic Calibration
(DYCALâ¢) to allow for sensor drift during prolonged activation.
Features
ï· 1 Self capacitive channel
ï· DYCALâ¢: Intelligent Hysteresis
ï· Proximity and Touch outputs
ï· Automatic Tuning
ï· Internal Reference Capacitor
RoHS2
ï· Minimum external components
ï· 1-Wire data streaming
ï· I2C Debug option
ï· User selectable options (OTP):
ï· Ext sync control or Ext filter control
ï· I/O Sink or Source selection
ï· Time-out for stuck key
ï· Proximity and Touch sensitivity selections
ï· Low Power modes
ï· Low power mode 2.5ïA
ï· Supply voltage: 1.8V to 3.6V
Compliant
6 pin TSOT23-6
Representations only,
not actual markings
Applications
ï· Proximity sensors
ï· SAR detection for Tablets
ï· On-ear detection for mobile phones
ï· 3D glasses
ï· Personal Media Players
ï· White goods and appliances
ï· Human Interface Devices
ï· Proximity activated backlighting
Available Options
TA
-40°C to 85°C
TSOT23-6
IQS228AS
Copyright © Azoteq (Pty) Ltd 2015
All rights reserved
IQS228AS Datasheet
Revision 1.05
Page 1 of 30
October 2015
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