Azoteq IQS228AS
IQS228AS is a single channel self-capacitive sensor with Dynamic Calibration (DYCAL™) to allow for sensor drift during prolonged activation. The IQS228AS device has a dedicated pin(s) for the connection of a sense electrode(s) (Cx) and output pin(s) for proximity and touch events on OUT. ERRATA 29 Copyright © Azoteq (Pty) Ltd 2016 All rights reserved IQS228AS Datasheet Revision 1.08 Page 2 of 30 September 2017 IQ Switch® ProxSense® Series List of Abbreviations ATI Automatic Tuning Implementation BP Boost Power Mode CS Counts (Number of Charge Transfers) Cs DYCALTM Internal...| Part No. | IQS228AS |
|---|---|
| Datasheet | IQS228AS Download |
| Manufacturer |  Azoteq |
| Description | Single Channel Capacitive Proximity/Touch Controller |
| Buy | Stock & Price |
FEATURES
● 1 Self capacitive channel● DYCAL™: Intelligent Hysteresis
● Proximity and Touch outputs
● Automatic Tuning
● Internal Reference Capacitor RoHS2
● Minimum external components
● 1-Wire data streaming
● I2C Debug option
● User selectable options (OTP):
● Ext sync control or Ext filter control
● I/O Sink or Source selection
● Time-out for stuck key
● Proximity and Touch sensitivity selections
● Low Power modes
● Low power mode 2.5A
● Supply voltage: 1.8V to 3.6V Compliant 6 pin TSOT23-6 Representations only, not actual markings
APPLICATIONS
● Proximity sensors● SAR detection for Tablets
● On-ear detection for mobile phones
● 3D glasses
● Personal Media Players
● White goods and appliances
● Human Interface Devices
● Proximity activated backlighting Available Options TA -20°C to 85°C TSOT23-6 IQS228AS Copyright © Azoteq (Pty) Ltd 2016 All rights reserved IQS228AS Datasheet Revision 1.08 Page 1 of 30 September 2017 IQ Switch® ProxSense® Series Contents 1 OVERVIEW ..............
