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IQS228AS - Single Channel Capacitive Proximity/Touch Controller

Key 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 2.5A.

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Datasheet Details

Part number IQS228AS
Manufacturer Azoteq
File Size 1.47 MB
Description Single Channel Capacitive Proximity/Touch Controller
Datasheet download datasheet IQS228AS Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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 (DYCAL™) to allow for sensor drift during prolonged activation. 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 2.5A  Supply voltage: 1.8V to 3.