IQS227D - Single Channel Capacitive Proximity and Touch Controller

Datasheet Summary

Description

of User Options 12 5.1 Proximity / Touch Sensor

12 5.3 Output Pin Function

Features

> Sub 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: 2.4 V to 5 V > Minimum external components > Data streaming option > Advanced on-chip digital signal processing > User selectable (OTP) :.
4 Power Modes.
IO sink/ source.
Time-out for stuck key.
Output mode (Direct/Latch/Toggle).
Proximity.

Azoteq

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Datasheet Details

Part number	IQS227D
Manufacturer	Azoteq
File Size	528.84 KB
Description	Single Channel Capacitive Proximity and Touch Controller
Datasheet	IQS227D Datasheet
Additional preview pages of the IQS227D datasheet.

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Full PDF Text Transcription

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IQ Switch® ProxFusion® Series IQS227D DATASHEET Single Channel Capacitive Proximity and Touch Controller The IQS227D ProxSense®IC is a fully integrated Self Capacitive sensor with dual outputs (Touch and Proximity outputs). Features > Sub 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: 2.

Published: Oct 23, 2025 |