IQS211A - Single Channel Capacitive Proximity/Touch Controller

Azoteq

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Datasheet Details

Part number	IQS211A
Manufacturer	Azoteq
File Size	1.95 MB
Description	Single Channel Capacitive Proximity/Touch Controller
Datasheet	IQS211A-Azoteq.pdf

IQS211A Product details

Description

Pin Name 1 PRIMARY I/O 2 VSS 3 SECONDARY I/O 4 VREG 5 VDDHI 6 Cx IQS211A/B in TSOT23-6 Type Digital Input/Output Function Multifunction IO1 (open-drain output1) SCL (I2C Clock signal) / 1WIRE (data streaming) Signal GND Digital Input/Output Multifunction IO2 (open-drain output1) SDA (I2C Data output) EVENT Regulator output Supply Input Requires external capacitor Supply:1.8V 3.6V Sense electrode Connect to conductive area intended for sensor VDDHI R2 40R C3 C4 1uF 100pF U1

Features

Pin compatible with IQS127D/ 128/ 227AS/ 228AS/ 231A (output types may differ) RoHS2 Compliant.
Automatic Tuning Implementation (ATI).
On-chip movement detection algorithm.
Forced activation when movement detected 8 pin WLCSP-8 6 pin TSOT23-6.
Minimal external components Representations only, not actual markings.
Down to 10aF capacitance resolution.
Up to 60pF sensor load (with effective o Runtime switch to standalone mode movement detection).

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Published: Jul 10, 2019 |