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IQS316

Description
Multi-channel Capacitive Sensing Controller with Advanced Signal Processing Functions
File Size986KB,26 Pages
ManufacturerETC2
Download Datasheet View All

IQS316 Overview

Multi-channel Capacitive Sensing Controller with Advanced Signal Processing Functions

IQS316 Datasheet
®
IQ Switch - ProxSense Series
Multi-channel Capacitive Sensing Controller with Advanced Signal Processing Functions
The IQS316 is a 20 channel surface capacitive touch and proximity controller with advanced on-
chip signal processing features, including Antenna Tuning Implementation (ATI).
Proximity
detection can be distributed over all keys, or only selected keys, providing high flexibility for stable
operation in varying designs. The controller is based on patented capacitive sensing technology
that yields stability with high sensitivity and excellent noise immunity. This controller can operate
with a small number of external components to provide a low cost solution for medium to high
channel count applications.
®
Main Features
16 Touch Keys with distributed Proximity Sensing
Internal Capacitor Implementation (ICI). No external reference capacitors required
Class leading proximity sensitivity with dedicated Prox Mode charging scheme
User selectable gain through Antenna Tuning Implementation (ATI)
All channels individually configurable for maximum design flexibility
Advanced on-chip signal processing
User selectable I
2
C and SPI communication
High sensitivity
Internal voltage regulator
Supply voltage 2.85V-5.5V
Low power modes (45uA)
Active shield options
RF detection
Available in QFN(5x5)-32 package
8 General Purpose I/O‟s
Representation
only, not actual
marking
Applications
Office machines
Digital cameras
Keypads
High-end kitchen appliances
Personal Media Players
Consumer Electronics
White goods and appliances
Kiosk and POS Terminals
Launch a menu on user approaching
Available options
T
A
-40°C to 85°C
QFN32
IQS316
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Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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