Datasheet > AT42QT1111-AU_14

AT42QT1111-AU_14

更新时间： 2024-11-24 01:20:03

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
50页	695K
描述
11-key QTouch Touch Sensor IC

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中文翻译

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AT42QT1111-AU_14 数据手册

Atmel AT42QT1111-MU

AT42QT1111-AU

11-key QTouch^®Touch Sensor IC

DATASHEET

Features



Sensor Keys:

Up to 11 QTouch^®channels

Data Acquisition:



Measurement of keys triggered either by a signal applied to the SYNC pin or at

regular intervals timed by the AT42QT1111 internal clock

Keys measured sequentially for better performance, or in parallel groups for faster

operation

Raw data for key touches can be read as a report over the SPI interface



Discrete Outputs:



Configurable “Detect” outputs indicating individual key touch (7-key mode)

Device Setup:



Device configuration can be stored in EEPROM

Technology:



Patented spread-spectrum charge-transfer (direct mode)

Key Outline Sizes:



6 mm × 6 mm or larger (panel thickness dependent); widely different sizes and

shapes possible, including solid or ring shapes

Key Spacings:



7 mm center-to-center or more (panel thickness dependent)

Layers Required:



One

Electrode Materials:



Etched copper, silver, carbon, Indium Tin Oxide (ITO)

Electrode Substrates:



PCB, FPCB, plastic films, glass

Panel Materials:



Plastic, glass, composites, painted surfaces (low particle density metallic paints

possible)

Panel Thickness:



Up to 10 mm glass, 5 mm plastic (electrode size dependent)

Key Sensitivity:



Individually settable via simple commands over serial interface

Adjacent Key Suppression^®(AKS^®)



Patented AKS technology to enable accurate key detection

Interface:



Full-duplex SPI slave mode (750 kHz), CHANGE pin, discrete detection outputs

Moisture Tolerance



Increased moisture tolerance based on hardware design and firmware tuning

Power:



1.8 V – 5.5 V

Package:



32-pin 5 × 5 mm QFN RoHS compliant

32-pin 7 × 7 mm TQFP RoHS compliant



Signal Processing:



Self-calibration, auto drift compensation, noise filtering, AKS technology

Applications:



Consumer and industrial applications, such as TV, media player

9571C–AT42–05/2013

12 3 4 5 6 7...50

中文翻译

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与AT42QT1111-AU_14相关器件

型号	品牌	获取价格	描述	数据表
AT42QT1111MU	ATMEL	获取价格	QTouch? 11-key Sensor IC
AT42QT1111-MU	ATMEL	获取价格	QTouch 11-key Sensor IC
AT42QT1111-MU_14	ATMEL	获取价格	11-key QTouch Touch Sensor IC
AT42QT1244	MICROCHIP	获取价格	The Microchip's AT42QT1244 and 1245 are a capacitive touch controllers with configurable 2
AT42QT1244-AU	ATMEL	获取价格	Analog Circuit, 1 Func, PQFP32, 7 X 7 MM, 1 MM HEIGHT, 0.80 MM PITCH, ROHS COMPLIANT, PLAS
AT42QT1244-MU	ATMEL	获取价格	Analog Circuit, 1 Func, 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, MO-220VHHD-2
AT42QT1244-MUR	ATMEL	获取价格	Analog Circuit, 1 Func, 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, MO-220VHHD-2
AT42QT1245	MICROCHIP	获取价格	The Microchip's AT42QT1244 and 1245 are a capacitive touch controllers with configurable 2
AT42QT1245-AUR	ATMEL	获取价格	Analog Circuit, 1 Func, PQFP32, 7 X 7 MM, 1 MM HEIGHT, 0.80 MM PITCH, ROHS COMPLIANT, PLAS
AT42QT1245-MU	ATMEL	获取价格	Analog Circuit, 1 Func, 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, MO-220VHHD-2

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