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Datasheet

PDF

软件

说明

AT42QT2640

AT42QT2640 Complete

(文件大小: 1.74MB, 73 页数, 修订版 D, 更新时间: 11/2013)
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The Atmel® AT42QT2640 is a capacitive touch controller with configurable 64-QTouch buttons. The Atmel QMatrix® sensing algorithm (mutual capacitance) enables the user to achieve more buttons than there are pins because of this matrix layout. The device includes all signal processing functions necessary to provide stable sensing under a wide variety of changing conditions and frequencies. UL approval and VDE compliance for use in both class B and class C safety-critical products.

关键参数

参数

Pin Count:

44

Touch Sensor Type:

Buttons, Sliders, Wheels

# of Touch Channels:

64

Temp. Range (deg C):

-40 to 105

Operating Voltage (Vcc):

4.75 to 5.25

Interface Type:

SPI

Acquisition Method:

QMatrix

 

订购码 封装 操作范围 载体类型 样品 Atmel 商店可用性1 单价2 网上购买
AT42QT2640-AU TQFP 44A 44 Industrial (B) (-40°C to 105°C) Tray 请求
AT42QT2640-AUR TQFP 44A 44 Industrial (B) (-40°C to 105°C) Tape&Reel 请求



1Backlog orders can be placed for items currently not available.
2Suggested retail price per unit for budgetary use only.