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Datasheet

PDF

软件

说明

AT42QT1244

AT42QT1244 Preliminary

(文件大小: 1.05MB, 61 页数, 修订版 E, 更新时间: 12/2013)
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The Atmel® AT42QT1244 is a capacitive touch controller with configurable 24-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:

32

Touch Sensor Type:

Buttons

# of Touch Channels:

24

Temp. Range (deg C):

-40 to 85

Operating Voltage (Vcc):

3.0 to 5.0

Interface Type:

I2C

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
AT42QT1244-AU TQFP 32A 32 Industrial (A) (-40°C to 85°C) 请求
AT42QT1244-AUR TQFP 32A 32 Industrial (A) (-40°C to 85°C) 请求
AT42QT1244-MU MLF (VQFN) 32M1-A 32 Industrial (A) (-40°C to 85°C) 请求
AT42QT1244-MUR MLF (VQFN) 32M1-A 32 Industrial (A) (-40°C to 85°C) 请求



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