Datasheet > AT42QT1481-AN

AT42QT1481-AN

更新时间： 2024-02-19 08:31:55

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
73页	762K
描述
Analog Circuit, 1 Func, PQFP44

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技术参数
数据手册

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AT42QT1481-AN 技术参数

生命周期：	Active	包装说明：	TQFP-44
Reach Compliance Code：	compliant	Factory Lead Time：	10 weeks
风险等级：	5.54	模拟集成电路 - 其他类型：	ANALOG CIRCUIT
JESD-30 代码：	S-PQFP-G44	长度：	10 mm
功能数量：	1	端子数量：	44
最高工作温度：	105 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	TQFP
封装形状：	SQUARE	封装形式：	FLATPACK, THIN PROFILE
座面最大高度：	1.2 mm	最大供电电压 (Vsup)：	5.25 V
最小供电电压 (Vsup)：	4.75 V	标称供电电压 (Vsup)：	5 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	0.8 mm
端子位置：	QUAD	宽度：	10 mm
Base Number Matches：	1

AT42QT1481-AN 数据手册

Atmel AT42QT1481

48-Key QMatrix FMEA IEC/EN60730 Touch Sensor IC

DATASHEET

Features

 Number of keys:

 Up to 48

 Technology:

 Patented charge-transfer (transverse mode), with frequency hopping

 Key outline sizes:

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

shapes possible

 Key spacings:

 8 mm or wider, center to center (panel thickness dependent)

 Electrode design:

 Two-part electrode shapes (drive-receive); wide variety of possible layouts

 Layers required:

 One layer (with jumpers), two layers (no jumpers)

 Electrode materials:

 PCB, FPCB, silver or carbon on film, ITO on film

 Panel materials:

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

paints possible)

 Adjacent Metal:

 Compatible with grounded metal immediately next to keys

 Panel thickness:

 Up to 50 mm glass, 20 mm plastic (key size dependent)

 Key sensitivity:

 Individually settable via simple commands over serial interface

 Signal processing:

 Self-calibration, auto drift compensation, noise filtering, Adjacent Key

Suppression^®

 Interfaces:

 UART

 SPI slave (4 MHz maximum clock rate)

 STATUS indication pin

 Debug output

 FMEA compliant design features

 IEC/EN/UL60730 compliant design features

 UL approval

 VDE compliance

 For use in both class B and class C safety-critical products

9621EX–AT42–07/2014

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