QT240 参数 Datasheet PDF下载

型号：	QT240
PDF下载：	下载PDF文件查看货源
内容描述：	4键的QTouch传感器IC [4 KEY QTOUCH SENSOR IC]
分类和应用：	传感器
文件页数/大小：	12 页 / 258 K
品牌：	QUANTUM [ QUANTUM RESEARCH GROUP ]

Higher values of Rsns will make crosstalk problems worse;

try to keep Rsns to 22K or less if possible.

In general try to keep the QT240 close to the electrodes and

reduce the adjacency of the sense wiring to ground planes

and other signal traces; this will reduce the Cx load, reduce

interference effects, and increase signal gain.

The one and only valid reason to run ground near SNS

traces is to provide crosstalk isolation between traces, and

then only on an as-needed basis.

QT240R R1.10/0905

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