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触摸芯片是什么工作原理?

2015年09月09日      点击:103

  触摸芯片是什么工作原理?

   其实触摸芯片的工作原理很简单,触摸芯片一般是一个AD芯片,把采集的模拟量转变成数字量。拿触摸芯片在触摸屏上的工作原理来解释,以某公司生产的某款触摸控制芯片为例,介绍触摸芯片在触摸屏的应用的典型电路和操作。由于这款触摸芯片内置12位A/D,理论上触摸屏的输入坐标识别精度为有效长宽的1/4096。


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