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[M471] ADC in Power Noise Environment

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奔跑的牛|  楼主 | 2022-1-13 14:08 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
AD, dc, se, vi
  • Application: This sample code uses M471 ADC averaging mode to get stable ADC conversion data in a power noise environment.
  • BSP Version: M471 Series BSP CMSIS V3.00.000
  • Hardware: NuMaker-M471KI V1.1
The ADC applications need stable power source for analog circuit, but the power source is from mains supply in home appliance. You may get a noise in voltage source from mains supply like 60 Hz ripple waveform. The noise will make the ADC conversion result unstable. This sample code uses M471 averaging mode to average the ADC data. The noise error also will be averaged by M471 averaging mode so the ADC can get a stable data with less noise error.

You can download the sample code at https://www.nuvoton.com/resource-downlo ... 0927160701

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