实现了ADC的转换，模/数转换器或者模拟/数字转换器。模数转换一般要经过采样、保持和量化、编码这几个步骤。将连续变量的模拟信号转换为离散的数字信号的器件。-ADC conversion, analog/digital converter or an analog/digital converter. Analog-to-digital conversion is generally sampled, maintain and quantify the coding of these steps.