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ADS6422: ADS6422

Part Number: ADS6422

请问ADS6422这个差分输入的采样保持电路中的Ron有什么用呢?采样频率对采样保持得到的电压及其精度有什么影响呢?

  • 您好,

     Ron是采样开关(Sampling Switch)的导通电阻,数据表中关于 Ron对采集电压和精度的具体影响没有说明,但是在电气特性表格的DC ACCURACY 和 DYNAMIC AC CHARACTERISTICS部分有对ADC 精度参数的描述,电气特性表格中的精度参数已经涵盖了Ron对采集电压及其精度的影响。