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https://e2e.ti.com/support/data-converters-group/data-converters/f/data-converters-forum/580620/ads1255-ads1255
我们使用8MHz振荡器并添加时钟缓冲器来驱动2 ADS1255。但ADC输入始终存在噪声。 噪音是CLKIN频率的4倍,当CLKIN信号处于高位时,会发出噪音。 噪音为2MHz。