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ADS1256: 对24bit ADC采集的数据进行在模拟工程计算器上进行FFT转换,为何ENOB和SNR的值这么矛盾呢,难道SNR不应该是大于130dB吗?

Part Number: ADS1256
Other Parts Discussed in Thread: ADCPRO

 对24bit ADC采集的数据进行在模拟工程计算器上进行FFT转换,为何ENOB和SNR的值这么矛盾呢,难道SNR不应该是大于130dB吗?