ADS1293的数据手册里面写着CMRR能达到100dB,而我的板子只能达到85dB,板子原理图参考ADS1293EVM,PCB为4层板,还有个疑惑就是ADS1293EVM的CMRR到底能达到多少dB?
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ADS1293的数据手册里面写着CMRR能达到100dB,而我的板子只能达到85dB,板子原理图参考ADS1293EVM,PCB为4层板,还有个疑惑就是ADS1293EVM的CMRR到底能达到多少dB?