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ADS1198真的能采集到ECG/EEG信号吗?

Other Parts Discussed in Thread: ADS1198, ADS1299, OPA350, INA128

想请教一下TI的工程师:ADS1198内部只有一级放大,且最大只有12倍,真的能采集到ECG/EEG信号吗?如果单芯片真能采集到如此微弱的信号,那么它到底是怎么实现的,需不需要添加别的电路呢?