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ADS1299 有片上滤波吗?

Other Parts Discussed in Thread: ADS1299

请问:

ADS1299 片上有带通滤波器吗?

我看手册好像并没有发现,只有推荐在输入前端用无源阻容构成低通滤波器,而且该低通滤波器我在ADS1299EEG-FE套件上看电路图截止频率是600多。

如果没有带通的话,低采样率下夹杂了高频噪声采样之后不是会发生频谱混叠吗?这样即使进行数字滤波也无效吧?

另外我看到ADS1299有个插值滤波器,有什么用呢?