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我想问一下ADS1298芯片内部有无时钟源呢？如果有那频率是不是：2.048MHz呢？
如果不外接时钟源，这个芯片能否正常工作呢？
1298内部有采样时钟。只有读数需要提供一个时钟
恩恩，那意思是说设计中，我们可以不为其外接一个时钟源电路了是吗？
看看这两个连接吧
http://www.ti.com/tool/ads1298ecgfe-pdk
http://www.deyisupport.com/question_answer/analog/data_converters/f/58/t/7128.aspx
