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ADS1298:每个通道无论接不接电极都是满量程输出

Part Number: ADS1298
  • 前提:ADS1298已经初始化完成,读写寄存器和内部测试信号都是正常。 3.3V供电,选择内部参考电压。
  • 配置:每个通道配置为0X00即6倍增益,
  • 现在测试1298的每个通道,无论接不接电极,输出来的都是满量程8388608。 

请问老师产生这种现象的原因有哪些呢? 应该怎么解决这种问题发生?