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INA103功耗问题

Other Parts Discussed in Thread: INA103

采用INA103芯片放大信号,正负12V供电,输出接示波器,示波器阻抗1M,放大倍数40倍。用锂电池供电,想估计一下电池可以用多久。所以想问问这个电路的最大功耗怎么估计一下?

在手册里看到了静态供电电流时9mA,那正常工作的时候电流怎么估计一下?就指教