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高压精密运放OPA462静态电流及功耗问题

Other Parts Discussed in Thread: OPA462

请问运放OPA462工作在165V/-5V双电源供电,输出电压范围0-160V,负载电流很小<0.05mA,片子本身的功耗该怎么算,主要想问这种工况散热会不会有风险。手册静态电流约3.7mA,如果P=UI=165V*3.7mA=0.61W,担心功耗太大,请专家解答,谢谢。