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您好 为什么我用opa552放大电压 一个是放大3倍 一个是让它放大12倍 上电之后过一会就很热 opa552 1脚接的-30V 2脚接的负输入端 3脚接的正输入端 4和5脚也是-30V 6脚接输出 7脚接+30V 8脚悬空
是否有使用散热器。芯片的供电电压是60V，如果静态电流10mA就有600mW了，加上负载，损耗就更大了。建议增加散热器以保证工作稳定。
