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带负载了吗?温度很高,相比较环境温度升高了多少?最好量一下。
OPA2604的静态电流比较高,10mA左右,算上48V供电,那静态功耗有0.48W。soic标贴封装的温升会在50℃左右。
谢谢你的回复。我用的2.5K电阻当负载实验的,手放上时间长了受不了,感觉要有70多度,这个时间长了不会烧坏吧。soic封装最高工作温度多少会烧坏?