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DAC7750: DAC7750发热很严重

Part Number: DAC7750

DAC7750IPWPR在20mA输出的时候发热非常严重,室温不到30度的情况下会达到60摄氏度,这样必须加外部散热了。

是不是软件哪里设置有问题还是硬件设计导致的。带上负载后用热成像观察,也只有芯片这个点严重发热。