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OPA197掉电后输入信号仍存在,是否会损坏器件?

Other Parts Discussed in Thread: OPA197, LM2733

你好!

我们用到运放OPA197,输入电压Vin范围14.4V~19V,电源Vs+ = 24V(由BOOST芯片LM2733产生),Vs- = 0V。实际工况中可能出现以下两种情况, 请问是否会损坏运放OPA197

(1)     Vin信号先于Vs+上电

(2)     LM2733使能脚被MCU关闭,即运放电源Vs+掉电后,输入信号Vin还在

谢谢!