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Hello

Could you  teach me about the junction temperature of AD820 because AD820 datasheet does not describe the junction ?

I think that the junction temperature is 150 degree celcius  as other parts and is it correct ?

Datasheet describes the internal power dissipation at absolute maximum rate.

These are  below and I think that these are defined at 0 degree celcius.

But, maximum junction temperature is 160 degree celicus at SOIC.   ( 1.0W  *160 degree celcius/W) .

Internal Power Dissipation at datasheet