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SN65HVD09: Operating temperature when driver is idle

Part Number: SN65HVD09

Hi Everyone,

I have a doubt about with respect to a driver is working correctly when there is no RS485 signal in any channel and temperature is 53°C.

My design have all GND terminal including terminal 1, Is it correct for improved thermal conductivity?

Additional, Is there any problem when input and output differential have terminator resistors?

Thank you