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Hi Team,
My customer has some questions. Could you kindly answer the below quesitons?
① What's the meaning of disable/enable time in the datasheet?
After Enable get high, It takes 1us for OPA549 to output the signal?
② Is there any specific reqirements for rise/fall time?
They observed soft start operation when the enable pin gets slowly high.
Regards,
Shoo
Hi Shoo,
① What's the meaning of disable/enable time in the datasheet?
The S/E pin timing refers how fast the digital pin is capable to Enable or Disable the OPA549's output port.
② Is there any specific reqirements for rise/fall time?
This specification depends on the load, gains, operating temperature and the output voltage step transitions etc.. The datasheet is specified that the slew rate is at 9V/usec with 50Vpp at Gain =1 V/V.
If you have other questions, please let us know.
Best,
Raymond