DAC5578: Power on reset condition

Shuhei Goto

Expert 7020 points

Part Number: DAC5578

Tool/software:

Hi team,

What is the condition to occur POR?
Ex: VDD must be less than XX V for at least YY ms

Best regards,
Goto

over 1 year ago

0 Lucas Burnette over 1 year ago

TI__Expert 5670 points

Hi Goto-san,

Typically, the power on reset timing will be very quick (ie < 1 ms) when VDD drops under the low threshold (2.7 V).

Let me check if our team has any specific information or test data.

Thanks,
Lucas

0 Shuhei Goto over 1 year ago in reply to Lucas Burnette

TI__Expert 7020 points

Hi Lucas-san,

Thank you for reply.

I look forward to hearing from you.

Best regars,
Goto

0 Shuhei Goto over 1 year ago in reply to Shuhei Goto

TI__Expert 7020 points

Hi Lucas-san,

Do you have any update?

Best regards,
Goto

0 Lucas Burnette over 1 year ago in reply to Shuhei Goto

TI__Expert 5670 points

Hi Goto-san,

I'm sorry for the delay, I am still waiting for clarification from the test team.

Let me check back in with them.

Thanks,
Lucas

0 Shuhei Goto over 1 year ago in reply to Lucas Burnette

TI__Expert 7020 points

Hi Lucas-san,

Thank you.

When is the estimated answer date?

Best regards,
Goto

+1 Lucas Burnette over 1 year ago in reply to Shuhei Goto

TI__Expert 5670 points

Hi Goto-san,

We weren't able to find any specific information about the DAC5578's POR characteristics.

I would recommend the customer use a minimum pulse width of 100 ns for VDD below the low threshold.

Thanks,
Lucas

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DAC5578: Power on reset condition