• State Resolved
  • Locked Locked
  • Replies 3 replies
  • Subscribers 46 subscribers
  • Views 296 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

DAC6573 Power-on Reset trigger

Richard Brown1
Prodigy 20 points
Other Parts Discussed in Thread: DAC6573

The datasheet states "The DAC6573 incorporates a power-on-reset circuit...".  

At what level of Vdd is this power-on reset circuit triggered?

  • 0
    TI__Mastermind 46290 points

    Richard,

    I'll have to look into this for you and get back to you.

  • 0 in reply to Kevin Duke
    TI__Mastermind 46290 points

    Richard,

    I've looked into a lot of design resources to try to get you an answer to this verified "by design" but the database is old enough that we cannot generate simulation results concerning this POR. Instead I'm going to need to test this on a test board. I'm currently out of office traveling but should return this Friday and will be able to get something setup.

    Sorry for the delays but I generally prefer to answer these kinds of questions based on design simulation results whenever possible and it took some time to exhaust that approach.

  • 0 in reply to Kevin Duke
    TI__Mastermind 46290 points

    Richard,

    The reset is triggered at ~2.2V. This was tested over one unit at room temperature. I would expect to see the threshold vary a little bit from unit to unit so to give margin I would expect the POR to trigger from 2.1-2.3V.