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DAC7551-Q1 VFB-resister error

cafain
Mastermind 6425 points
Other Parts Discussed in Thread: DAC7551-Q1

Hi,

DAC7551-Q1 VFB-resister error

1) It is connected to the datasheet (SLAS767B) page11 Figure26 of VFB, how much is error(%) of 100kΩ resistance?

   (Absolute error of 100kΩ resistance)

2) What will the two resistance 100kΩ and 100kΩ relative error you have decided to gain is to how much percentage?

   (Relative error of 100kΩ resistance)

Best regards

  • 0
    TI__Genius 10615 points

    HI Cafain,

    cafain said:
    1) It is connected to the datasheet (SLAS767B) page11 Figure26 of VFB, how much is error(%) of 100kΩ resistance?

    The resistors can vary up to 20% of their absolute value. However they are very closely matched. So the total error is included in the errors in the electrical characteristics table as gain error.

    cafain said:
    2) What will the two resistance 100kΩ and 100kΩ relative error you have decided to gain is to how much percentage?

    The relative error is included in the gain error specification of the DAC.

    I hope this answered your questions. If you need me to clarify anything please let me know.