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ADS131E08 Internal Reference R2-R3 error

cafain
Mastermind 6785 points

Other Parts Discussed in Thread: ADS131E08

Hi,

We will ask on Internal Reference circuit of ADS131E08.

ADS131E08 is datasheet (SBAS561B) page42 Figure44 of R2 and R3, how much is error(%) of 25kΩ resistance?

(The absolute error of 25kΩ resistance)

Best regards

  • 0
    TI__Mastermind 38745 points
    Hey cafain,

    It is difficult to measure the tolerances of resistors inside the IC with accuracy, but the tolerances manifest themselves through the Vref accuracy, which can be measured and is specified in the Electrical Characteristics Table on page 4 of the datasheet.

    Regards,
    Brian Pisani