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ADS1247

Julian Cox
Prodigy 240 points

Other Parts Discussed in Thread: ADS1247, TINA-TI

I am using a ADS1247 with a RTD to measure temperatures from zero up to 300oC. The reference design described in document TIPD52 is ideal, except that it only goes up to 100oC. I thought I would simulate and optimise the various component values as the author shows a simulation using TINA-TI, but the spice circuit does not appear to be published. I drew the schematic, corrected the errors, but, as a TINA-TI newbie, I don't know how to simulate one variable against another and get a plot. In Altium Designer I am used to using "Parameter Sweep" or "Monte Carlo" analysis, but the Tina-TI "Getting Started" guide is of no use in this regard. 

  • 0
    TI__Genius 9775 points

    Julian,

    I am a bit not clear what the y-axis you want to plot against what x-axis.

    Is this output dc voltage vs. temperature perhaps?


    1. For dc related, you can try Analysis -> DC Analysis ->

        a. DC Transfer characteristic  or

        b. Temperature Analysis (make sure you have tempco somewhere for the components otherwise, vs. temp will be flat)

    2. For other than dc stuffs, I am not 100% sure but at least you can try

        a. Analysis -> Mode -> Parameter Sweeping

        b. Then after step #a, choose analysis -> select control object -> click on for instance (Cap/C) for RC filter

            to get variance on the bode plot for instance.

    Herman