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Question about AD8495

Hi All,

I have a question about the AD8495. Please take a look at the attachment.

I think it is not out of spec, but I would like to know the cause of these variation.

Regards,

Kazu

QuestionaboutAD8495.pdf
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  • Hi Kazu,

    If I'm understanding correctly, it looks like you are using a precision source to simulate the thermocouple voltage at different temperatures.  

    Is your setup exactly how it is pictured with testing only one part at a time?  Or are you testing all 8 units simultaneously?  Are you able to replicate the 25degC data by just grounding the inputs of the AD8495?  Have you tried switching out the DC input source?  

    Do you have a photo of your setup that you could upload?

    Regards,

    Jordyn

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  • Hi Kazu,

    If I'm understanding correctly, it looks like you are using a precision source to simulate the thermocouple voltage at different temperatures.  

    Is your setup exactly how it is pictured with testing only one part at a time?  Or are you testing all 8 units simultaneously?  Are you able to replicate the 25degC data by just grounding the inputs of the AD8495?  Have you tried switching out the DC input source?  

    Do you have a photo of your setup that you could upload?

    Regards,

    Jordyn

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