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  • ADS122C04: Input impedance >10 Megaohm

    TI Thinks Resolved
    Part Number: ADS122C04 Hi Experts, Good day! We have a concern from the customer regarding the high impedance. Could you help us to quantify the input impedance of this ADC? I know this depends on different variables like the temperature, the PGA, etc…
    • Answered

  • ADS122C04: RTD Calculator Broken

    Resolved
    Part Number: ADS122C04 Hello TI, Not a big deal, but thought you might be interested to know that the Excel spreadsheet "RTD Calculator" located at ADC-RTD-CONFIG-CALC Calculation tool | TI.com is broken for the ADS122C04. Throws some errors…
    • Resolved

  • ADS122C04: VARIATION OF RTD'S RESISTANCE DEPENDING ON IDAC

    TI Thinks Resolved
    Part Number: ADS122C04 To whom may it concern, I have a problem with measuring RTD by using the 4-wire method. The value of RTD's resistance changed depending on the measuring current.(Due to P= I^2 * R) Currently, I use normal mode operation, 20SPS…

  • ADS122C04: [ELENTEC] Product Recommendation Inquiry

    TI Thinks Resolved
    Part Number: ADS122C04 Other Parts Discussed in Thread: ADS124S08 Hi, TI support team A product recommendation inquiry has been received from a customer. Currently reviewing the ADS122C04. Please recommend a product with more ADC channels. Thanks. Regards…

  • ADS122C04: Source impedance effect on accuracy

    TI Thinks Resolved
    Part Number: ADS122C04 The offset for the PGA, typical and max are very different, under what conditions does the max offset occur. Also when bypassing the PGA I assume the S/H cap is driven directly by the inputs. What is the size of the S/H caps and…

  • ADS122C04: High Input impedance value

    TI Thinks Resolved
    Part Number: ADS122C04 Hi Team, Our customer would like to know the actual input impedance value mentioned on the datasheet of ADS122C04. Can you help? Thanks a lot. Regards, Marvin

  • ADS122C04: thermocouple sense

    TI Thinks Resolved
    Part Number: ADS122C04 Other Parts Discussed in Thread: TMP75 , LM94022 Hi Expert, Since customer need to connect the converter to thermocouples to sense temperature, we have to confirm if ADS122C04 can replace to MCP3422. some of questions need you help…
    • Answered

  • ADS122C04: Reading in 16 bit mode

    Resolved
    Part Number: ADS122C04 Other Parts Discussed in Thread: ADS112C04 , We use the ADS112C04 in one of our current products but they are currently unavailable to purchase. We see that the ADS122C04IPW is available and are reviewing for compatibility. It looks…
    • Resolved
    • Answered

  • ADS122C04: Internal Vref - Long term drift

    Resolved
    Part Number: ADS122C04 Dear TI-Support-Team, my question is about the 110ppm long term drift of the internal voltage reference. Is that drift zeroed when device is turned off? Is that drift zeroed when internal Vref is deselecetd? I would really appreciate…
    • Resolved

  • ADS122C04: noisy measure?

    TI Thinks Resolved
    Part Number: ADS122C04 Hi, I'm using a ADS122C04EVM kit for testing the ADS122C04 for RTD measurement. I had start with Delta-Sigma ADC EvaluaTIon SOftware. All is working properly but when i replace the RTD by a 100Ohms précision résistor i don't obtain…

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