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  • SPIO-4: Can't read ph or temperature from LMP91200EVAL Board

    TI Thinks Resolved
    Part Number: SPIO-4 I am currently using the LMP91200 v1.0.6.1 software on Windows 10, and have the LMP91200EVAL board connected to the SPIO-4 board which is connected to my computer via USB. I am using a ph sensor from Accumet (Cat. #13-620-631), which…

  • Temperature compensation for LMP91200 and LMP91200EVAL

    Other Parts Discussed in Thread: LMP91200EVAL It is said that the LMP91200EVAL allows the connection of external RTD in order to compensate temperature variations. But actually in the datasheet of LMP9120 the inputs for RTD signal appears as NC connections…
    • Answered

  • about adc141s628 on lmp91200eval

    Resolved
    Other Parts Discussed in Thread: LMP91200EVAL , LMP91200 , ADC141S626 hi sir, i use lmp91200eval to measure water ph with a ph probe. i encouter a issue when reading adc141s628. that is i can't read negative value from adc141s628. the lowest value of adc141s628…
    • Resolved

  • LMP91200EVAL/NOPB operating temperature

    Other Parts Discussed in Thread: LMP91200EVAL What is the maximum operating temperature range of the LMP91200EVAL/NOPB eval kit? I need to simulate some issues we are seeing on our design at 0deg C and plan to put this eval kit in a chamber at 0 deg Celsius…
    • Answered

  • LMP91200: Faulty VOCM and VOUT signal, seems random

    Resolved
    Part Number: LMP91200 Other Parts Discussed in Thread: REF3120 , , REF3220 Hello, I have a weird problem where both the VOCM and VOUT signal seems completely random, single-ended and differential. The differential can range from -0,55 - 0,2 when I'm measuring…
    • Resolved
    • Answered

  • Parameters of ADC141S628

    Resolved
    Other Parts Discussed in Thread: LMP91200EVAL , ADC141S626 Hi, in LMP91200EVAL is used ADC141S628, but i didn't find it on TI pages. What are parameters of ADC141S628? Is there any datasheet for ADC141S628?
    • Resolved

  • ADC141S628 ( problem with data out)

    Other Parts Discussed in Thread: LMP91200EVAL I have ADC141S628 device on LMP91200EVAL board. I have supplied 2 Mhz clock signal and chip select as well according to spec. But i could not see any data out. i checked the voltage levels . everything looks…

  • Potentiostat

    Other Parts Discussed in Thread: LMP91200 , LMP91200EVAL , LMP91000 , LMP91000EVM I want to develop a 2 electrode potentiostat for some chemical sensing(change in potential on electrode surface). which analog IC and/evaluation board should i start with?? after…

  • LMP91200 issues

    Other Parts Discussed in Thread: LMP91200 , LMP91200EVAL , LMP7721 Hi. In a previous post I asked a few questions, which was answered, and have taken on the suggestion that I use the vout versus the vocm voltage. I'm having problems with the vout voltage…

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