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  • LMP91200: LMP91200: Ph sensor integration

    TI Thinks Resolved
    Part Number: LMP91200 Other Parts Discussed in Thread: LMP91000 Hello, this is pavan We are trying to integrate pH1000 Sensorex ph sensor to LMP91200 AFE of texas. Kindly provide details on how to connect the sensor to chipset directly or do we need to…

  • LMP91200: mV output pH & Ion-selective electrodes

    TI Thinks Resolved
    Part Number: LMP91200 Other Parts Discussed in Thread: LMP91000 , TIDA-00561 , LMP91000EVM https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1135597/lmp91200-reference-to-build-ion-selective-electrode-measuring-circuits?tisearch=e2e-sitesearch&keymatch…
    • Answered

  • LMP91200: reference to build Ion-selective electrode measuring circuits

    Resolved
    Part Number: LMP91200 Dear Fellow members, I would like to build a circuit to measure Ammonia in water using Ammonia ion-selective electrode. Can you help me with a reference model/design for such a circuit? Can LMP91200 be proposed for the same? …
    • Resolved

  • LMP91200: LMP91200

    TI Thinks Resolved
    Part Number: LMP91200 Hi Sir/Mam, Can you share the scale of voltage for PH Level...?1 to 14 in LMP91200
    • Answered

  • RE: LMP91200: LMP91200

    Resolved
    Hi Gordon Varney - Sir, I think you already know that The PH value depends upon the temperature of the solution so We have referred to the datasheets (LMP91200 old version) We came to know that the LMP91200 has the features to connect the temperature…

  • LMP91200: lmp91200

    TI Thinks Resolved
    Part Number: LMP91200 Dear Sirs, I want to use Your lmp91200 part to read isfet based ph sensor output voltage. I found out from Your datasheet and reference design it is foreseen for two electrode glass pH meters with guard. Isfet based ph meter is…
    • Answered

  • LMP91200: LM91200 CAL and RTD

    Resolved
    Part Number: LMP91200 Hi Team, My customer says that the old LMP91200 datasheet shows the pin 2, 3 is the CAL and RTD. The pin description defines these 2 pin to measure the Temp. and do the calibration. But in the datasheet on ti.com, and we found it…
    • Resolved
    • Answered

  • LMP91200: Not getting proper values on ADC

    Resolved
    Part Number: LMP91200 Hi sir, I have query regarding interfacing of lmp91200 ic not getting proper values on adc. I was tried to read analog signal using arduino nano board I have configured adc read in loop() at every 500 ms when i have change ph buffer…
    • Resolved
    • Answered

  • LMP91200: LMP91200 "device on" characteristics

    Resolved
    Part Number: LMP91200 Hi, There are two sets of charts for bias current in the datasheet: for Device ON and Device OFF. What does it mean Device ON/OFF ? Regards Krzysztof
    • Resolved
    • Answered

  • LMP91200: Default Vcm settings

    Resolved
    Part Number: LMP91200 Hello! Is the default setting of the LMP91200 to always have Vcm be 1/2 of Vref? The datasheet is not very clear on this, especially since there is a legacy option to select Vcm in 1/8 steps. I would appreciate if you could confirm…
    • Resolved

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