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  • DAC161S997: DAC161S997 SPI rise/fall time

    Part Number: DAC161S997 Dear TI support team, we plan to use the DAC161S997. We need isolation for SPI. Due to the significantly lower cost and the fact that we do not need a fast update rate, we would like to use optocouplers instead of logic isolator…

  • DAC161S997: Datasheet circuit parameter of DAC161S997 in case of HART usecase

    TI Thinks Resolved
    Part Number: DAC161S997 Other Parts Discussed in Thread: DAC8740H Hi, I have two questions about DAC161S997 when user use HART with 4-20mA. I summarized what I checked and questions in attached ppt. Could you please confirm attached file and give your…

  • DAC161S997: DAC161S997 — Loop current sometimes stuck at ~3.3 mA after power-up

    Part Number: DAC161S997 Hello TI Team, I am using the DAC161S997 in a loop-powered 4–20 mA transmitter design and I am observing inconsistent loop current during power-up. I would appreciate your guidance on possible causes or debug steps. Observed…

  • DAC161S997: Multi Channel 2wire current Loop

    Part Number: DAC161S997 Dear TI Support Team, we are currently develloping a new sensor-product featuring 3 analog outputs and would kindly ask for your assistance (with component selection) Requirements for analog outputs: - 2-Wire current loops (Shared…

  • DAC161S997: Self power configuration in DAC161S997

    TI Thinks Resolved
    Part Number: DAC161S997 Tool/software: Hello there, I am curious about self power configuration in DAC161S997 IC, in the below self power configuration if S2 is ON and S1 is OFF does it harm DAC IC? I believe if S1 is ON and S2 is OFF there will not…

  • DAC161S997: Output current unstable issue

    TI Thinks Resolved
    Part Number: DAC161S997 Hi, My customer is facing 4-20mA output current unstable issue under certain temperature situation. I would like to explain about detail including schematic around DAC161S997, however they do not want to disclose these information…

  • DAC161S997: Could not see DAC161S997 for 4-20mA output current between Loop+/Loop- .

    Part Number: DAC161S997 Tool/software: I designed DAC161S997 for 4-20mA Output circuit refering your EVN and datasheet. But we could not see any output current between Loop+/Loop- .Please check the circuit diagrm in below and give your advice. If you…

  • DAC161S997: Function of "C2" pin

    TI Thinks Resolved
    Part Number: DAC161S997 Other Parts Discussed in Thread: TIDA-00648 Hi, Let me confirm about below. * According to datasheet, this device has "HART injection" function via "C2" pin. However, I'm not sure this function work as "HART input" or "HART output…
    • Answered

  • DAC161S997: DAC161S997 with STM32L496RGT6TR – Need Example Code for 4-20 mA Loop

    Resolved
    Part Number: DAC161S997 Other Parts Discussed in Thread: TIDA-00095 Tool/software: Hi team, I’ve recently started working on the DAC161S997 with the STM32L496RGT6TR for a 4–20 mA current loop application. Could you please share any example code, reference…
    • Resolved

  • DAC161S997: Current Ripple Issue

    Part Number: DAC161S997 Tool/software: Hi team, Could you please help to check the register map and schematic design, it is observed 1mA ripple happens when the same digital signal input as the video shows. Fullscreen dev_dac.c Download…

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