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  • INA149: derivations for equations

    TI Thinks Resolved
    Part Number: INA149 Other Parts Discussed in Thread: INA148 Tool/software: Hello, Can you provide the details for deriving the equations in the INA149 d/s specifically equations 1 and 2: Thanks, Adam
    • Answered

  • INA149: INA149 gain error

    Resolved
    Part Number: INA149 Hi team， 1, according to the screenshot, if Vs=±15V, the output is ±4V RL＝1K seems have smaller gain error than RL＝2K. Can we say：the smaller the RL, the smaller the gain error? 2. Could you share typ or max gain error…
    • Resolved
    • Answered

  • INA149: Recommended products for common-mode voltages greater than or equal to 400 V.

    Resolved
    Part Number: INA149 Other Parts Discussed in Thread: INA148 Tool/software: Hi TIer It is desired to find a rail where the AMP monitors the 400-V common-mode voltage. I see that our products have a maximum tolerance of the common mode voltage of the INA149…
    • Resolved
    • Answered

  • INA149: Finding Part No

    Resolved
    Part Number: INA149 Other Parts Discussed in Thread: THS4061 Tool/software: In one of my board i have a OPAMP. I am unable to identify exact part no. On IC TI49 ABT is mentioned..
    • Resolved
    • Answered

  • INA149: About IMDS Data

    Resolved
    Part Number: INA149 Hi team, Do you have IMDS data for INA149AIDR? I would like you to share it. Sincerely, Ryu.
    • Resolved

  • INA149-EP: INA149AMDREP

    TI Thinks Resolved
    Part Number: INA149-EP Hello, I found a PCN 20140409000, for Wire material and diam change on INA149AID and INA149AIDR. I would like to know if this PCN is applicable on INA149AMDREP ? (even if not precised into this PCN) Best Regards, Areski ALI-BA…
    • Answered

  • INA149: differential to single ended and offset

    Resolved
    Part Number: INA149 Other Parts Discussed in Thread: AMC1350 , , INA146 , AMC3330 , TLV6001 , OPA391 , OPA396 Dear experts, I am working on an analog circuit to measure AC 220V 400Hz. I am using AMC1350 to convert +/-5V to +/-2V differential voltage signal…
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    • Answered

  • INA149: INA149 for high side voltage measurement

    Resolved
    Part Number: INA149 Other Parts Discussed in Thread: OPA186 , , INA143 , OPA333 Hello, I need to measure a battery voltage (between 0 and 5 V) as shown in the inputs to the INA149 on the top of the attached image. This battery negative or positive can…
    • Resolved

  • INA149: PSPICE Models Not Working in LTSpice, but INA148 does work

    TI Thinks Resolved
    Part Number: INA149 Other Parts Discussed in Thread: INA148 , , INA117 , TINA-TI My LTSpice sim of the models provided by TI for the INA149 do not work. I use the models for your INA148 and they work just fine, but not the INA149s. The circuit runs 0-20uA…

  • INA149: reader in a 4–20 mA loop

    TI Thinks Resolved
    Part Number: INA149 Other Parts Discussed in Thread: INA849 We are using the INA149 as the reader in a 4–20 mA loop. The INA is powered with a +15V and -15V supply. REFa and Refb are connected to ground, and the measurement resistor for the 4–20 mA loop…

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