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Showing 80 results View by: Thread Post Sort by
  • INA290-Q1: Input Bias current into IN+ and IN-

    Henrik Leegaard
    Henrik Leegaard
    Part Number: INA290-Q1 Tool/software: I am planning to use INA290-Q1 /A1 Device) as current sensor In some cases there will be 40V at IN+ and IN-, but no voltage at Vs, the voltage difference between IN+ and IN- (Vsense across sense resistor) will be…
    • 6 months ago
    • Amplifiers
    • Amplifiers forum
  • INA290: loading question

    Adam Daluga
    Adam Daluga
    Answer Suggested
    Part Number: INA290 Tool/software: Hello, We’d like to use this device to monitor the input current to a PCBA on a 48V line. The INA290 will be powered off a 3.3V supply that comes up a few hundred milliseconds after the input supply voltage is…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • INA290: Input timing

    ? ??
    ? ??
    Resolved
    Part Number: INA290 Tool/software: Dear Support, I am planning to use INA290, Can I input voltage to the IN+ pin with no power input to Vs? Is it OK if voltage is input to IN+ before Vs power is input, or if Vs is turned off while IN+ is input? …
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • INA290: Inquiry about device usage range

    JH Shin
    JH Shin
    TI Thinks Resolved
    Part Number: INA290 Tool/software: Hello, In the INA290 Datasheet, the Vcm range is specified as Vs(V) ~ 120(V) as shown below. If the INA290's Vs is supplied at 3.3V, then both +12V and +3.3V are within the current sense range, and if the INA290…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • INA290: How to reduce input bias current?

    tetsuji arita
    tetsuji arita
    Resolved
    Part Number: INA290 Tool/software: Dear Support I am considering using the INA290A3. I would like to eliminate as much current as possible flowing through the device during sleep (vs=0). Would putting an n-channel FET between the GND pin of the INA290…
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • INA290-Q1: Current sense application in PTC heater control module

    Chase Jeong
    Chase Jeong
    Part Number: INA290-Q1 Other Parts Discussed in Thread: INA226 , INA260 , AMC3302 Tool/software: Dear TI experts, My customer considers current sense application in PTC heater control module. My customer found the diagram below in TI.com, and additionally…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • INA290: Incresing Voltage Offset on Current Sense

    Steven Richardson
    Steven Richardson
    TI Thinks Resolved
    Part Number: INA290 Hi, I am using a INA290A3 to measure a 12V load using a 6mR shunt resistor. I have an issue whereby the output read at the current net below has a positive offset that appears to increase with current. It is out of spec for resistor…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • INA290-Q1: Design Review

    alikaan
    alikaan
    TI Thinks Resolved
    Part Number: INA290-Q1 Hello, Could you please review the design for following requirements, Current sense 30A Bus voltage 18VDC-36VDC
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • INA290: voltage output abnormality

    Cenk Eris
    Cenk Eris
    Resolved
    Part Number: INA290 Other Parts Discussed in Thread: INA296A , , INA296B , INA293 Hi, i am using INA290A3. Like typical circuit the following. My circuit; When Vin reaches about 0.7Vdc Vout goes 1Vdc. This situation does not occur below…
    • Resolved
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • INA290-Q1: About Low Side Measurement

    alikaan
    alikaan
    Resolved
    Part Number: INA290-Q1 Other Parts Discussed in Thread: INA290 , INA293 , INA190 Hi, We would like to use low side current measurement with INA290. I see many high side current measurement applications on datasheet but is there any problem about low…
    • Resolved
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
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