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Showing 80 results View by: Thread Post Sort by
  • INA290: INA290A2

    Zsolt Danyi
    Zsolt Danyi
    TI Thinks Resolved
    Part Number: INA290 Dear Support, I have a question regarding the INA290A2 chip. I use this chip to measure maximum 3A. My problem is I get a fairly big difference between my multimeter current measurememt and my INA current measurement.To my 39 Ohm…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • INA290-Q1: Negative voltage operation error

    JH Shin
    JH Shin
    TI Thinks Resolved
    Part Number: INA290-Q1 Other Parts Discussed in Thread: INA290 , INA193 Hello, My customer designed INA290 for DC/DC output voltage monitoring as shown below. P15V_CS is output normally, but N15V_CS is not output normally. N15V_CS should output…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • INA290: how to offset output of INA290

    Shengnan Li
    Shengnan Li
    TI Thinks Resolved
    Part Number: INA290 Hi, I am using INA290 in a boost circuit for peak current mode control, but the bandwidth is very low at low output(small current), I am not able to do stable control at light load. Is there a way to overcome this ? is there a way…
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • INA290: not sensing current from PL601-PAIM-TTI

    curtis lin
    curtis lin
    Part Number: INA290 I noticed that the INA290A5 amplifier does not have an output when there is current flowing through my linear power supply PL601-PAIM-TTI, it is connected to a 1mΩ current sensing resistor and a load. The output of the amplifier remains…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • INA290: What is the max PWM switching frequency can INA290 be used in?

    Shengnan Li
    Shengnan Li
    Resolved
    Part Number: INA290 Other Parts Discussed in Thread: TINA-TI , INA240 1. If I use INA290 in series with the inductor in a boost circuit, for peak current mode control. Since its bandwidth is 1.1Mhz, what is the max pwm switching frequency boost can switch…
    • Resolved
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • INA290: Gain inquiries

    Danilo A.
    Danilo A.
    TI Thinks Resolved
    Part Number: INA290 Hi Team, Our customer is considering the INAx290 in his application and has the following inquiries. My requirement is to measure low differential voltage (2-20mV) with 54V common mode voltage Can you let me know the gain variants…
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • INA290: INA290A5QDCKRQ1 - Is P/N Available For Negative Voltage(s)?

    John Westmoreland
    John Westmoreland
    Part Number: INA290 Hello, The title of this thread should read: INA290A5QDCKRQ1 - Is P/N Available For Negative Voltage(s)? - The P/N we're using wasn't recognized by the search filter - INA290A5QDCKRQ1. We're currently using the INA290A5QDCKRQ1…
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • INA290: Question on zero drift

    Jerry Steele
    Jerry Steele
    Resolved
    Part Number: INA290 What is the internal clock frequency of the zero drift chopper(s)?
    • Resolved
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • INA290: Functional Block Diagram Error?

    Jason Haedt
    Jason Haedt
    Resolved
    Part Number: INA290 On the INA290, there are differences in the functional block diagrams. On the first page, page 15, and page 18 there are different block diagrams with reference to the inverting and noninverting input of the amplifier. Can you elaborate…
    • Resolved
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • INA290: IN+/- bias before Vs rail power up

    Jeramie Bianchi
    Jeramie Bianchi
    TI Thinks Resolved
    Part Number: INA290 In an application I am working on, we are trying to sense the current seen on 54V but the Vs to the device will be more like 12V or 5V which will come up later on in the power sequencing. Is there any concern or issue with having…
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
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