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  • INA851: INA851

    Part Number: INA851 Tool/software: Hello TI Team I want to measure as differential the response of a solar cell to irradiance through a shunt resistor using the INA851 instrumental amplifier. I have attached the connection of the solar cell with the…

  • INA851: INA851

    Part Number: INA851 Other Parts Discussed in Thread: INA848 Tool/software: Hi, I'm using INA851 to drive a small signal to multiple instrumentation amplifiers for a calibration path, the INA851 is feeding in parallel multiple instrumentation amplifiers…
    • Answered

  • INA851: INA851 burns in ~10 seconds under 1000X Gain +-15V power supply

    Resolved
    Part Number: INA851 I've built a INA851 evaluation circuit as shown in the picture. VDD is +15V and VSS is -15V. The Gain is 1000X. Input_P is a sinusoidal signal, 100Hz frequency, Vpp 20mV, V_high is +10mV and V_low is -10mV Input_N is the same…
    • Resolved

  • INA851: Driving ADS124S08 with INA851

    Part Number: INA851 Other Parts Discussed in Thread: ADS124S08 , , INA149 , INA333 Tool/software: Hello, I want to design a current sensing circuit using INA851. I want to connect a shunt resistor terminal differentially to INA851 for noise suppression…
    • Answered

  • INA851: INA851 nc pin 8: Can I ground the pin? (High voltage application requires me to tie all floating pins to fixed potential)

    Resolved
    Part Number: INA851 Tool/software: INA851 nc pin 8: Can I ground the pin? (High voltage application requires me to tie all floating pins to fixed potential) In other words - is it "not internally connected"? Thanks
    • Resolved
    • Answered

  • INA851: Internal FDA 5k feedback resistor tolerances

    Resolved
    Part Number: INA851 Tool/software: What is the tolerance of the 5k feedback resistors on the FDA stage? I presume they are very well matched, but if this stage is used as a first stage in a multi-pole fully differential filter and capacitors are placed…
    • Resolved
    • Answered

  • INA851: Supply for AFE

    Resolved
    Part Number: INA851 Other Parts Discussed in Thread: ADS127L21 , TPS7A49 , TPS7A47 , TPS7A39 , TPS7A57 , TPS7A96 Tool/software: Hi TI Team I'm currently working on an isolated AFE for +/-20mA current loops. As an ADC I plan to use the ADS127L21 in combination…
    • Resolved

  • LM27762: Using LM27762 for bipolar supply of INA851 instrumental amplifier

    TI Thinks Resolved
    Part Number: LM27762 Other Parts Discussed in Thread: INA851 , Tool/software: Hello Support Team I plan to use an LM27762 for the bipolar power supply of the INA851 instrumental amplifier in my design. However, due to the low load current, the LM27762…

  • INA851: How to use noise figures for INA851

    TI Thinks Resolved
    Part Number: INA851 Other Parts Discussed in Thread: PGA855 Hi, The datasheet for the INA851 includes a 3.2nV/sqrt(Hz) figure and I am wondering how exactly to use that noise density with this device. I am wondering if I add feedback caps on using the…
    • Answered

  • INA851: Input protection

    Resolved
    Part Number: INA851 Other Parts Discussed in Thread: TPS55285 , LM2611 Tool/software: The inputs of the INA851 device are individually protected for voltages up to ±40 V over the supply limits. Using the zener diode as the scheme. I have a question, if…
    • Resolved

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