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  • INA851: Supply for AFE

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    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…
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  • 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…

  • 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…
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  • 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…
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  • INA851: Signal Conditioning Circuit with Buffer Amplifier

    Resolved
    Part Number: INA851 Other Parts Discussed in Thread: TINA-TI Tool/software: I am looking for a circuit to amplify ±0.2V differential from a full bridge transducer to ±5V balanced differential output into twisted pair cable. Bandwidth 0-20,000hz. The goal…
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    • Answered

  • INA851: PSpice model of INA851 has limited output common-mode voltage

    Resolved
    Part Number: INA851 Other Parts Discussed in Thread: TINA-TI Hello, I am trying to simulate an INA851 with the following conditions: Vs+/Vs- = +/-5V V(ICM) = V V(DIFF) = 100mV V(OCM) = 2.5V Rg = 6K (Front gain = 2) Output resistance = 14k…
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  • INA851-INPUT-OUTPUT-RANGE-DESIGN-CALC: RE : Incorrect Output Observed for INA849 in Simulation (Gain = 1)

    TI Thinks Resolved
    Part Number: INA851-INPUT-OUTPUT-RANGE-DESIGN-CALC Other Parts Discussed in Thread: INA849 I am currently evaluating the INA849 instrumentation amplifier in simulation, and I am seeing an unexpected output value that does not match the theoretical calculation…

  • INA851: Clamp Voltage Inputs don't seem to work as specified

    Part Number: INA851 Tool/software: Clamp feature does not appear to operate as specified. Used INS851 EVM (evaluation module) and showed: 1. Using clamp Voltage in, +/- clamping is nearly symmetrical, regardless of one input Voltage. 2. Actual Clamp…

  • INA851: Not getting output with respect to the VOCM

    TI Thinks Resolved
    Part Number: INA851 Other Parts Discussed in Thread: ADS1271 , Tool/software: Hi there, we are using INA851 to give differential input to the ADS1271 configuration of INA851: VS- = -5V VS+ = +5V VOCM = 2.5 V VCLAMP- = connected to VS- VCLAMP…
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  • INA851: Current sensing using INA253 and INA851

    Resolved
    Part Number: INA851 Other Parts Discussed in Thread: INA253 , TINA-TI Hi TI, I have a requirement for low side current sensing design for the current range of -10A to +10A , with differential output. The current sense circuit should be able to measure…
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