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  • INA821: Bias currents for INA821 at +/-5V.

    Resolved
    Part Number: INA821 Hello TI support, We are to use INA821 at +/-5V supplies. Datasheet specifies bias current at +/-15V to be 0.5nA at 25'C. Does the bias current specs at +/-15V remain same at +/-5V ? or will change? If change how much approx. increase…
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    • Answered

  • INA821: INA821 lable issue

    Resolved
    Part Number: INA821 Dear expert For the same LOT of INA821, there are two different Lables ,please help check .
    • Resolved

  • INA821: INA821 noise than AD8221

    TI Thinks Resolved
    Part Number: INA821 Tool/software: HI Sir I use the INA821 to replace ADI/AD8221, But the reading ad8221 is 60UV, but the INA821 is 100UV maybe is the BW ,result in the noise did you have any advise? or others solution, i don't want to adjust…

  • INA821: ABSOLUTE MAX TABLE ISSUES

    TI Thinks Resolved
    Part Number: INA821 Other Parts Discussed in Thread: INA630 , We would like to use the INA 821 as a bidirectional precision current sense amp with an input common mode range of 0V to +21 V. Since the inputs need to be 2 V away from the rails we…
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  • INA821: INA821 vs INA819: How can I choose one

    Resolved
    Part Number: INA821 Other Parts Discussed in Thread: INA819 , INA826 , INA827 Tool/software: Hi experts, I am looking for an in-amp that meets the following specifications. I checked TI.com and found that INA821 and INA819 looked good. What are…
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  • INA821: Input Bias Current Return Path

    Resolved
    Part Number: INA821 Other Parts Discussed in Thread: TINA-TI Tool/software: If using the INA821 with a 5k Ohm strain gauge bridge (10V excitation with 0V reference), is providing a path for the input bias current still required as shown in Figure 68 of…
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  • INA821: INA821 works as a high-pass filter

    Part Number: INA821 Other Parts Discussed in Thread: INA1650 Tool/software: Dear Ti Engineers, I am using INA821 as an amplifier, what the input impedance of each differential input? The input frequency is 0-200kHz, but the output frequency which I…
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  • INA821: Drop in alternative for INA821

    Resolved
    Part Number: INA821 Other Parts Discussed in Thread: OPA187 Hello, we have recently developed a prototype board that include an INA821 used as DC amplifier with gain 500, We misread the datasheet and we thought that the Vcm was +/- 2V around the supply…
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    • Answered

  • INA821: Input Impedance

    Resolved
    Part Number: INA821 Tool/software: Hi, How is common mode respectively differential mode input impedance defined? Is it possible to draw an equivalent schematic? Also in the datasheet are the given values MIN, TYP or MAX? Best regards, /Takes…
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    • Answered

  • INA821: Design review and question

    Resolved
    Part Number: INA821 Other Parts Discussed in Thread: TMS320F28386D , OPA1637 Tool/software: Hi, We would like our INA821 design to be reviewed: The input signal characteristics are the following: Frequency: 1kHz to 15kHz Voltage: ±1V to ±10V…
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