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Showing 56 results View by: Thread Post Sort by
    Answered
  • OPA2187: Ibias offset tolerance at 50℃

    user6189598
    user6189598
    Resolved
    Part Number: OPA2187 Tool/software: Hi teams, I would like to ask you do you have date of Ibias offset tolerance at 50℃ on OPA2187? I would be design for next model and I will use OPA2187. On this calucilation about circuit tolerance, I need above…
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • OPA2187: Measurement the temperature drift of Input bias current

    Daisuke Higa
    Daisuke Higa
    TI Thinks Resolved
    Part Number: OPA2187 Tool/software: Hi support team all. This is a continuation of the following thread. https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1449777/opa187-regarding-input-bias-current You taught me how to measure…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA2187: IB on chopper operation

    Daisuke Higa
    Daisuke Higa
    Resolved
    Part Number: OPA2187 Other Parts Discussed in Thread: OPA188 , , OPA187 Tool/software: Hi support team. On page 12 of the Technical White Paper, the bias current transient characteristics of the OPA188 during chopper operation are described. Could…
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • OPA2187: OPA2187IDGKR

    vamsi krishna
    vamsi krishna
    TI Thinks Resolved
    Part Number: OPA2187 Could pls provided the missing data in datasheet like list below (OPA2187IDGKR) 1.Current - Supply (Max). 2.Output Voltage Swing High (VOH). 3. Output Voltage Swing Low (VOL). 4.Output Current (Max).
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA2187: Large capacitance in feedback loop

    Daisuke Higa
    Daisuke Higa
    Resolved
    Part Number: OPA2187 Hi support team. As below figure, What are the risks of using large capacitors in feedback? Best regards, Higa
    • Resolved
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA2187: open output impedance in simulation

    Ken Zhang
    Ken Zhang
    Resolved
    Part Number: OPA2187 hi, all I used OPAx187 TINA-TI Reference Design (Rev. C) to create a TINA file to simulate the output impedance of OPAX187. The simulation result is not the same as that listed in " OPAx187 TINA-TI Reference Design (Rev. C) "…
    • Resolved
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA2187: Regarding chopping frequency

    Daisuke Higa
    Daisuke Higa
    Resolved
    Part Number: OPA2187 Hi support team. I have a question regarding chopping frequency for OPAx187. What is the internal chopping frequency for OPAx187? I assume 30-40kHz from Fig 6 and Fig 15 in datasheet. Also, how much variation does it have…
    • Resolved
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA2251: Is there any diode between +INx and -INx terminals of OPA2251 like OPA2187 inputs?

    Kazuya Nakai59
    Kazuya Nakai59
    Resolved
    Part Number: OPA2251 Other Parts Discussed in Thread: OPA2187 Hello guys, One of my customers is considering using OPA2251 for their new products. At this moment, they have the following questions. Could you please give me your reply for them? Q…
    • Resolved
    • over 4 years ago
    • Amplifiers
    • Amplifiers forum
  • OPA2187: Zero-drift is 7mV

    Amelie Zheng
    Amelie Zheng
    TI Thinks Resolved
    Part Number: OPA2187 Hi Team, My customer now use OPA2187 and meet the zero -drift problem. They test the zero- drift is 7mV 25 ℃, higher than datasheet's value 10µV, 0.001µV/C˚ Could you please give some advice? thanks!
    • over 6 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA2187: High-Side Voltage-to-Current (V-I) Converter shown in figure 40 of the OPAx187 datasheet

    Jonas Trondsen
    Jonas Trondsen
    Resolved
    Part Number: OPA2187 Other Parts Discussed in Thread: OPA354 , , OPA2333 , OPA187 Hello, Regarding the typical application circuit; High-Side Voltage-to-Current (V-I) Converter shown in figure 40 of the OPAx187 datasheet. I have had some trouble getting…
    • Resolved
    • over 4 years ago
    • Amplifiers
    • Amplifiers forum
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