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Showing 15 results View by: Thread Post Sort by
  • LMV641: LMV641 differential input of Vid principle

    Pei Gong
    Pei Gong
    TI Thinks Resolved
    Part Number: LMV641 Other Parts Discussed in Thread: LMV651 , Hi Nice to meet you, could you please help to explain below parameter of LM641? why the differential input of Vid limit in ±0.3V? could you also share the internal circuit to better…
    • over 5 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LMV641: LMV641 Damage.

    Ian Wang
    Ian Wang
    Resolved
    Part Number: LMV641 Other Parts Discussed in Thread: LM324A Hi Sir, My customer using op amp as integrator for gain & adding bias to analog signal (please see the illustration below), Op Amp V+ = 3.3V, V- = 0V The usage is that want to shift audio…
    • Resolved
    • over 6 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LMV641: LMV641 closed loop gain question.

    Raphael Puzio
    Raphael Puzio
    Resolved
    Part Number: LMV641 Hello, Can you help clarify the closed loop gain from the LMV641 datasheet? In equation 4, it’s listed the required gain is 23.2 while in equation 6 where user calculate the max frequency, we advised to use the gain of 26.3. In the…
    • Resolved
    • over 7 years ago
    • Amplifiers
    • Amplifiers forum
  • LMV641: Maximum voltage can the output pin support

    Lacey Lin
    Lacey Lin
    Part Number: LMV641 Hi team, Below is the schematic of the LMV641 In the application of my customer, the output is almost 5V, but the next stage of the output may have a signal with Vmax=10V will added in output pin(RSST_OP_RT45). The signal is…
    • over 7 years ago
    • Amplifiers
    • Amplifiers forum
  • LMV641: offset voltage

    Lilian Chang
    Lilian Chang
    TI Thinks Resolved
    Part Number: LMV641 Hi Team, Please help to review the schematic design of below circuit. Input is about 0.1V, 2X gain, tested at room temp. And my customer found the output offset is about 20mV, could it be anything wrong? 20mv if too much for my customer…
    • over 7 years ago
    • Amplifiers
    • Amplifiers forum
  • LMV641: Abnormal output while the input signal existed before device powered up

    Benjamin Zhou
    Benjamin Zhou
    TI Thinks Resolved
    Part Number: LMV641 Hi Team, My customer used LMV641 for negative voltage detection, which VIN+ connect to V- with a resister, Vin- connect to the detected voltage via resister. While Vin- signal(Negative Voltage) is existed before the LMV641 powered…
    • over 6 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LMV341: EMIRR data for LMV341 and LMV641

    Kenji Ninagawa
    Kenji Ninagawa
    Resolved
    Part Number: LMV341 Other Parts Discussed in Thread: LMV641 , , OPA314 Hi, Team Can we have any EMIRR data for LMV341 and LMV641 ? << Background >> Our customer has been working on LMV341/641 and these devices was not able to achieve the test…
    • Resolved
    • over 7 years ago
    • Amplifiers
    • Amplifiers forum
  • LMV641 Turn-on time

    Sadok Bdiri
    Sadok Bdiri
    Other Parts Discussed in Thread: LMV641 , LMV651 Hello everyone, I can't seem to find the turn-on time information in the data-sheet of LMV641 . Can you please let me know ?. Also, if there are better devices with better GBW and similar current…
    • over 10 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LMV641

    Vladimir Naumenkov
    Vladimir Naumenkov
    Resolved
    Other Parts Discussed in Thread: LMV641 , LMV861 Please, report, will be this circuit work? Whether the output signal of LMV641 is 500 mV ? Please, see file attacment 11.06.2013.docx TIA Vladimir Naumenkov www.agat.by
    • Resolved
    • 11.06.2013.docx
    • over 12 years ago
    • Amplifiers
    • Amplifiers forum
  • RE: OPA991: too high distortion of the 60kHz amplifier

    user5801317
    user5801317
    Hello Carolina, Yes, I also think that both TLV172 and OPA172 are fit for our application. About LMV641/LMV841/LPV411, theirs slew rate is too low. For example, see waveform of the LMV641 TINA simulation: And what about the OPA992 ? It features…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
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