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Showing 172 results View by: Thread Post Sort by
    Answered
  • OPA847: recommended compensation circuit for OPA847 - low gain, non-inverting

    Gruffalo
    Gruffalo
    Resolved
    Part Number: OPA847 Other Parts Discussed in Thread: THS3491 , OPA695 , LMH6702 , OPA3695 Dear Sir or Madam, I would like to use the OPA847 in non-inverting configuration at a gain of 2. Is there a recommended external compensation circuit for this configuration…
    • Resolved
    • 14 days ago
    • Amplifiers
    • Amplifiers forum
  • OPA847: opa847

    BAOLIN CHEN
    BAOLIN CHEN
    Part Number: OPA847 hello everyone, i designed a transimpedance amplifier circuit using opa847, with the cd=30pf, rf=1k when the cf=0pf, the fft of the output noise seems to have a high q, while i tuning cf to 0.3pf, the q seems to decrease and the c…
    • 6 months ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA858: 2nd stage amplifier (OPA847 ?) for fast transimpedance application (OPA858)

    Nahel Belgherze
    Nahel Belgherze
    Resolved
    Part Number: OPA858 Other Parts Discussed in Thread: OPA847 , OPA855 , OPA820 Hi, I am currently designing a photodetection board, based on a transimpedance amplifier, to characterize the time propoerties of a LED driver board. Requirements : - Transimpedance…
    • Resolved
    • 5 months ago
    • Amplifiers
    • Amplifiers forum
  • OPA847: alternate part with Higher voltage range

    Ashutosh  jain
    Ashutosh jain
    Part Number: OPA847 Other Parts Discussed in Thread: THS4011 , THS4021 , LM311 , LM211 , LM111 , TLV3501 , TLV3601 The OPA847 part has absolute power supply range +/-6.5V and recommended range is +/-5V. Do you have any similar part with higher voltage range…
    • 7 months ago
    • Amplifiers
    • Amplifiers forum
  • RE: OPA847: opa847 oscillation for Embedded Gain Transimpedance Design

    kai klaas69
    kai klaas69
    Hi Baolin, you will find them by opening the post-processor: And watch this TI's training video to see how the post-processor is used: https://training.ti.com/ti-precision-labs-op-amps-stability-spice-simulation?context=1139747-1139745-14685-1138805…
    • 11 months ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA847: I set the inverting gain of 2 for opa847 and test the output with TINA.But it seems like the circuit works well ,shouldn't the output oscillates?

    BAOLIN CHEN
    BAOLIN CHEN
    Resolved
    Part Number: OPA847 Other Parts Discussed in Thread: TINA-TI
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA847: OPA847 Ltspice model

    amina matouk
    amina matouk
    Resolved
    Part Number: OPA847 Other Parts Discussed in Thread: TINA-TI HELLO, I need a Ltspice model of OPA847
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • RE: OPA847: how can i connect the tia output of opa847 to next stage op?

    Michael Steffes
    Michael Steffes
    So there was a miswire in the negative bias to the diodes, fixed that - the response to the output of the OPA847 looks fine, not sure this is the shape you want.Those diodes divider bias networks are causing that lower frequency shift and reducing the…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • OPA847: Device not coming up on TI inventory search

    Patrick Giles
    Patrick Giles
    TI Thinks Resolved
    Part Number: OPA847 Other Parts Discussed in Thread: OPA855 Why went I use the inventory search can I not get the OPA847 to appear, I used the high speed op amps >50MhZ, de-selected all the conditional search critera. I can't get it to come up when I…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • RE: OPA847: OPA847IDBVR

    Sam Burnett
    Sam Burnett
    Resolved
    Supply traces that are too narrow can increase the parasitic inductance seen by the supply pins. Best, Sam
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
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