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  • OPA855-Q1: OPA855-Q1

    Part Number: OPA855-Q1 Other Parts Discussed in Thread: OPA855 We are developing Lidar by applying OPA855-Q1. OPA855-Q1 product bandwidth is 8GHz. The PD Bandwidth we are applying is 2GHz. We use the product at 100MHz. Is it possible for the product to operate…
    • Answered

  • OPA855-Q1: SPICE Model

    Resolved
    Part Number: OPA855-Q1 Other Parts Discussed in Thread: OPA855 , Hi, Is the SPICE Model available for the OPA855, if so where can I find it. I am looking to do simulations in TINA. Thanks Gary
    • Resolved

  • OPA855-Q1: No negative output from TIA - positive output is good

    Part Number: OPA855-Q1 Other Parts Discussed in Thread: OPA858 , OPA855 I'm debugging a TIA circuit using the OPA855 or the OPA858.this pcb has five identical circuits and I'm observing this error. I'm testing for both negative and positive photo…
    • Answered

  • OPA855-Q1: Why the recovery time of the OpAmp becomes longer?

    Resolved
    Part Number: OPA855-Q1 Other Parts Discussed in Thread: OPA858-Q1 , OPA858 Hi together, figure1 is my circuit schematic. My circuit is having a problem. After switching the channel of the switch chip, The output recovery time of the OpAmp (OPA855-Q1) becomes…
    • Resolved

  • OPA855-Q1: Loop stability

    Part Number: OPA855-Q1 Hello team, My customer is using OPA855-Q1, they want to test the loop stability of the OPA855-Q1. Is there any recommend way? Thank you so much. Best regards, Lanxi Li
    • Answered

  • OPA855-Q1: Output layout instruction

    Resolved
    Part Number: OPA855-Q1 Other Parts Discussed in Thread: OPA855 , LMH5401 The layout guidance provided in the OPA855 data sheet is to remove ground planes under all input an output pins. The Figure below the text only shows a cutout in the region of the…
    • Resolved
    • Answered

  • OPA855-Q1: The relation between open-loop gain simulation results and reference voltage of operational amplifier

    Resolved
    Part Number: OPA855-Q1 Other Parts Discussed in Thread: OPA855 , TINA-TI Hi,together When i try to simulate the operational amplifier of OPA855, i find the simulation results vary with the reference voltage(1.65V or 2.1V), In this model: AOL = Vo/Vfb， There…
    • Resolved

  • LMH32401-Q1: Request for automotive LiDAR configuration

    TI Thinks Resolved
    Part Number: LMH32401-Q1 Other Parts Discussed in Thread: OPA859 , OPA855 , ADC3244 , LM5158-Q1 , THS4541-Q1 , OPA859-Q1 , OPA855-Q1 , THS7530-Q1 Tool/software: Hi Team, Customer is looking for automotive LiDAR configuration with TIA, ADC, APD driver, and power…

  • OPA855-Q1: OPA855 temperature margin related performance temperature drift problem

    Part Number: OPA855-Q1 Other Parts Discussed in Thread: OPA855 , HI Team, Customer noticed that when the temperature drops, using the TIA circuit built by OPA855 (similar to the figure below), the phenomenon of ringing enhancement gradually appears below…

  • OPA855-Q1: Is it high impedance output in the case "power down connection" is on low logic?

    TI Thinks Resolved
    Part Number: OPA855-Q1 Other Parts Discussed in Thread: OPA858-Q1 , OPA859-Q1 , Hi team, Is it high impedance output in the case "power down connection" is on low logic? How does "power off mode" makes OPA855-Q1, OPA858-Q1, and OPA859…

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