Search tips
Showing 167 results View by: Thread Post Sort by

  • OPA857: OPA857 Drive Capability

    TI Thinks Resolved
    Part Number: OPA857 Tool/software: Can the OPA857 directly drive a differential 100 Ohm input? Or a single ended 50 Ohm input?

  • OPA857: OPA857 Spice Model

    Part Number: OPA857 Other Parts Discussed in Thread: OPA858 , TINA-TI Tool/software: I am using the OPA857 in LTSpice and I am getting an error about floating nodes within the device: ERROR: Node U2:I0:I5:I19:1:102 is floating and connected to current…

  • OPA857: OPA857 schematic review plz..

    Part Number: OPA857 Tool/software: Hi guys, I've put in all the work I could hooking up the OPA857 to reverse biased Photodiodes with my beginner's experience in PCB Design and I need some expert's advice on my finished schematic. I've gone through majority…
    • Answered

  • OPA857: OPA857 schematic review plz..

    Resolved
    Part Number: OPA857 Other Parts Discussed in Thread: OPA858 , OPA855 Tool/software: Hi guys, I've put in all the work I could hooking up the OPA857 to reverse biased Photodiodes with my beginner's experience in PCB Design and I need some expert's…
    • Resolved
    • Answered

  • OPA857: Increasing input current limit

    Resolved
    Part Number: OPA857 Tool/software: Hi, Can we increase the input current limit for the TIA by reducing the gain of the chip? OPA857 has a selectable gain using CTRL pin. I've it at 5k gain at the moment which has a current limit of 240uA. If I want…
    • Resolved

  • OPA857: Amplifier for PMTs

    Part Number: OPA857 Tool/software: Hello E2E Experts, Good day. I am using Hammamatsu 10721-110 PMT. Is there a suitable amplifier? The amplification range should be around 10e-7A/V, the noise RMS <0.5nA and the bandwidth of at least 150 kHz …

  • OPA857: Not able to open simulation file

    Part Number: OPA857 Other Parts Discussed in Thread: THS4541 Tool/software: Hello, We are planning to use the OPA857 IC in our new design. I have downloaded the OPA857 simulation file and tried to open it in PSpice for TI, but I got the following…

  • OPA857: Output of OPA857 staying constant.

    Part Number: OPA857 Other Parts Discussed in Thread: THS4541 Tool/software: Hii, I am using OPA857 in my design and I have attached schematic of the same. Currently I m using CR2(APD). I don't see any change in the output rails whenever any pulse falls…

  • OPA857: Regarding connection of photodiode to IN

    TI Thinks Resolved
    Part Number: OPA857 Other Parts Discussed in Thread: OPA855 , OPA859 , OPA856 Tool/software: Im connecting a silicon detector photodiode to the TIA , i have been told to connect cathode to TIA's inverting input and anode to ground , but in the datasheet…

  • THS6222RHFEVM: Request for High-Speed LED Driver Recommendation for LiFi System (OPA857 Receiver)

    TI Thinks Resolved
    Part Number: THS6222RHFEVM Other Parts Discussed in Thread: OPA857 , LMH13000 , THS6222 Tool/software: Dear Texas Instruments Team, I hope you are doing well. We are developing a LiFi communication system and currently use the OPA857 as the transimpedance…

Didn't find what you are looking for? Post a new question.