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  Mark Philip Felipe

  • 2 months ago
  • Amplifiers
  • Amplifiers forum

  OPA858: Feedback Pin

  TI Thinks Resolved

  Part Number: OPA858 Hi Team, we would like to confirm if our customer would not use the Feedback Pin (FB), Can we leave it floating? Thank you very much. Regards, Mark
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  Giora Eytan

  • 8 months ago
  • Amplifiers
  • Amplifiers forum

  OPA858:

  • Resolved

  Part Number: OPA858 Hello, I tried to use the OPA858 spice model - OPA858 TINA-TI Spice Model (Rev
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  Sonja Stacher

  • 2 months ago
  • Amplifiers
  • Amplifiers forum

  RE: OPA858: input capacitance calculation

  Hi Kai, thank you so much for having a closer look into that! This solves my problem! Before I wasn't using Kirchhoff's law.. Actually I don't know what I was doing. However, having your solution I was even able to do the math to get...
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  kai klaas69

  • 1 month ago
  • Amplifiers
  • Amplifiers forum

  RE: OPA858: Photodiode Amplifier for Short (1-2ns) Laser Pulse

  Hi Jared, thanks for sharing the documents. You need an isolation resistor in series to the output like shown in the schematic of figure 64 of datasheet: Unfortunately, there's a mistake in the layout recommendation of figure 64, which shows...
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  Kailyn Chen

  • 3 months ago
  • Amplifiers
  • Amplifiers forum

  OPA858: how to import the spice model into Virtuoso

  Part Number: OPA858 Hello, How to import the Pspice model into virtuoso? Our customer tried to import the .lib file into virtuoso, but it appeared error like this: XI67 VCC_INT VEE_INT NET21 VINP_INT ESDDIODES PARAMS: VESDL=-250e-3 VESDH=1.25 ...
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  Weiyu Leng

  • 5 months ago
  • Amplifiers
  • Amplifiers forum

  OPA858: PSpice model of OPA858

  • Resolved

  Part Number: OPA858 To whom it may concern, Do you have encrypted PSpice model for OPA858 ? Thank
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  Mark Philip Felipe

  • 2 months ago
  • Amplifiers
  • Amplifiers forum

  OPA858: OPA858 and OPA855 LTSpice

  Part Number: OPA858 Hi Team, the customer wants to confirm if these devices are supported on LTSpice. They tried to use the PSpice model however it is encountering error. Hoping for your kind response. Thanks. Regards, Mark Felipe
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  Sonja Stacher

  • 7 months ago
  • Amplifiers
  • Amplifiers forum

  OPA858: bode diagram

  • Resolved

  Part Number: OPA858 Hello, I have a question about the bode plot of my circuit. Can anyone explain
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  user5318419

  • 6 months ago
  • Amplifiers
  • Amplifiers forum

  OPA858: Why is there voltage at the input side of the amplifier without input

  Part Number: OPA858 Hi engineer! As shown in the figure, I want to use opa858 to amplify the current signal, but when the photodiode is not connected (when there is no input signal), I want to measure the out of balance voltage, but the inverting input...
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  Kuramochi Tadahiko

  • 7 months ago
  • Amplifiers
  • Amplifiers forum

  OPA858: Feedback capacitor

  • Resolved

  Part Number: OPA858 Hi, My customer consists of feedback capacitors in series to reduce capacitance

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