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  • DEM-OPA-WSON8-EVM: CE/EU Declaration of Conformity (aka EU DoC) required

    Resolved
    Part Number: DEM-OPA-WSON8-EVM Other Parts Discussed in Thread: OPA855DSGEVM Hi Please can you provide the CE/EU Declaration of Conformity for DEM-OPA-WSON8-EVM ? The product shows it bears the CE mark however the declaration is not available on the…
    • Resolved

  • DEM-OPA-SOT-1A: DEM-OPA-SOT-1A

    Part Number: DEM-OPA-SOT-1A Other Parts Discussed in Thread: THS4121 Hi team, My customer would like to use DEM-OPA-SOT-1A EVM boar to evaluate OPA300AIDBVT and OPA657NB/250. Could you please clarify the package in which feedback resistor and optional…

  • DEM-BUF-SO-1A: Attenuated output

    TI Thinks Resolved
    Part Number: DEM-BUF-SO-1A Hi Team, A customer has this board but they are having 10x attenuated output and not unity gain. The board was assembled as per the schematic with the corresponding value: Rin1 = 50 ohms; Rin2 = 25 ohms; Rout 1= 50 ohms;…

  • DEM-OPA-WSON8-EVM: BOM of DEM-OPA-WSON8-EVM

    Part Number: DEM-OPA-WSON8-EVM Hello, I purchased DEM-OPA-WSON8-EVM but BOM is not listed in User's Guide. Where should I look? Best Regards, Mikiko
    • Answered

  • DEM-OPA-WSON8-EVM: Gerber Files

    Resolved
    Part Number: DEM-OPA-WSON8-EVM Good afternoon, is it possible for you to provide the gerber files of the mentioned evaluation board? Thanks in advance, Pablo.
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  • DEM-OPA-SOT-1A: Pin 5 & 6 Orientation

    Resolved
    Part Number: DEM-OPA-SOT-1A Hi Team, Need your assistance on this minor discrepancy that one of our customer had raised. On the pin configurations pin 5 is /DIS and pin 6 is Vs+. We have noticed that on the DEM-OPA-SOT-1A typical application circuit …
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    • Answered

  • DEM-OPA-WSON8-EVM: Components size/type

    Resolved
    Part Number: DEM-OPA-WSON8-EVM Other Parts Discussed in Thread: OPA858DSGEVM , OPA858 Can you provide the size/type of passives and SMA connector for the EVM? Regards, Bernd
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    • Answered

  • Re: OPA 656 with Demoboard DEM-OTA-SO-1A

    Resolved
    Ahmed, What sensor are you using and what is the expected current output signal? With the large transimpedance gain (1Mohm) and large sensor capacitance of 185nF, the bandwidth will not be very wide, maybe on the order of 10kHz. You are using the…
    • Answered

  • OPA 657 - Why so noisy??

    Resolved
    Other Parts Discussed in Thread: OPA657 OPA 657 works as an current to voltage converter. It has 30M (30 000 000 ohms) resistor in feedback loop and the problem is that noise mesured on the output (bandwidth is limited to 150kHz by RC filter)is aprox…
    • Resolved

  • OPA847: Large overshoot and oscillation problem on my TIA amp.

    Part Number: OPA847 Other Parts Discussed in Thread: DEM-OPA-SO-1A , TINA-TI , , LMH6629 , LMH32401 Tool/software: Hello, I’m a beginner with transimpedance amplifier design. APD: - Photocurrent: pulses of a few µA, width on the order of 10 ns …

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