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  • OPA820: Pspice model issue

    Resolved
    Part Number: OPA820 Other Parts Discussed in Thread: TINA-TI Hi Team, I downloaded the OPA820 spice model, in order to use it with LTSPICE. Working within the datasheet conditions: GAIN=+2, Vout=2Vpp, Supply +/-5V, I have a distorted signal at 10MHz . …
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  • OPA820: Settling tome data

    Resolved
    Part Number: OPA820 Other Parts Discussed in Thread: BUF602 , ADS52J65 Hello. The OPA820 is unity gain stable. Why its settling time data is for G=+2 only? I would like to know for G=1. I addition, why the data is for 0.02% and not for 0.01%? Thanks …
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  • OPA820: High current output (46mA) rising edge slew rate

    Resolved
    Part Number: OPA820 Other Parts Discussed in Thread: DEM-OPA-SOT-1A , , TINA-TI Hallo, I can not verify the Noninverting Pulse Response in our applikation. VCC=6.2V...10V, VSS=-2V, Gain=+1, Pulse Signal High Level 4.6V, Pulse Signal Low Level 1V Load…
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  • OPA820: Design Methodology for MFB Filters

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    Part Number: OPA820 Other Parts Discussed in Thread: OPA317 Hello, I'm using the document " www.ti.com/lit/an/sboa114/sboa114.pdf " "Design Methodology for MFB Filters in ADC Interface" to design a 2nd order Low-pass filter with a gain of 1 and…
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  • OPA820-HT: OPA820-HT Gold Wiring

    Resolved
    Part Number: OPA820-HT I have customer asking if he can use gold wiring to the OPA820-HT. This does not seem to be an issue with me, but I wanted to confirm this with the factory engineers to verify that this will not be an issue. Thanks for your help…
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  • OPA820: Is it typo? at Electrical Characteristics : Vs = 5V

    Resolved
    Part Number: OPA820 Hello, Just to be sure, let me check. I checked the quiescent current of the OPA820 with 5V operation. It is mentioned " Vs = +/- 5V" at the TEST CONDITION of the Quiescent Current spec. on the datasheet. Is it typo? Regards…
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  • RE: OPA858: 2nd stage amplifier (OPA847 ?) for fast transimpedance application (OPA858)

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    OPA820 maybe ?

  • OPA820-HT: Input/Output Voltage Range Seems Ambiguous in Datasheet

    Part Number: OPA820-HT Other Parts Discussed in Thread: OPA820 In the datasheet for the OPA820-HT the input and output voltage ranges for the amplifier at Vs=5V (see pg.7) are specified as an absolute amount of 3.2V*, without any reference to the supply…

  • TINA/Spice/OPA820: SPICE and TINA-TIA Models have wrong input currents

    TI Thinks Resolved
    Part Number: OPA820 Other Parts Discussed in Thread: TINA-TI , Tool/software: TINA-TI or Spice Models Hello there, both the SPICE and the TINA-TI Models for the OPA820 have wrong input currents. Approx. 14uA flow into the inverting input, whereas only 7uA…
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  • OPA820 noise at 10+ MHz

    Resolved
    Other Parts Discussed in Thread: OPA820 Hi, The datasheet for OPA820 gives noise curves only to 10 MHz although the part has gain out to several hundred MHz. Does the noise remain flat above 10 MHz? Using the PSpice model I seem to see the noise rising…
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