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  • 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…

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

    Lukas, Would you please share the TINA tsc file in which you observed the issue? Thanks, JC
    • Answered

  • RE: OPA820 output voltage maximum value

    Resolved
    Hi William, The typical numbers were based on measuring a lot of parts. It would be best to use the +3.8V typical number. The parameters of the output devices will change from lot to lot so the exact voltage will be different for different parts. …

  • what is the maximum output voltage of OPA820 in this circuit?

    Other Parts Discussed in Thread: OPA820 , THS4221 Hi, The excellent op am OPA820 is used as an error amplifier in an LDO circuitry, shown as above. OPA820 is suppled by only the +5v single supply. the LDO input is 3v3, and the output is setted as…

  • what is the maximum output voltage of the OPA820 when it is driving a very light load?

    Other Parts Discussed in Thread: OPA820 Hi, The excellent op am OPA820 is used as an error amplifier in an LDO circuitry. OPA820 is suppled by the +5v single supply. the LDO input is 3v3, and the output is setted as 3v0.The pass element is an N channel…
    • Answered

  • Recommended Source Resistance vs Capacitive Load for OPA820

    Resolved
    Other Parts Discussed in Thread: OPA820 Looking at the OPA820 datasheet in regards to the “ RECOMMENDED RS vs CAPACITIVE LOAD ” graph on page 12 , can you tell me if I need to have a resistance greater than what the line specifies or the same as the…
    • Resolved

  • TMUX1101: TMUX1101 with inverting summing amplifier showing high-pass filtering?

    Part Number: TMUX1101 Other Parts Discussed in Thread: OPA820 Tool/software: Hello I have built an four input inverting summing Amplifier using OPA820 and the feed comes from TMUX1101 output. The rise time and fall time of the summing amplifier output…
    • Answered

  • THS4551: Design Methodology for MFB Filters doc error?

    Resolved
    Part Number: THS4551 Other Parts Discussed in Thread: OPA820 , ADS127L11 Tool/software: I'm trying to follow the procedure described in the application report titled Design Methodology for MFB Filters in ADC Interface Applications to design a 2nd order…
    • Resolved

  • VCA820: VCA820 AGC clipping for 30MHz signal

    TI Thinks Resolved
    Part Number: VCA820 Other Parts Discussed in Thread: OPA695 , OPA820 , Hello Kai, I working for AGC network which works for 30ns to 200ns for that purpose I have implemented VCA820 circuit with OPA695 and OPA820 for feedback integrator, but I couldn…

  • VCA821: Automatic Gain amplifier frequency Response.

    TI Thinks Resolved
    Part Number: VCA821 Other Parts Discussed in Thread: OPA820 , VCA820 , TINA-TI , OPA856 Hello Team, I am working with Automatic Gain controller on a high BW of 30MHz communication line. For this application I have choose VCA821 VGA and OPA820 comparator…

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