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  • THS3491: How much can reduce the Rs when parallelling as a power source

    TI Thinks Resolved
    Part Number: THS3491 Hi Experts. Thank you for your support. and I'm getting very valuable informations on this site and your advices. This question is same project of my last thread. but unlike that thread, I also have to make voltage source (buffer…

  • RE: THS3491: Is it possible to use Cf to reduce the high freq. noise?

    Hi Winwoo, the THS3491 is a current feedback OPAmp and current feedback OPAmps don't like such low pass filtering caps in the feedback loops. Run a the THS3491DDA TINA-TI Reference Design (Rev. A) and look what happens when you add a Cf. Kai

  • THS3491: Unity gain setting

    TI Thinks Resolved
    Part Number: THS3491 Hello, I would like you to confirm whether THS3491 can accept unity gain setting or not. Because, according to datasheet, it seems that all spec is defined as 5V/V condition. Could you please tell me concern about unity gain setting…
    • Answered

  • THS3491: Frequency response of the Spice model.

    Resolved
    Part Number: THS3491 Other Parts Discussed in Thread: TINA-TI , We are currently using the Spice model (THS3491RGT TINA-TI Spice Model) provided by your website for simulation in circuit design using LTSpice. For comparison with Figures 1 and 3 in the datasheet…
    • Resolved

  • THS3491: Impedance matching to drive a 50 ohm transmission line

    TI Thinks Resolved
    Part Number: THS3491 Other Parts Discussed in Thread: OPA2677 , DRV134 Greetings, I'm currently in the process of selecting a high current/speed CFA in order to drive a bus with the following specifications : -characteristic impedance is 50 ohm -the…

  • THS3491: THS3491

    TI Thinks Resolved
    Part Number: THS3491 Other Parts Discussed in Thread: BUF634A , OPA2810 , OPA2677 , TINA-TI Hello, I am working on the design of an active filter I need an operational amplifier powered in 15 volts and injecting a high current ideally 500mA; I selected the…
    • Answered

  • THS3491: Single, negative, power supply use.

    Resolved
    Part Number: THS3491 Other Parts Discussed in Thread: TINA-TI Can I us the THS3491 with just a -15V power supply for -VS? and +VS connected to GND? If so, what would be the correct voltage to turn on the part at the PD pin, I am using the RGT package…
    • Resolved
    • Answered

  • THS3491: Post-Design question

    Resolved
    Part Number: THS3491 Other Parts Discussed in Thread: DAC3154 , THS3217 , Hello, I have designed the post-DAC amplifier from good ideas mentioned on this forum. The input to this stage is driven directly from current output DAC3154. The board is up and running…
    • Resolved
    • Answered

  • THS3491: Tj Sense Pin floating on THS3491IRGT

    Resolved
    Part Number: THS3491 If I don't want to use the Tj Sense pin (6) on THS3491IRGT, can I leave it floating? Do I need the 0.1uF cap on it that the EVM has? Thanks, Matt
    • Resolved
    • Answered

  • THS3491DDAEVM: THS3491

    Resolved
    Part Number: THS3491DDAEVM Other Parts Discussed in Thread: THS3491 Hi, Could you advise if TI would supply just the unpopulated pcb for the THS3491 Op_Amp, I would need approx 5 pcb or do you have a generaic Op_amp test board that I could use. I wouldnt…
    • Resolved

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