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  • OPA300/OPA301 Simulation in TINA

    Other Parts Discussed in Thread: OPA301 , LT1013 , TINA-TI Hi sir I am an Electronics Circuit Design Engineer. I am using OPA301 in my circuits. I have simulated OPA301as Inverting Amplifier to check its characteristics .I am getting some offset voltage…

  • TIDA-060029: OPA IC changing and MUX add in Rf/Rg selecting

    Part Number: TIDA-060029 Other Parts Discussed in Thread: OPA2810 , THS4551 , OPA301 , OPA300 , ADS127L11 , TMUX1104 , BUF634A , TINA-TI Tool/software: Hi, In the design, can we use OPA300/301 replace OPA2810? I notice the OPA 300/301 have a 60dB AOL…

  • RE: The op amp selection

    Hi Mickey, it's very difficut to achieve high gain with single power supply because when doing the biasing lots of the supply noise is injected into the signal path. So, lots of filtering is needed to keep the bias free from noise. In the following…
    • Answered

  • RE: LMH6629: Unexpected output clipping in circuit with BUF602

    Resolved
    A small addition: I'm looking at alternatives to the BUF602 and the OPA300 seems promising. It's 150 MHz GBW, unity-gain stable and has output to 100 mV of the rails.

  • [FAQ] [H] Frequently Asked Questions - High Speed Amplifiers Selection Guide - CMOS Input Amplifiers

    Frequently Asked Questions: Amplifiers >> High Speed Amplifiers >> HSA Selection Guide >> CMOS Input Amplifier Selection Guide JFET Input Bipolar Input CMOS Input FDAS Power Amps VGAs TIAs …
    • Answered

  • RE: OPA380: OPA 380 possible offset voltage debug

    Resolved
    Hello Raghu, 1) The amplifier in figure 4 is being biased at the positive input. In this case, the amplifier isn't being driven to ground. By "true zero" the document is saying that the offset is minimized and the output matches the bias voltage very…
    • Answered

  • RE: TINA/Spice: Unexpected results on TINA-TI for non-TI op amp

    Resolved
    I was able to replicate with the TI part OPA300, and I realized that the issue is the capacitance that the op amp is driving through the 10 ohm resistor. If I reduce this capacitance or increase the resistor, the feedback into the negative terminal is…
    • Answered

  • RE: TINA/Spice/LMH6629: LMH6629: Oscillation at Output

    Resolved
    Hi Ali, What is the issue you are seeing with the bootstrap? Is it oscillations? You could try to increase the value of Rf and Cf and see if the TIA is stable as shown below. Also, is there a reason as to why you absolutely need the bootstrap? I understand…
    • Answered

  • Precision rectifier with OPA330

    Resolved
    Other Parts Discussed in Thread: OPA300 , TINA-TI , OPA2330 , OPA330 I'm trying to make a standard half-wave precision rectifier using an OPA300 amp. See the attached image. When I apply an input voltage of 60Hz, 150mV RMS, the output is fully rectified…
    • Resolved

  • RE: Transimpedance amplifier

    Hello Ken and Seb, I've put together a spreadsheet of the most promising devices for your review and consideration. This spreadsheet uses your conditions: Cin= 80pF Required Bandwidth > 10kHz (I've used 100kHz to allow margin) Min / Max input…

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