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Showing 10 results View by: Thread Post Sort by
  • LM339B: Internal protection diode

    Shuji Ishiwata
    Shuji Ishiwata
    TI Thinks Resolved
    Part Number: LM339B Hi All, Customer is considering LM339B. I am concerned about whether it is resistant to static electricity. Therefore, I am wondering whether to install an additional protection diode. Installing protection diodes increases costs. So…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LM339B: Possible to connect 2 Out ports together (use as OR function)?

    Kenneth Andersen
    Kenneth Andersen
    Resolved
    Part Number: LM339B Hi, I need an OR function on 2 of my outpust from LM339BIPWR. Can I connect them together on the output to get an OR function without any diodes connected to the outputs? Best regards, Kenneth
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • LM339B: 2 Out ports tied together (use as OR function), get only 1.5V on output when 1 input is high and 5V when 2 inputs are high

    Kenneth Andersen
    Kenneth Andersen
    TI Thinks Resolved
    Part Number: LM339B Other Parts Discussed in Thread: LM339 Hi, Chen tieing the 2 output ports together, I get only 1.5V on the output if only one of the inputs are high. When high on both inputs the output is 5V. Previously I was told I could just tie…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LM339B: 0V Supply use case (LM339B and LM393B)

    Shinya Sawamoto
    Shinya Sawamoto
    Resolved
    Part Number: LM339B Other Parts Discussed in Thread: LM393B , LM339 Hello team, I have a quick question. Is the input voltage under the ABS max allowed to be biased regardless of the supply voltage condition for LM339B and LM393B? (e.g. Vin=32V with Vcc…
    • Resolved
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LM339B: Release Timing of the SOIC Package

    Ryu Yamashita
    Ryu Yamashita
    Resolved
    Part Number: LM339B Hi team, When will the SOIC package for the LM339B be released? Thanks, Ryu
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • RE: SN74LVCH8T245: Looking for a shift register to interface transistors to an I2C port extender (TCAL6416)

    Clemens Ladisch
    Clemens Ladisch
    The power supply pin needs a decoupling capacitor. To detect what is more an analog signal, use comparators, e.g., LM339LV/LM339B.
    • 6 months ago
    • Logic
    • Logic forum
  • RE: LM339: Please help to review the sch with post-PCN device

    Clemens Ladisch
    Clemens Ladisch
    See section 3 of the Application Design Guidelines for LM339 Comparators . The quad device (LM339/LM239) does not change its behaviour, not even when both inputs exceed the valid input voltage range. But if you ever want to use the LM339B, this might matter…
    • 7 months ago
    • Amplifiers
    • Amplifiers forum
  • RE: LM339: LM339DR

    Ron Michallick
    Ron Michallick
    Cagri, çagri utku said: The product coded LM339 DNWYHQG G4 gives smoother results. Understood. My remaining question is the DNWYHQS very old or is it a non TI device. If it is not TI, then that could easily make a significant performance difference. If…
    • 6 months ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • RE: LM393: Replacement of LM393 for 4 channel

    Clemens Ladisch
    Clemens Ladisch
    Resolved
    The four-channel version of the LM393 is the LM339. Nowadays, you should use the more modern LM339B, or the LM339LV for low-voltage applications.
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • RE: LM324B: Driving the input pins beyond the power rails in open-loop

    Clemens Ladisch
    Clemens Ladisch
    The absolute maximum ratings allow these voltages, so the device will not be damaged. The recommended operating conditions do not allow this, so there is no guarantee that this will work correctly. For details of this chip, see section 2.2 of the Application…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum

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