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  • LM311: LM311 New quad comparator device suggestion

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    Part Number: LM311 Other Parts Discussed in Thread: TLV1872 Tool/software: Hi Chi, Just wanted to check if there's any news about the new dual variant of the LM311 we talked about some time ago in the below thread? https://e2e.ti.com/support/amplifiers…
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  • LM311: Enquiry for part LM311H/NOPB failed DIP test (270112)

    TI Thinks Resolved
    Part Number: LM311 Tool/software: Hi Paul, Good day. This is reference to LM311: Enquiry for part LM311H/NOPB failed DIP test (270112) We have received 3pcs samples from customer on 21st Nov 24 and our Products would like to know the RMA# and shipping…
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  • LM311: a hysteresis in LM311

    Resolved
    Part Number: LM311 Other Parts Discussed in Thread: TINA-TI Dear sir, please answer I need to set a hysteresis in LM311. Please, report, should I connect the feedback resistor between pins “COL” and “+IN” or between pins “COL” and “-IN” ? I understand…
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  • LM311: Equation for MFB Bandpass Filter in Active Filter Design Techniques

    Resolved
    Part Number: LM311 Tool/software: Hello, This document: Chapter 16 Active Filter Design Techniques Literature Number SLOA088 Excerpted from Op Amps for Everyone Literature Number: SLOD006A On page 16-31 the equation for a MFB Bandpass filter is…
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  • LM311: Enquiry for part LM311H/NOPB failed DIP test (270112)

    TI Thinks Resolved
    Part Number: LM311 Tool/software: Hi, Customer has bought part LM311H/NOPB, total 20pcs (shipped on 8/1/24) and found all parts failed DIP Test as below conditions.(datecode 1909) Please help to verify and advise. Thanks Regards
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  • LM311: LM311 with hysteresis not working in LTspice simulations

    Resolved
    Part Number: LM311 Hi Experts, Our customer is trying to simulate the following LM311 circuit with hysteresis in LTspice: The circuit is supposed to be a comparator with hysteresis centered around 2.5V, with high threshold 3.1V and low threshold 1…
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  • LM311: Output voltage when VCC is OFF

    Resolved
    Part Number: LM311 Hello team, On the datasheet, Abs max value of EMIT OUT and COL OUT is not related to VCC. Is this mean that, even during VCC=0V, those pins can withstand up to 30V and 40V respectively? Best Regards, Kei Kuwahara
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  • LM311: Not matched low to high and high to low response time, high to low is 10 times longer than specification

    Resolved
    Part Number: LM311 Other Parts Discussed in Thread: TLV1871 Tool/software: I'm using LM311 to make a zero crossing detector. The low to high response time is 112ns, however the high to low response time is 1.35us, much longer than excpected. …
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  • LM311: New quad comparator device suggestion

    Resolved
    Part Number: LM311 Hi I will like to suggest a new quad comparator device (sorry if this isn’t the right place for this). The LM311 comparator has been around for many years, but still seems very popular because of some unique features, like ±15V supplies…
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  • LM311-N: What is LM311-N minimum operation voltage?

    Resolved
    Part Number: LM311-N Other Parts Discussed in Thread: LM311 , TLV1812-Q1 Hello guys, One of my customers is considering using LM311M(X)/NOPB. They have the following questions. Could you please tell me your reply? Q1. What is LM311-N minimum operation…
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