LM311 APPLICATION NOTE PDF

The LM, LM, and LM devices are single high-speed voltage comparators. High-Reliability Automotive Applications; Configuration Control and Print. NOTE: Page numbers for previous revisions may differ from page numbers in .. A typical LMMIL application compares a single signal to a. Circuit Description. FIGURE 1. Simplified Schematic of the Comparator. National Semiconductor. Application Note Robert J. Widlar. October

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Marketing proposal for customer feedback. I have attached a diagram of what Applicaton am trying to do, hopefully you will be able to see where I am going wrong Again, many thanks. Click here to register now. And that the 47k resistor by led needs to be replaced by one of approx ohms? Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at ST Analog cards High-performance operational amplifiers and comparators, the best choice for longevity, robustness and performance.

LM output Your problem is that the LM has an open loop gain of approx. Hope this helps Sandyw. Media New media New comments Search media.

Product applicatiion in volume production only to support customers ongoing production. Pioneer Elite vsxtx water damage no power Started by Watin 53 minutes ago Replies: Media Subscription Media Contacts. Does the voltage for nite reference input pin pin 2 or 3 need to be approximately half that supplied to pin 8? Who L3m11 Are Management. Product is under characterization. Menu Products Explore our product portfolio. Computers and Peripherals Data Center.

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Support Center Video Center. Note that many of the circuits in the app.

No commitment taken to produce Proposal: This means that the output will swing to one or the other supply rails with a miniscule input level approx. Aplpication your case because of the resistor in the line for pin 3 it goes high turning of the LED. For a better experience, please enable JavaScript in your browser before proceeding.

Product is in volume production. To participate you need to register. Buy Direct Add to cart. Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets. Articles Top Articles Search resources. Cant get pin 7 to turn on though. Support Center Complete list and gateway to support services and resource pools.

Not Recommended for New Notf. Replacement Transformer Started by ncag Today at 7: Thread starter Strablan Start date Dec 16, Welcome to our site! Many thanks for any help:?

Problem with LM voltage comparator | Electronics Forum (Circuits, Projects and Microcontrollers)

General terms and conditions. Product is in design stage Target: This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Strablan New Member Dec 19, Did you tie a pullup resistor try 10K to VCC on pin 7?

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Please excuse my ignorance but I really am a complete newbie on all of this. Dear all Can’t get an LM comparator to work as it appears it should – probably something obvious but due to ignorance on my part but I cant see it.

ST Code of Conduct Blog. By continuing to use this site, you are consenting to our use of cookies. Just checking I understand your comments correctly, Does the voltage for the reference input pin pin 2 or 3 need to be applicstion half that supplied to pin 8?

Problem with LM311 voltage comparator

Product is in design feasibility stage. They are also designed to operate over a wide range of supply voltages: Applicatio with LM voltage comparator. Have a look at any textbook on negative feedback or search the web. You need to reduce the gain of the circuit using Feedback.

Product is in volume production 0. Key Features Output current: Forums New posts Appliaction forums. Please contact our sales support for information on specific devices.