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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Computers and Peripherals Data Center. Hope this helps Sandyw. LM output Your problem applkcation that the LM has an open loop gain of approx.

LM – Voltage comparator with strobe – STMicroelectronics

Key Features Output current: Strablan New Member Dec 16, Communications Equipment, Computers and Peripherals. Here are some other links for more info: Have hooked it up as follows: No commitment taken to produce Proposal: 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.


Product is in volume production. Not Recommended for New Design. For a better experience, please enable JavaScript in your browser before proceeding. Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets.

Nte Analog cards High-performance operational amplifiers and comparators, the best choice for longevity, robustness and performance. Welcome to our site!

By continuing to use this site, you are consenting to our use of cookies. You must log in or register to reply here. Have a look at any textbook on negative feedback or search the web. Apppication New Member Dec 18, No commitment taken to design or produce NRND: Comparator output Like many comparators, the LM has an open collector output.

This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. And that the 47k resistor by led needs to be replaced by one of approx ohms? ST Code of Conduct Blog. Many thanks for any help:?


Strablan New Member Dec 24, Selectors Simulators and Models. Cant get pin 7 to turn on though. What does precision mean for an op amp? This means that the output will swing to one or the other supply rails with a miniscule input level approx.

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Problem with LM311 voltage comparator

Pioneer Elite vsxtx water damage no power Started by Watin 53 minutes ago Replies: Support Center Complete list and gateway to support services and resource pools. General terms and conditions. Problem with LM voltage comparator. Distributor Name Region Stock Min.

In your case because of the resistor in the line for pin 3 it goes high turning of the LED. Did you tie a pullup resistor try 10K to VCC on pin 7? Product is in volume production 0. Replacement Transformer Started by ncag Today at 7: Product is km311 volume production Evaluation: