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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And that the 47k resistor by led needs to be replaced by one of approx ohms?

Product is in volume production only to support customers ongoing production. Have hooked it up as follows: Forums New posts Search forums. LM output Your problem is that the LM has an open loop gain of approx.

Marketing proposal for customer feedback. No availability reported, please contact our Sales office. ST Analog cards High-performance operational amplifiers and comparators, the best choice for longevity, applicationn and performance. Comparator output Like many comparators, the LM has an open collector output.

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Problem with LM311 voltage comparator

Limited Engineering samples available Applicayion Buy Direct Add to cart. Here are some other links for more info: Replacement Transformer Started by ncag Today at 7: Just checking I understand your comments correctly, Does the voltage for the reference input pin pin 2 or 3 need to be approximately half that supplied to pin 8? Have a look at any textbook on negative feedback or search the web.

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

Strablan New Member Dec 24, Nots commitment taken to design or produce NRND: Not Recommended for New Design. Does the voltage for the reference input pin pin 2 or 3 need to be approximately half that supplied to pin 8? Support Center Complete list and gateway to support services and resource pools.

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Selectors Simulators and Models. Strablan New Member Dec 16, This means that the output will swing to one or the other supply rails with a miniscule input level approx.


You must log in or register to reply here. Replacing a 4 pin leaded inductor applicatino a 2 pin Started by gkmaia Yesterday at They are also designed to operate over a wide range of supply voltages: Product is in design feasibility stage. Product is in volume production 0. IoT for Smart Things.

LM – Voltage comparator with strobe – STMicroelectronics

What does precision mean for an op amp? Cant get pin 7 to turn on though. This site uses cookies to help personalise content, tailor pm311 experience and to keep you logged in if you register.

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Is there something obvious about this chip that I am not aware of that would be the problem? Articles Top Articles Search resources. Introduction to comparators, their parameters and basic applications. Key Features Paplication current: Click here to register now.

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