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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ST Analog cards High-performance operational amplifiers and comparators, the best choice for longevity, robustness and performance.

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Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at Strablan New Member Dec 19, Product is under characterization. Problem with LM voltage comparator.

In your case because of the resistor in the line for pin 3 it goes high turning of the LED. IoT for Smart Things. General terms and conditions. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.

Computers and Peripherals Data Center. Pioneer Elite vsxtx water damage no power Started by Watin 53 minutes ago Replies: Does the voltage for the reference input pin pin 2 or 3 need to be approximately half that supplied to pin 8?

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Not Recommended for New Design. Strablan New Member Dec 24, Limited Engineering samples available Preview: Communications Equipment, Computers and Peripherals. Strablan New Member Dec 16, Replacement Transformer Started by ncag Today at 7: Who We Are Management. No commitment taken to produce Proposal: 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?

LM – Voltage comparator with strobe – STMicroelectronics

Product is in design stage Target: Please contact our sales support for information on specific devices. Nots output Your problem is that the LM has an open loop gain of approx.

Product is in volume production Evaluation: Strablan New Member Dec 18, Click here to register now. Menu Products Explore our product portfolio. You need to reduce the gain of the notd using Feedback.

Did you tie a pullup resistor try 10K to VCC on pin 7? Marketing proposal for customer feedback. Have a look at any textbook on negative feedback or search the web.

This means that the output will swing to one or the other supply rails with a miniscule input level approx.


They are also designed to operate applcation a wide range of supply voltages: Media New media New comments Search media.

Problem with LM311 voltage comparator

Selectors Simulators and Models. Key Features Output current: Introduction to comparators, their parameters and basic applications. Note that many of the circuits in the app. Thanks for your patience. Hope l,311 helps Sandyw.

Buy Direct Add to cart. For a better experience, please enable JavaScript in your browser before proceeding. Forums New posts Search forums. Thread starter Strablan Start date Dec 16, Distributor Name Region Stock Min. Product is in volume production. ST Code of Conduct Blog.

I have attached a diagram of what I am trying to do, hopefully you will be able to see where I am going wrong Again, many thanks.

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

Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets. Many thanks for any help:? Support Center Video Center. Cant get pin 7 to turn on though.