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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Cant get pin 7 to turn on though. Product is in volume production only to support customers ongoing production. To participate you need to register.

They are also designed to operate over a wide range of supply voltages: I have attached a diagram of what I am trying to do, hopefully you will be able to lm3311 where I am going wrong Again, many thanks. Welcome to our site! Have a look at any textbook on negative feedback or search the web. Thanks for your patience.

Forums New posts Search forums. Comparator output Like many comparators, the LM has an open collector output. Datasheets, Manuals or Parts.

Replacement Transformer Started by ncag Today at 7: Introduction to comparators, their parameters and basic applications.


Key Features Output current: Not Recommended for New Design. Just checking I understand your comments correctly, Does the voltage for the reference applifation pin pin 2 or 3 need to be approximately half that supplied to pin 8? Please contact our sales support for information on specific devices.

No commitment taken to produce Proposal: In your case because of the resistor in the line for pin 3 it goes high turning of not LED. Product is in design feasibility stage. Here are some other links for more info: Nofe terms and conditions.

Have hooked it up as follows: Product is in volume production. Hope this helps Sandyw. By continuing to use this site, you are consenting to our use of cookies.

LM – Voltage comparator with strobe – STMicroelectronics

Is there something obvious about this chip that I am not aware of that would be the problem? Click here to register now. ST Code of Conduct Blog.

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Problem with LM311 voltage comparator

LM output Your problem is that the LM has an open loop gain of approx. You must log in or register to reply here. Please excuse my ignorance but I really am a complete newbie on all of this. You need to reduce the gain of the circuit using Feedback. Product is in volume production 0. Communications Equipment, Computers and Peripherals.

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Thread starter Strablan Start date Dec 16, Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets. IoT for Smart Things.

Strablan New Member Dec 18, Strablan New Member Dec 16, Did you tie a pullup resistor try 10K to VCC on pin 7? Problem with LM voltage comparator. Note that many of the circuits in the app. Articles Top Articles Search resources. Limited Engineering samples available Preview: No availability reported, please contact our Sales office.

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

Strablan New Member Dec 19, Menu Products Explore our product portfolio. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at Who We Are Management. What does precision mean for an op amp? Buy Direct Add to cart.