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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Comparator output Like many comparators, the LM has an open collector output. Product is in volume production. No availability reported, please contact our Sales office.

Problem with LM311 voltage comparator

ST Analog cards High-performance operational amplifiers and comparators, the best choice for longevity, robustness and performance. Key Features Output current: Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at Product is under characterization. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.


Menu Products Explore our product portfolio. I have attached a diagram of what I am trying to do, hopefully you will be able to see applicwtion I am going wrong Again, many thanks.

For a better experience, please enable JavaScript in your browser before proceeding. In your case because of the resistor in the line for pin 3 it goes high turning of the LED. Strablan New Member Dec 24, Support Center Complete list and gateway to support services not resource pools.

This means that the output will swing to one or the other supply rails with a miniscule input level approx. Introduction to comparators, their parameters and basic applications. To participate you need to register.

Limited Engineering samples available Preview: Product is in volume production Evaluation: You need to reduce the gain of the circuit using Feedback.

LM – Voltage comparator with strobe – STMicroelectronics

Support Hote Video Center. Thanks for your patience. Welcome to our site! No commitment taken to design or produce NRND: No commitment taken to produce Proposal: Selectors Simulators and Models.

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? They are also designed to operate over a applicqtion range of supply voltages: Did you tie a pullup resistor try 10K to VCC on pin 7? Articles Top Articles Search resources.


Hope this helps Sandyw. Note that many of the circuits in the app. IoT for Smart Things.

applicatuon And that the 47k resistor by led needs to be replaced by one of approx ohms? Here are some other links for more info: Computers and Peripherals Data Center.

Does the voltage for the reference input pin pin 2 or 3 need to be approximately half that supplied to pin 8? Buy Direct Add to cart. Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets.