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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Strablan New Member Dec 24, What does precision mean for an op amp?

And that the 47k resistor by led needs to be replaced by one of approx ohms? IoT for Smart Things. Have hooked it up as follows: Communications Equipment, Computers and Peripherals. Product is in volume production Evaluation: Comparator output Like many comparators, the LM has an open collector output.

Product is in design stage Target: Pioneer Elite vsxtx water damage no power Started by Watin 53 minutes ago Replies: Product is in volume production.

Problem with LM311 voltage comparator

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? In your case because of the resistor in the line for pin 3 it goes high turning of the LED. Thanks for your patience. ST Analog cards High-performance operational applicaiton and comparators, the best choice for longevity, robustness and performance.


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Please excuse my ignorance but I really am a complete newbie on all of this. Computers and Peripherals Data Center.

Support Center Complete list and gateway to support services and resource pools. Product is in volume production 0. Datasheets, Manuals or Parts. Cant get pin 7 to turn on though. Strablan New Member Dec npte, Not Recommended for New Design. Limited Engineering samples available Preview: No availability reported, please contact our Sales office.

For a better experience, please enable JavaScript in your browser before proceeding. Selectors Simulators and Models. Buy Direct Add to cart. LM output Your problem is that the LM has an open loop gain of approx. Have a look at any textbook on negative feedback or search the web. Welcome to our site!

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

Did you tie a pullup resistor try 10K to Applicarion on pin 7? Product is in volume production only to support customers ongoing production. Hope this helps Sandyw. This means that the output will swing to one or the other supply rails with a miniscule input level approx. Menu Products Explore our product portfolio. You need to reduce the gain of the circuit using Feedback. Please contact our sales support for information on specific devices.


Thread starter Strablan Start date Dec 16, Introduction to comparators, their parameters and basic applications. Media New media New comments Search media. You must log in or register to reply here. No applicztion taken to produce Proposal: To participate you need to register.

LM – Voltage comparator with strobe – STMicroelectronics

Strablan New Member Dec 18, Key Features Output current: Here are some other links for more info: Marketing proposal for customer feedback. Replacement Transformer Started by ncag Today at 7: Distributor Name Region Stock Min.

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