LM311 APPLICATION NOTE PDF

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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Key Features Output current: In your case because of the resistor in the line for pin 3 it goes high turning of the LED.

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

You must log in or register to reply here. Strablan New Member Dec 18, Not Recommended for New Design.

Here are some other links for more info: Replacement Transformer Started by ncag Today qpplication 7: Product is in design feasibility stage. Strablan New Member Dec 24, Problem with LM voltage comparator.

ST Analog cards High-performance operational amplifiers and comparators, the best choice for longevity, robustness and performance. You need to reduce the gain of the circuit using Feedback. And that the 47k resistor by led needs to be replaced by one of approx ohms? For a better experience, please enable JavaScript in your browser before proceeding.

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Support Center Complete list and gateway to support services and resource pools. Limited Engineering samples available Preview: Media Subscription Media Contacts. Computers and Peripherals Data Center. Forums New posts Search forums. Strablan New Member Dec 19, Note that many of the circuits in the app.

Product is under characterization. IoT for Smart Things. Thanks for your patience.

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LM – Voltage comparator with strobe – STMicroelectronics

Product is in design stage Target: Replacing applcation 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at Datasheets, Manuals or Parts. Product is in volume production Evaluation: Please excuse my ignorance but I really am a complete newbie on all of this. Support Center Video Center. Does the voltage for the reference input pin pin 2 or 3 need to be approximately half that supplied to nte 8?

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LM output Your problem is that the LM has an open loop gain of approx. Pioneer Elite vsxtx bote damage no power Started by Watin 53 minutes ago Replies: To participate you need to register. 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?

Problem with LM311 voltage comparator

Have hooked it up as follows: Please contact our sales support for information on specific devices. Cant get pin 7 to turn on though.

Many thanks for any help:? They are also designed to operate over a wide range of supply voltages: I have attached a diagram of what Aplication am trying to do, hopefully you will be able to see where I am going wrong Again, many thanks.