LMP datasheet, LMP pdf, LMP data sheet, datasheet, data sheet, pdf, BayLinear, Low power low offset voltage dual comparator. LMP Low Power, Low Offset Voltage, Dual. Description. The LM consists of two independent precision voltage comparators with an offset voltage. LMP ti LM, Dual, General Purpose Differential Comparator. These devices consist of two independent voltage comparators that are designed to operate.

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Low input offset voltage: Operation from dual supplies also is possible as long as the difference between the two supplies is 2 V to 36 V, and V CC is at least 1. The outputs can be connected to other open-collector outputs to achieve wired-AND relationships.

Update Just ordered some extra LM’s. I will keep this question open and check whether a new IC will fix the problem. The figure to the right shows the pinout for the LM comparator. Having the comparator been placed in reverse, should I expect it to be broken or is there possibly another cause to my problem?

Information on the LM393 Comparator Chip for Use in Robotic Circuits

Product is under characterization. Not Recommended for New Design. I guess that’s what you’re saying, I forgot to mention that.

If I connect a led to the output, I see a faint light with a Ohm resistor, while the same led on 5V input shows full brightness. Terry has several months of experience building electromechanical transporters. Product is in volume production.


I’m not sure of a website or application in which I can draw schematics easily, as I am a beginner to electronics, but I’m willing to sketch a schematic if that’s of use. Marketing proposal for customer feedback. These comparators also have a unique characteristic in that the input common-mode voltage range includes ground even though operated from a single power supply voltage.

Texas Instruments/TI LMP – PDF Datasheet – Analog Comparators In Stock |

Buy Direct Add to cart. IoT for Smart Things. Production processing does not necessarily include. On all other products, production. Product is in design feasibility stage. Update Made some new observations. The problem datasueet your inputs. In the OP, there was no specification of exactly what the levels were, and for all one knows the inputs were so close together eatasheet the comparator was responding to thermal drifts.

If your Arduino is reading both states, 0 and 1, your comparator may be OK. If you inspect the LM comparator, you will notice metal wires that stick out.

Support Center Video Center. If you enable the internal pull-up in the Arduino it should work as that will pull the signal high when the LM is not conducting.

No commitment taken to design or produce NRND: Production processing does not necessarily include testing of all parameters. Please contact our sales support for information on specific devices.

To add some info, originally I was using photodiodes to compare the outputs of two of them and send the result to the Arduino. No commitment taken to produce Proposal: By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Update It now works with my photodiodes, but the accuracy and responsiveness are very low.


The 1K resistor is not necessary and you could connect it directly to the Arduino but it shouldn’t hurt operation either so you can leave it there.

I’ve added a bit to the original post. I figure it must be that the IC is damaged.

LMP Texas Instruments | Ciiva

Now to get it to work with my photodiodes. Sign up using Facebook. Is it required to use all the ports on the comparator for it to work?

Om393p conform to specifications per the terms of Texas Instruments. Instead, try a circuit like this simulate this circuit — Schematic created using CircuitLab. Sign up or log in Sign up using Google. Introduction to comparators, their parameters and basic applications. Do you only have the one LMP? Email Required, but never shown.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of. What does precision mean for an op amp? Update; IC isn’t damaged.

It measures voltages at two different points and compares the difference in quantity of voltage.