The LM series are general purpose operational amplifi- ers which feature improved performance over industry stan- dards like the LM They are direct. LMJ datasheet, LMJ pdf, LMJ data sheet, datasheet, data sheet, pdf, National Semiconductor, Operational Amplifier. Order Number LMJ, LMJ/, LMCN. See NS Package Number J08A , M08A or N08E. Ceramic Flatpak. Order Number LMW/

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Home Questions Tags Users Unanswered. Somehow I got the project done perfectly without LMs. See the How to Ask page for help clarifying this question. I assumed that it’s not possible for 6 chips to be burnt like that Wrong assumption. Depending where your shop sourced the components, then these are some of the possibilities you should consider.

Was just wondering why CN didn’t work when CP did. Accepted answer provided a better insight! So the difference could also be described as most? Is it an analog circuit?

National Semiconductor

That fact that one heats up and the other works suggests the pinouts are different. Don’t use it like an op amp. When I google, for both ICs, it’s the same datasheet. Just asked this q to get to know what this N and Daatasheet are! It is an audio power amplifier.

If this question can be reworded to fit the rules in the help centerplease edit the question. Carefully read the datasheet and understand its limitations. However I can answer the main question and give a suggestion for a possible cause of your problem:.


Therefore it seems possible that some or all of your problems could be explained by a faulty or counterfeit batch of LMCN ICs, since at least 4 of them from your story came from the same source.

LMJ Datasheet pdf – Operational Amplifier – National Semiconductor

But my guess is that they are electrically identical. So I tried creating a basic inverting amplifier using this IC and the oscilloscope showed the same input signal like waveform as the datashest signal. Other packaging type letters are also used, but these can all vary between manufacturers. I assumed that it’s not possible for 6 chips to be burnt like that One of my friends had a LMCP IC and I plugged into datssheet same proto board with the same pin configuration and it worked.

Operational Amplifier

Can’t figure out what you are talking about. Unfortunately some parts of your project are datawheet. Just to let you know, this description of your project doesn’t make sense e. Then I tried a non inverting amplifier but that didn’t work too. Do these last letters N and P mean anything like p type or n type?

Please clarify your specific problem or add additional details to highlight exactly what you need. Shops can get faulty batches of components, or perhaps counterfeit etc.

Where do you see the difference now? I assumed that it’s not possible for 6 chips to be burnt like that.


What is the RS, then? I’m having an analog project where I have to amplify a weak signal coming out of a photo transistor. Some other shop sells CP and they work. Should have asked ‘What is the difference between letter N and P at the end of LMC’ instead of giving out details of the project to create a background to the question which made people drove outta their minds: The LM is not an op amp.

The project description was to create a background. Addition to that, the IC seems to be heating up a lot.

LMJ Datasheet catalog

Blogger 1 We can only help when sufficient information is presented; draw a circuit diagram – the small circuit widget in the edit controls will open a schematic editor. Also the is ancient You better use a TL or TL, lm741m those are old but much more suited to many of today’s applications. Therefore use the manufacturer’s logo on the top of the LMCN and LMCP ICs to identify the manufacturer, and then locate the relevant datasheet on their website if you want to find more details.

Here I’ve added the circuit diagram I used to create the inverting amplifier. Ebay and similar sources outside dataseet official manufacturer’s supply chain, have a higher chance of counterfeit components.

In this context, no. They sell only CNs.