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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Даташиты LM, LMCH, LMCN, LMH, LMJ.

The LM is not an op amp. Please clarify your specific problem or add additional details to highlight exactly what you need.

That fact that one heats up and the other works suggests the pinouts are different. Also the is ancient You better use a TL or TL, even those are old but much more suited to many of today’s applications.

LMJ Datasheet pdf – Operational Amplifier – National Semiconductor

The project description was to create a background. 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. It is an audio power amplifier. But my guess is that they are electrically identical. Ebay and similar sources outside the official manufacturer’s supply chain, have a higher chance of counterfeit components.

Shops can get faulty batches of components, or perhaps counterfeit etc. Depending where your shop sourced the components, then these are some of the possibilities you should consider.


LMC ICs sourced from the shop did not work. What is the RS, then? In this context, no. Same input signal as the output. Looking carefully at the sequence of events, there seems a possible cause. Home Questions Tags Users Unanswered. Don’t use it like an op amp. I’m having an analog project where I have to amplify a weak signal coming out of a photo transistor. Addition to that, the IC seems to be heating up a lot. Blogger 1 By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Do these last letters N and P mean anything like p type or n type? Yes, post a circuit.

Somehow I got the project done perfectly without LMs. Unfortunately some parts of your project are unclear.

Some other shop sells CP dattasheet they work. I assumed that it’s not possible for 6 chips to be burnt like that Wrong assumption. However I can answer the main question and give a suggestion for a possible cause of your problem:.

Then I tried a non inverting amplifier but that didn’t work too. Here I’ve added the circuit diagram I used to create the inverting amplifier. However I can answer the main question and give a suggestion for a possible cause of your problem: So the difference could also be described as most? Just to let you know, this description of your project doesn’t make sense e.

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. No idea what you are doing.


I assumed that it’s not possible for 6 chips to be datsheet like that. Why can’t they just answer the question asked in the heading?

Was just wondering why CN didn’t work when CP did. Just asked this q to datashset to know what this N and P are! Olin Lathrop k 30 The N and P suffix are packaging; the internal circuit will be equivalent in both parts. Other packaging type letters are also used, but these can all vary between manufacturers.

Can’t figure out what you are talking about.

National Semiconductor

So Datashert tried creating a basic inverting amplifier using this IC and the oscilloscope showed the same input signal like waveform as the output signal. 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 the same proto board with the same pin configuration and it worked. Is it an analog circuit? Should llm741j 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: