Top View. Order Number LMN LMM LMN or LMN. See NS Package Number M14A or N14A. C National Semiconductor Corporation. LMN. LMN. MCP. TA = 0° to +70°C. TA = – 40° to +85°C. SO– Plastic DIP on the individual data sheets and the Selector Guide. All of the. LMN Datasheet, LMN National Semiconductor Quad Amplifier Datasheet, buy LMN.

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It operates on the difference in input current rather than the difference in input voltages. Datasheets, Manuals or Parts.

Quadruple Operational Amplifier

The LM is a high speed version. Hi, The LM was a very different kind of op amp.

For one thing, the input bias would be different. That’s what a specific timer of mine does.

Maybe this was a very old design. The LM is not a normal OP amp. I am surprised to see them in circuits today. Potentiometer Questions Started by norbss Yesterday at Forums New posts Search forums.

National Semiconductor – datasheet pdf

The feedback resistor R3 is then: Thread starter Neil Groves Start date Nov 7, One of the cool things about the LM is that the input voltage can exceed the supply rails without a lot of fancy stuff.


It would be possible however to change the design a little to use a more typical op amp. The circuit uses a single polarity supply so grounding the non-inverting input of the opamps would cause their datsaheet to be grounded and they would work like rectifiers.

This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Hi, I’d be careful about using an AD for a replacement.

Sierra IC Inc

From what i read, dataheet NTE is a replacement. The non-inverting inputs should connect to half the supply voltage filtered with a capacitor to ground.

Articles L3900n Articles Search resources. Hi again, Yeah i remember these from back in the ‘s. By continuing to use this site, you are consenting to our use of cookies. Is an LM a good darasheet for an LM? Redesigning them for other op amps probably wouldnt be much of a problem really. Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets. The Q of each bandpass would be a little higher though so you’d have to try it and modify the values slightly if it doesnt seem to work the way you want it to.


LMN Datasheet Texas Instruments pdf data sheet FREE from

Back in the 80’s i did. Neil Groves New Member Nov 7, Click here to register now.

Neil Groves New Member Nov 8, Replacement Lk3900n Started by ncag 12 minutes ago Replies: I probably have few AD’s around, but i dont think i have any LM’s around anymore. Roff Well-Known Member Nov 8, It can not be replaced with a LM op amp. I couldn’t locate one of the latter so relayed my circuit datahseet use an LM instead, well it doesn’t work, i checked my output from the first stage and it sits at 10V although the input is a 4V p-p sine wave from my generator, i am building the circuit here: For a better experience, please enable JavaScript in your browser before proceeding.

It’s very different than the LM I seem to have blown out on at least two things here, i’m gonna scrap that project, build something else i need then come back to it using a different circuit.