Order Number LMN or LMAN . Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and. LMN datasheet, LMN circuit, LMN data sheet: NSC – LM/LMA Low Noise Dual Preamplifier,alldatasheet, datasheet, Datasheet search site. LMN Datasheet, LMN PDF, LMN Data sheet, LMN manual, LMN pdf, LMN, datenblatt, Electronics LMN, alldatasheet, free, datasheet.

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I want to do a balancing circuit for the direct outs. Go to Support forums. Ask a new question Ask a new question Cancel. Most of the typical applications shown on the datasheet can be duplicated with “normal” op-amps, but DC biasing will need to be added. Content on this site may contain or be subject to specific guidelines or limitations on use. TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose, title and non-infringement of any third party intellectual property right.

I haven’t seen many designs using it?

Let’s look the data sheet, if it looks right there it’s time to breadboard. Flu got me pretty seriously! Some unbalance at input impedance but nothing to be alarmed for your application, as input device may not be so cool.

National Semiconductor – datasheet pdf

If I don’t know how it works, I prefer don’t turn it on. This is an audio circuit. We are glad that we were able to resolve this issue, and will now proceed to close this thread. Should I use it? Any suggestions would be appreciated. It is made to drive one 10K volume control datasneet the same box, not long wires, multiple loads, etc. No license, either express or implied, by estoppel or otherwise, is granted by TI. Thanks for lj387n wise replies! JohnRoberts on September 06, Nov 27, Mentions Tags More Cancel.

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Is it noisy, frequency impaired or something like that? I’m an enthusiast without proper background education in electronics so I’m chewing this slowly. All content and materials on this site are provided “as is”. It was an OK part for back then, but I eatasheet surprised they still sell them.

Hi, I started planning a mod on my old console and I wanted to find an IC opamp that can run on a single supply voltage This reduces bias resistor noise contribution, allows easy single supply operation with fewer components, and provides excellent PSRR. I’ve seen wired things with this though, but nobody says so in the data sheet, for example, lower offset working input voltage close to lower rail than at the dataseet point, but that’s not a good dwtasheet, I would prefer having all the time the worst case offset in most applications, at least than this, this implies a huge unlinearity and baaad CMRR!

This thread has been locked. THD at 60dB gain 0. Ask a related question What is a related question? If you have further questions related to this thread, you may click “Ask a lm87n question” below.

LM387N PDF Datasheet浏览和下载

I would suggest using something more modern, this part was designed to operate at high gain not stable below 10x with small input voltages, and nominal input voltage DC biased internally. Menu Search through millions of questions and answers User. The LMN has been obsoleted. Ask a related question Ask a new question.

TI is a global semiconductor design and manufacturing company. Then, always, in “low distortion” audio applications “” because we are not trying to archive 0.

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I never understood quite well the single supply thing on opamps, usually your opamps don’t refer anything to ground, I mean, there isn’t any pin from it connected to ground, so it knows if it has a dual or single rails. However, there must be a DC path between the output and the negative input to maintain DC feedback. Use of the information on this site may require a license from a third party, or a license from TI.


Due to the holidays, responses may be delayed. LM is a penny easier because it has a bias voltage built-in, datashret you can set the output around half-supply. It also has sad output power. Sorry for not replying back after I started this thread. There are other things that usually are associated with it which is good to appear on the data sheet, for example input beyond the rails or rail to rail output, or one rail inside or close to the output range which are useful to know, but single supply, dual supply?

The main concern is that the circuit itself should need no changing with the replacement.

The newly created question will be automatically linked to this question. Agree that ‘ should be your go-to in this case.

The LM has a different pin-out not normally used with dual op-amps – so any board layouts would have to change. TI, its suppliers and providers of content reserve the right to make corrections, deletions, modifications, enhancements, improvements and other changes to the content and materials, its products, programs and services at any time or to move or discontinue any content, products, programs, or services without notice.

Trademarks Privacy Policy Terms of Use. Everything you listen to has been through multiple ‘s. Something similar to what Audiox did with NE If datasneet have a related question, please click the ” Ask a related question ” button in the top right corner.

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