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Changed layout of National Data Sheet to TI format. LevelC-UNLIM. to LMM. LMN. ACTIVE. PDIP. NFF. TBD. Call TI. Call TI. LMN Datasheet, LMN National Semiconductor Frequency to Voltage Converter Datasheet, buy LMN. LMN LM – Frequency to Voltage Converter, Package: Soic Narrow, Pin Nb= The LM Details, datasheet, quote on part number: LMN.

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It only can be varying within V output for 40Hz input. With this version datashset tachometer input may be floated and the op amp becomes suitable for active filter conditioning of the tachom- eter output. Adding 2 more ics to do the trick is not an option.

But I still cannot be sucessful to make a larger voltage output range.

National Semiconductor

Media New media New comments Search media. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at Frequency to Voltage Converter.

Or any other methods can achieve the task? I’m trying to sense the freq of a square wave from 10KHz – 40KHz range. As I want to know the attached circuit is correct as what you mention? Thank you a datashedt. Any suggestions on how to implement that?


LMN Datasheet(PDF) – National Semiconductor (TI)

I have made the circuit but seem not work. Potentiometer Questions Started by norbss Yesterday at The tachom- eter uses a charge pump technique and offers frequency doubling for low ripple, full input protection in two versions LM, LM and its output swings to ground for a zero frequency input. Why not connect the output to a transistor base. This op-amp works as a sort of ‘trip amp’, whenever the input on pin 1 exceeds the voltage on pin 8 0vthe output to the charge pump will go high, being low at all other times.

LMN Datasheet(PDF) – TI store

By continuing to use this site, you are consenting to our use of cookies. Welcome to our site! The more versatile configurations provide differential ta- chometer input and uncommitted op amp inputs.

The two basic configurations offered include an 8-pin device. Can any professional give me a design which can achive a higher range of output, e.

LM2907N Datasheet PDF

To participate you need to register. Thank you for your reply. The more versatile configurations provide differential ta. Both of these configurations are available with an active. BUT As the circuit will lose some voltage it will stop short of 12v out.


Datasheets, Manuals or Parts. Stick with the LM I’m sure the LM is capable of doing what you want, it just needs some component changes to set the range. So, can you give me any advice about the accuracy of the circuit? To datasheett better requires more info – supply voltage, rest of circuit components?

The regulator clamps the supply such that stable frequency to voltage and frequency to current operations are possible with any supply voltage and a suitable resistor. For a better experience, please enable JavaScript in your browser before proceeding. Articles Top Articles Search resources. Sorry, can you give me any advice of which type can do such thing? That range can give me a larger range to have a more accuracy signal to do speed control.