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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This is important as the input signal Datsaheet cross this zero volt threshold:!: It only can be varying within V output for 40Hz input. The two basic configurations offered include an 8-pin device.
As I want to know the attached circuit is correct as what you mention? This feature allows either datashheet ground or supply referred load of up to 50 mA. Other than that you said the circuit worked, just gave the wrong rangethe diagram you posted is correct, the vaues should be OK.
Stick with the LM I’m sure the Xatasheet is capable of doing what you want, it just needs some component changes to set the range.
As i read from d’sheet it can’t do this. Why not connect the output to a transistor base.
But I still cannot be sucessful to make a larger voltage output range. Klaus New Member Jul 3, I have followed the datasheet of LMN to design a frequency to voltage circuit.
Adding 2 more ics to do the trick is not an option. So, what can I do.
LM2907N Datasheet PDF
Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets. But I need 10khz to 40khz give me a 0 volt – Vcc variation. Lm907n i want to know the accuracy of this circuit? This version is well suited for single speed or frequency switching or fully buffered frequency to voltage conversion applications. Can any datashfet give me a design which can achive a higher range of output, e.
I am before use the below circuit and it work. That range can give me a larger range to have a more accuracy signal to do speed control. Replacement Transformer Started by ncag 47 minutes ago Replies: Both of these configurations are available with an active. Now I understand the chip gives you a 0volts to Vcc variation daatsheet 0 Hz to fmax. To do better requires more info – supply voltage, rest of circuit components?
LMN Datasheet(PDF) – National Semiconductor (TI)
National Semiconductor – datasheet pdf
Thank you for your reply. I’m trying to sense the freq of a square wave from 10KHz – 40KHz range. Also, I need to be very conservative wrt adding components.
Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at Don’t worry about calculating the R1,C1,C2 values. Sorry, can you give me any advice of which type can do such thing? To participate you daatsheet to register. I don’t know why.