The LF is a low cost high speed JFET input operational amplifier with an internally trimmed input offset voltage. (BI-FET IITM technology) The device requires. ABSOLUTE MAXIMUM RATINGS. Symbol. Parameter. LF LF LF Unit. VCC. Supply voltage – note 1). 1. . This datasheet has been download from. LFN from STMICROELECTRONICS >> Specification: Operational Amplifier, Single, 1 Amplifier, 4 MHz, 16 V/┬Ás, Technical Datasheet: LFN Datasheet.

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I think the circuit is supposed to give a hum when a nearby cell phone is ringing? In much the same way that logic circuits are designed, modern CAD packages automatically hook the power supply pins to the appropriate voltages. To participate you need to register. Similar opamps are available.

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I don’t know if other similar opamps like the TL will overload the same. The data sheet has all the information that you require. It is a level of detail that is not needed once you look at the datasheet. This site uses cookies dataasheet help personalise content, tailor your experience and to keep you logged in if you register.


Then it uses the strong UHF lc351n microwave signal transmitted to overload the input of the opamp. So I guess what I am saying is look at the datasheet, then come back with more questions. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at Ordinary opamps cannot drive low impedance headphones.

I have the pin out but I guess what I’m trying to ask is what pins in the schematic are in use? I was given this circuit and there is a lf ic chip that is shown as a triangle, I’m not sure how to use the chip or what’s connected to where, I datasheeet never taught how to read this type of schematic. Potentiometer Questions Started by norbss Yesterday at Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets.

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Did I mention you need to look at the datasheet. Forums New posts Search forums. Datasheets, Manuals or Parts. The TL opamp has the same pin numbers. The schematics I’m familiar with for ics are like this one. The pinout is in the datasheet.


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The LF opamp is old and is not made anymore. I usually go to datasheet sites but looking for LF in Google links to its datasheet that shows its pin numbers and a picture of its layout.

Anyone know what pins I should use? The pin numbers assigned to the output, the non-inverting input marked with a plus sign, and the non-inverting input marked with a minus sign are unabiguous.

lf351 pins to use?

Not sure if it works not yet built it, so I’d want something with a low overload By continuing to use this site, you are consenting to our use of cookies. Media New media New comments Search media.

Thread starter grendal Start date May 6,