LF/LF/LF/LF/LF/LF/LF JFET Input Operational Amplifiers. General Description. These are the first monolithic JFET input operational. 1 Nov LF (AV=5). • High Impedance Buffers. Extremely fast. 4. μs settling time to %. • Wideband, Low Noise, Low Drift Amplifiers. These are the first monolithic JFET input operational amplifiers to incorporate well matched, high voltage JFETs on the same chip with standard bipolar.

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Great specs and a drop in replacement for the Now here’s my problem: Assuming it can swing within 2 volts of Vcc, then yes, it should work as simulated. This technical brief explains two distinct types of electromagnetic interference. Simple Question about Current Posted by paul in forum: Sign up using Email and Password.

However, I noticed that it doesn’t seem to work below 5V at all it pulls up the positive input to some DC voltage, pf356 the signal lv356 I don’t use a decoupling cap. Post as a guest Name.

Posted by Calcifer in forum: Jun 17, 5, 1, Jul 1, 6. It won’t at all properly work on a single 3. Simple question about Flow?

A Concise Guide to Ceramic Capacitor Types This technical brief attempts to dispel some of the fog that surrounds the three-character cryptograms used to describe ceramic caps.


What country are you in? Of course the max output voltage could be limited as well. It’s been a while since I’ve messed around with this part, so I don’t remember the output voltage range. Home Questions Tags Users Unanswered. First step is to verify all of the power supply voltages, not just on the power supply board, on all of the boards. BrianDrummond – good spot!

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Lf35 there any “standard” modern rail to rail opamp with GBP around 5Mhz you could recommend? The output voltage swing will also clamp at a volt or so above the negative rail 0V in your set up so this will be another problem. The configuration shown doesn’t give a gain of 4. Post Your Answer Discard Pf356 clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

These two op-amps are much higher speed op-amps than the and require a lot of Have you checked the necessary supply voltage of the and are you applying it accordingly?

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Yes, a TL would be a reasonable replacement. With this circuit I manage to easily amplify the signal, Vcc is single supply 3. Jul 3, Devices developed in the current century have a boatload of advantages in both performance and ease of use over the first stumbling step devices. The FET op amps often have a very narrow input range which is not good enough unless the supply voltages are the full plus and minus 15, but you seem to have plus and minus 12 which llf356 too bad as long as the input does not get closer than about 4v to lv356 rail.


Apr 24, 7, 1, I am planning to use the LFN for a gain multiplier and sign inverter applicationbut i don’t know if the opamp can handle it like thebecause this one is a J-fet based opampand i am afraid it shouldn’t be used as a normal one. However, I noticed that.

Yes, my password is: Jun 30, 2. Andy aka k 10 Jul 2, 9.

Use a rail-to-rail amplifier. Nov 13, 4 0. It is a much more forgiving and well behaved op-amp.

Hi, I agree that the more recent op amps work better than the old ones.