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I have heard some versions of the are a few dB better than others.

He datadheet the much less expensive outperformed it in most every way. In a Cmoy, or other application, where the op amp is driving headphones directly nearly all of them are working under stressful conditions.

The O2 is a low impedance application and the current noise will likely dominate but both have to be considered along with the Johnson noise. Stick to the tires made for sports cars.

Datasheet archive on 20-11-2006

Unfortunately, as you mentioned, these sorts of ideas never rest in peace no matter how much evidence stacks up against them.

NwAvGuy March 24, at 7: Vout a9 xfmr spice llc datasheer spice model Text: Ideally you want to know the THD at various gains, versus frequency, into various loads. And, in reality, the voltage and current specs tend to be mutually exclusive—i.


This article is all about measuring the results and putting some facts around the differences between op amps in a typical audio application.

You can plainly see the entire noise floor is about 3 dB higher than the graph above: So it really doesn’t matter much.

lm spice datasheet & applicatoin notes – Datasheet Archive

Furthermore, the paper analyzes the influence of thewhen we talked about reluctance: Some of the differences heard could be high frequency instability. I suspect only the TL would have stood out.

It looks great on paper, but ultimately, I’ll put a paralleled NJM up against it in a blind test any day. The default NJM is l,4580 at gains of both 2.

Shielding just the die is like putting a postage stamp on a badly leaking roof. And a lot of audiophile designs have poor PSRR as they use discrete circuits or op amps not designed for audio. The resistor also tends to increase distortion into low impedance loads as it’s creating relatively massive feedback error signals under those conditions. More on this below. Several things are important to know about the dScope.

None of those op amps are shown below i. The faster the slew rate the better. If you include the out of band stuff, the entire noise floor rises and masks the true audio performance below 20 Khz. Try Findchips PRO for lm spice. The reason you don’t want to go smaller with the resistors is differences in DC offset voltage which varies between samples of op amps create a constant DC current between the op amps.


Some designs may require some series output resistance to meet all these requirements. But of course this is a logical fallacy appeal to authority to some extent so I was wondering what you think. The turntable has rather massive delays with respect to current inputs to the motor vs speed due to the mass of the platter.

This is usually compensated for by adding the correct value of capacitance in parallel with the feedback resistors from output to the negative input. The result might have poor transient response as it’s now under-compensated.

NJM Datasheet pdf – Dual Operational Amplifier – New Japan Radio

Comments promoting commercial interests will not be approved and may be reported as SPAM. The TL, on the other hand, is obviously having a hard time as it did in the earlier sweep:.

Some of the better audio op amps are datasheett into ohms.

It also has very high distortion into 32 ohms–especially at high frequencies–although at least some of that is the OPA “third channel”.