Noise level is basically the same in lm4562 and ne5532, while opa24 is 2 db weaker. I want to upgrade my solo and i already love the standard lm4562 sound so moving to. Can anyone tell me where i can get hold of a metal can lm4562 and heatsink. Ad827 high speed, low power dual op amp data sheet rev. Compared to most of the standard operational amplifiers, such as the 1458, it shows better noise performance, improved output.
The ne5532 is a internally compensated dual low noise opamp. Combining advanced leadingedge process technology with. Apr 20, 2014 gday all, last night i was about to place an online order for some ne5532 op amps from my usual online supplier but i find that they list several versions of the ne5532 ne5532ap, ne5532p and probably others. Ne5532 datasheet dual lownoise operational amplifier ti, ne5532 pdf, ne5532 pinout, ne5532 manual, ne5532 schematic, ne5532 equivalent. The njm4580 is a dual operational amplifier, specially designed for improving the tone control, which is most suitable for the audio.
The specs all look the same but there is an appreciable difference in price between these two items. For fet, ive found the ad825 sounds quite nice better than opa24 and opa2604. Diy audio projects forum lm4562 phono pre amp circuit board. At this point, i will probably go with the 5532s unless someone else has thoughts. Sensitivity of opamps to air coupled em fields, especially of. Our supreme sound opamp, however, is specifically designed to. Cant wait to get started, i really enjoyed the first amp100 upgrade i did 23 months ago. In general audio opamps are a very narrow class of all opamps. Scillc reserves the right to make changes without further notice to any products herein. The ne5532, ne5532a, sa5532, and sa5532a devices have a 10mhz unitygain bandwidth.
If you use a ne5532 with an input resistance anywhere down to 30kohm, you will load the cartridge by 18kohm not anywhere near the nominal 47kohm. Sep 15, 2016 ne5532 datasheet dual lownoise operational amplifier ti, ne5532 pdf, ne5532 pinout, ne5532 manual, ne5532 schematic, ne5532 equivalent. I my get a holder for the preamp, and try a few of his suggested ops, just to try rolling my own. Lm4562 datasheet, lm4562 datasheets, lm4562 pdf, lm4562 circuit. Snas326k august 2006revised december 20 electrical characteristics for the lm4562 12 the specifications apply for vs 15v, rl 2k. Opa627 is a very expensive jfet input opamp with low noise and low ditortion. Lm4562, lme, lme49720 startup behavior pro audio design forum. Here are the favorites plotted vs frequency also taking the output directly from the gain stage op amp under test. Lm4562 datasheetpdf 5 page national semiconductor ti. Alternate opamp to ti lm4562 techtalk speaker building. Lm4562 january 26, 2010 dual high performance, high fidelity audio operational amplifier general description the lm4562 is part of the ultralow distortion, low noise, high.
Compared to most of the standard operational amplifiers,such as the 1458, it shows better noise performance, improved output drive capability and considerably higher small. Audio performance levels have risen dramatically in the last 20 years. The lm4562 is a high speed op amp with excellent phase margin and stability. Description the 5532 is a dual highperformance low noise. Transients were still good but the hf levels seemed to be a bit rounded off. Ti lm4562 dual highperformance, highfidelity audio operational amplifier,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated. Therefore if the source impedance is very low specd at 20 ohms, the ne5532 is 3 times quieter. Compared to most of the standard operational amplifiers,such as the 1458, it shows better noise performance, improved output drive capability and considerably higher smallsignal and power bandwidths. Scillc makes no warranty, representation or guarantee regarding.
Apr 22, 2014 gday all, well the lm4562 op amps i had ordered arrived by courier a little earlier and frankly i am a little disappointed with it compared to the ne5532 it replaced. Snas326i august 2006 revised january 2010 lm4562 dual high performance, high fidelity audio operational amplifier check for samples. The lm4562 is a highspeed op amp with excellent phase margin and stability. Ne5532 datasheet, ne5532 pdf, ne5532 data sheet, ne5532 manual, ne5532 pdf, ne5532, datenblatt, electronics ne5532, alldatasheet, free, datasheet, datasheets, data. Replacing lm358 with ne5532 electronics forum circuits. The chip companies dont help the perception implying some of their op amps offer better sound. Lm4562 dual high performance, high fidelity audio operational amplifier general description the lm4562 is part of the ultralow distortion, low noise, high slew rate operational amplifier series optimized and fully specified for high performance, high fidelity applications.
Lets just start with the fact that the lm4562 is a brilliant op amp, so i am not. Nationals lm4562 and lme highperformance audio op amps offer some of the lowest distortion specifications in the industry, much better than old chips like the ne5532 and tl072. If youre not sure if amp belongs to this class download data sheet in pdf and check for thd vs frequency and thd vs output voltage charts. Ne5532 d ne5532, sa5532, se5532, ne5532a, se5532a internally compensated dual low noise operational amplifier the 5532 is a dual highperformance low noise operational amplifier. Opamp test tl072 vs 24 vs ne5532n vs ne5532p vs 2604. Lm is the best overall, it sounds the most balanced, very naturalsmoothclean, doesnt exaggerate anything but can sound lacking in impact. Burr brown opa 2143 vs njm2068 audiogon discussion forum.
The bipolar transistor inputs of the ne5532 draw input current and are completely different from the jfet inputs of the tl072 that dont have any input current. Description the 5532 is a dual highperformance low noise operational amplifier. Our supreme sound opamp, however, is specifically designed to optimize audio performance. Compared to most of the standard operational amplifiers, such as the. The lm4562 and its siblings, in any headphone or dac application i can. Ne5532, ne5532a, sa5532, sa5532a slos075jnovember 1979revised january 2015 ne5532x, sa5532x dual lownoise operational amplifiers 1 features 3 description the ne5532, ne5532a, sa5532, and sa5532a 1 equivalent input noise voltage. Audio opamps, fact, no myths and thd measurement results table. Ne5532 may be used as a substitute with slightly increased noise and reduced bandwidth at high gain. It is a pity that so much knowledge has disappeared over the past decade, as the baby boomers have retired, or passed away.
Audio circuits using the ne5532 34 an142 1984 oct 2 august 1988 rev. Lm4562 pdf, lm4562 description, lm4562 datasheets, lm4562. And8177d audio circuits using the ne55324 audio circuits using the ne553234 the following will explain some of on semiconductors low noise op amps and show their use in some audio applications. Ne5532 was very good in lf and midrange performance. Lm4562 datasheet, lm4562 pdf, lm4562 data sheet, lm4562 manual, lm4562 pdf, lm4562, datenblatt, electronics lm4562, alldatasheet, free, datasheet, datasheets, data. This is often overlooked in audio design where generalpurpose icbased opamps are widely used. Its a 436 page monumental effort in the form of a huge 35 mb pdf. Ne5532 internally compensated dual low noise operational. It may be ever so slightly quieter than the ne5532 but not by much, in all honesty. The high small signal and power bandwidth provides superior performance in high quality amp, all control circuits, and telephone applications. Sensitivity of opamps to air coupled em fields, especially of the lm4562lme497xy family this has been and will be a long story that started back in the year 2008 when i started with intensive testing of various opamps concerning their susceptibility to electromagnetic fields in the air or. Lm4562 dual highperformance, highfidelity audio operational.
Lm4562 dual highperformance, highfidelity audio operational amplifier. Sensitivity of opamps to air coupled em fields, especially of the. Benchmark has output cap since ne5532 has pretty bad dc offset and drift. Designed to optimize audio performance no matter the industry specialized tooling is required to optimize performance. What are the good general purpose audio opamps these days. Lm4562 datasheet pdf 5 page national semiconductor. Lm6171 and ne5532 were acceptable, while lm4562 and. Lm4562 dual high performance, high fidelity audio operational. Results ne5532 with rl1k1 and different output levels vs frequency ne5532 with rl520r and different output levels vs frequency audio opamps, fact, myths and.
Even worse, the bjt input offset and bias currents in the ne5532 can be up into the ua range. The last audio op amps were designed over 20 years ago. I dont have time to even begin to detail the mistakes in that blog, except to say that in the 1980s i designed a number of very high fidelity discrete component hifi amplifiers which did sound better than opamps at the time. Tl072 was very good equal or better than 4562 in some respects. Gday all, last night i was about to place an online order for some ne5532 op amps from my usual online supplier but i find that they list several versions of the ne5532 ne5532ap, ne5532p and probably others. Audiophile replacement for the ne5532 who can handle. Audio opamps, fact, no myths and thd measurement results.
Apr 20, 2005 the bipolar transistor inputs of the ne5532 draw input current and are completely different from the jfet inputs of the tl072 that dont have any input current. The famous ne5532 and opa24 are also very good, but my ears prefer it, specially regarding channel separation. Opamp test tl072 vs 24 vs ne5532n vs ne5532p vs 2604 ada. Ne5532x, sa5532x dual lownoise operational amplifiers. Alternate opamp to ti lm4562 great read, so thanks for the links. The ne5532 is a dual highperformance low noise operational amplifier.
Ive compared the ne5532, njm4556 and lm4562 so far. Posts by kijanki burr brown opa 2143 vs njm2068 audiogon. Lm4562dual high performance, high fidelity audio operationalamplifiergeneral descriptionthe lm4562 is part of the ultralow distortion, low noise, highslew rate operational amplifier series optimized and fullyspecified for high performance, high fidelity applications. Opa 24 is good, and even if i dont really like ics for audio in general way better. Ne5532 datasheet dual lownoise operational amplifier ti. Combining advanced leadingedge process technology withstateoftheart circuit design, the lm4562 audio operationalamplifiers. Gday all, well the lm4562 op amps i had ordered arrived by courier a little earlier and frankly i am a little disappointed with it compared to the ne5532 it replaced. Get a 18v to 24v wallwart and a 78ls15 79ls15, or if you decide to go for the standard regulators, put some load on them, as the lme has a very low power comsuption, and the regulators need more load. Ne5532, sa5532, se5532, ne5532a, se5532a internally. It is found by taking the ratio of the change in input offset voltage to. Results ne5532 with rl1k1 and different output levels vs frequency ne5532 with rl520r and different output levels vs frequency audio opamps, fact, myths and thd measurement resultsrev. Again, i didnt bother with the expensive opa2227 or lm4562 as they just further blurred everything together with the residual of the analyzer. Jan 03, 2020 sensitivity of opamps to air coupled em fields, especially of the lm4562 lme497xy family this has been and will be a long story that started back in the year 2008 when i started with intensive testing of various opamps concerning their susceptibility to electromagnetic fields in the air or. Get a 18v to 24v wallwart and a 78ls15 79ls15, or if you decide to go for the standard regulators, put some load on them, as the lme has a very low.
Ne5532 datasheet dual low noise operational amplifier. Ne5532d ne5532, sa5532, se5532, ne5532a, se5532a internally compensated dual low noise operational amplifier the 5532 is a dual highperformance low noise operational amplifier. Lm4562, lm4562habd, lm4562mabd 1features applications 2 easily drives 600. We recently communicated with lead designer matsuro koterasawa and asked him about the development of the part. National semiconductor won the product of the year award for its lm4562 dual audio op amp. Many gear manufactures tout op amp brands and part numbers in their marketing literature. Audio circuits using the ne553234 an142 1984 oct 2 august 1988 rev. Is the 4562 the right amp to do this with, is the first question, and the.
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