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Opa1656 vs ne5532 forum
Opa1656 vs ne5532 forum. Dec 10, 2021 · It is a dual Op-Amp package like the NE5532 with mostly the same ratings. Joel. The op amp offers a temperature range of -40°C to +125°C and is available in an 8-pin SOIC package. Feb 10, 2012 · The 5532/5534 is an excellent sounding and very durable work horse; the OPA134 series can be adequate too. Jan 28, 2018 · I had the chance to gather up a selection of opamps from my parts bin, including BB OPA2604, OPA637, AD823, LME49860, JR4556, Muses8820 and 8920, and compare them against each other along with a Burson V6 Classic (thanks to them for sending me an evaluation). I think I used TL072 in my KOT clone. No regrets with this amp whatsoever after rolling. Mar 17, 2019 · 3. 4 days ago · I'm replacing the opamps on a Rotel RC-850 phono stage. I can't really hear difference this time. Composite amplifier is one of the best application with opa1656. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. Sep 27, 2019 · The OPA1656 operates over an ultra-wide supply range of ±2. Not necessary with those plastic packages, but good practice regardless . And this preamp sounds MUCH better than Audio Research, Burmester and Accuphase preamps costing above €10. Jan 7, 2021 · So considering NE5532, LM4562 and OPA2134, OPA2134 gives best measured results in AIYIMA A07. Although NE5532 performs well, many audiophiles still want to improve the sound quality by replacing the OP chip. Apr 17, 2021 · I will show the difference between the OPA2604 vs the NE5532 OpAmp. When we developed the OPA1656, this was also a major design target for us, and the designer and myself spent quite awhile in the lab with previous CMOS audio op amps (specifically OPA1652 and OPA1688) hunting for sources of input capacitance variation. Use these forums to discuss Hi-Fi audio and to share your DIY Audio Projects. As in: The board has surface mount pads and you are putting an 8-pin socket on? When directly soldering an IC, you can solder the pins in random order to minimize thermal stress. Mar 17, 2019 · And I would bet that the amplitude of each step is too small to actually reach the slew rate of the amplifier. Dec 9, 2019 · Home: RME ADI-2 Pro FS R BE—Neumann KH80 DSP, Arendal Sound 1723 1S Work from Home: JDS Labs Atom—Etymotic ER4SR, AKG K371, Sennheiser HD820 Measurement: Earthworks M30 (Reed R8090)—Earthworks ZDT 1021 — RME ADI-2 Pro FS R BE — REW Talking about AIYIMA A07, it will end up in a dustbin soon. Dec 10, 2021 · HifiGuides Forums Upgrading Burson Funk from NE5532 to OPA1656? DIY Audio. This is my first time doing anything DIY with audio. Opa1656 has good phase response at high frequency. That seemed like a reasonable target for the supply current of the OPA1656 as well. Drop-In replacement as far as a quick glance at their datasheets goes. Though I use it only occasionally mostly for tests, and it has not operated more than a couple of hours summed, the right channel started to emit high frequency hiss noise time after time, without any special reason, even if nothing is connected to the input. Aol Mar 17, 2019 · Benefit is lower dc offset and less distortion also high open loop gain also superior stability. 99 and OPA1602 £1. The Layout is attached. I have tried muse02, muse 8920 didnt feel they were worth the hype or price. 4Vp-p output. com) that there are now numerous recommendations for replacing the NE5532 opamp. Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. The output swing for Aol should be considered as it is different between the two devices. CMRR is not a big issue. Dec 17, 2018 · Have a significantly better sound by upgrading the stock NE5532 op amps to something more ‘high end’ and modern like the OPA627-AP? How these op amps actually compares (sound wise) in your opinion? Dec 6, 2018 · Old op-amps such as the NE5532 and LF353 are marginal for even 9V applications, let alone V or 3V, then there's the really crappy LM358 with horrific crossover distortion. Remember, to actually hit the specified slew rate of an op amp, you have to create a large enough voltage between the op amp inputs to direct 100% of the tail current into the compensation capacitor. Oct 2, 2021 · AP2 does. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Apr 10, 2019 · I have interested in low ESR Electrolytic Capacitors to power the Opa1612. 5). Valid comparisons between amplifiers can only be made by a double blind test. I used the attached blank proto board. (If I am not wrong OPA1656 is a really modern OP Amps from March 2019 vs 2017 for the OPA1692). After you have completed the online registration 一个意外的结果是、ne5532在第一级中的使用有多安静、在第一级中肯定比 lm4562安静得多。 这可能是由于与 lm4562相比、ne5532中的电流噪声明显降低。 opa1656作为 u1、 lm4562作为 u2的组合提供 了最低的测量噪声、但当 lm4562替换为 ne5532时、可闻差异可以忽略不计。 Mar 17, 2019 · The OPA1641 would be slightly better. In the meantime we will wait for the customers feedback on the component values in order to check the stability of each op amp below using the OPA1656. 3V inside of each supply. PRODUCTION DATA. Probably the circuit is better than the first one or something went wrong or I was just imaging all of those. com with a TI insider involved. Two identical gain 11 amplifiers were tested. I don't care about listening tests or something else, just want to use the technical better one in my amp. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. And it is a JFET opamp, which is always preferred by myself in the positions where slightly higher voltage noise of the opamp is negligible, like here. Mouser UK pricing at 1,000 units :- NE5532 £0. The A07 now gives a very pleasing, laid back and an analog, almost vinyl-like sound quality to the music! Bass performance is also quite noticeably improved as well. However, if you want the best possible stereo imaging and resolution with regard to phase critical stereo information, much lower distortion is in order. Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). Mar 17, 2019 · The Vendor's Bazaar forum is for commercial offers and transactions. Here we recommend some replaceable OP chips. Registration is free and required to post messages and view the file attachments. Feb 11, 2021 · The NE5532/5534 opamp The 5532 is a low-noise, low distortion bipolar dual opamp, with internal compensation for unity-gain stability. It is a simple bipolar PS using a 20V zener reference and voltage follower (schematic below). Use a socket and try a few out. Op amps are super cheap. The replacements (LME49710NA) have a lower maxium voltage spec, 36V rail-to-rail vs the 44V of the preamp's stock NE5534 and NE5532. opa1655 , opa1656 SBOS901C – MARCH 2019 – REVISED SEPTEMBER 2022 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, Mar 14, 2010 · Tubey, better late than never - I just replaced all NE5532 amps in Benchmark DAC1 with OPA1612 and play it so far for few hours. I once convinced a famous designer to throw the NE5532 & TL072's out of his CD-players analogue stage (in favour of LM6182/LM6172) and test with the AP2 multitone test. Measured at non-inverting gain 40dB and 3. Every amp. Now that was in late 90's, so basically in antiquity and the years BC/BASR (Before Covid etc. Why the big difference in my amplifier and NO difference in the summing circuit?I The audio amp, by the way, is a AIYAMA A04 which had a TPA3251 power stage, one NE5532 preamp per channel, and it's running on 32 volts. Someone on amazon reviews have posted a picture of internals of the opamp section of the P2, if that helps. May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. percyaudio. common mode voltage that I've measured on any op amp. Feb 11, 2021 · Even AD797 or OP627 cant hold a candle vs OPA1612 in terms of SQ - the difference is HUGE! My preamp sounds best with OPA1612 for gain and OPA2192 as buffer. com and all are unity gain stable. Oct 13, 2020 · Currently, the op chip used on AIYIMA A04 & A07 is NE5532. My main attraction to them is a higher ripple current in the AC to “ power” the board onward as the opa1612 only requires low quiescent current of 3. kozzyosko December 10, 2021, 10:34am 1. Two cases were evalutated – in a Jan 27, 2024 · The advantage of OPA1656 is that it has JFET inputs rather than bipolar, so its input bias current is much lower, making it easier to keep the output DC offset low in some applications. Is OP Amp swapping the key to better sound quality or a complete waste of time?Op Amps: https://fosiaudioshop. 25 V to ±18 V (4. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Aug 3, 2019 · This list shows 71 products, with 14 chips in the DIP-8 package. Below, I have highlighted the components that could be adjusted if this the issue. I can't say for sure. So put 10 x OPA1656 in a bag to send costs 16,76 $ , to put 10 x OPA627 in a bag to send costs 130 $ . It has the most stable input capacitance vs. Nov 30, 2021 · Stability should be considered especially with the wider bandwidth of the OPA1656. The NE5532 is used everywhere as its sound profile is designed to catch people's attention. Sep 6, 2024 · Welcome to the DIY Audio Projects Message Forum. Also, is CMOS opa1656 bad for headphone amp? Heard that opa1612 might be better for Dec 11, 2021 · HifiGuides Forums Upgrading Burson Funk from NE5532 to OPA1656? DIY Audio. Dec 11, 2019 · Normally you'd regularily search in the manufacturers new product listings first for any new interesting products. The opa1656 this time is smoother than the opa2156 in previous test and opa1612 has better bass than previous. I am sure they are much cheaper in China !! Apr 16, 2011 · The NE5532 should and can sound very transparent when used correctly and in the right applications, however, I read an interesting article on the 5532 and how its bjt input stage can give rise to odd distortion products when used at the output of DAC's due to the residual HF hash causing non linearities. For example, Aol for the OPA1656 with a 600 ohm load will have a linear output swing that is 1. Other forums provide additional suggestions, and the Mouser database provides yet more possibilities. 5 V to 36 V) on 3. The successor process, which is on 300 mm, was not ready at the time I was working on OPA1656. It offers exceptional performance in almost any audio application. Not targeting Mouser here , most of the others are worse. If you want to know more about this, post a question about what good chip to use in your unit and you should get some answers. Mar 21, 2023 · The trade off would be noise vs stability. May 25, 2021 · There is no difference between the NE5532 or the OPA1656 or any other one. This is just a theory. 4V. I did build that and the slightly modified schemo is attached. We get lower current noise and better EMI resistence. Transients are stronger, both rimshots of snare drum and big-band trumpets. NE5532: The resolution is average, the high frequency is relatively dry, and the low frequency is relatively muddy and fat. 04. Regardless, OPA1656 is on a fairly mature process that has been around for over a decade. I sent my original NE5532 to an hificonstructor and he did measurements , showing that the Aiyima a04 op amps was not fake. Feb 11, 2021 · Not all analog processes have moved to 300mm (12 inch) wafers. OPA1656 Sep 14, 2021 · I have an OPA1656 story that may be interesting especially to whomever wants to build the RIAA preamp example in the apps section of the data sheet. The 5534 is a single version internally compensated for gains down to three times, and an external compensation capacitor can be added for unity-gain stability; 22 pF is the usual value. He found a much reduced noise floor in the Multi-tone FFT. On the α24, this is a non-issue. 9 mA of supply current to accommodate the power supply constraints of many types of audio products. This video title is; 2Which OpAmp is Better for 20W Class A Amplifier - OPA2604 vs NE553 Aug 26, 2020 · A pair of *genuine* OPA1656's is the consummate and necessary upgrade for it's stock NE5532 opamps. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. Don't let power supply current limitations get in the way of performance. The power supply output is +/- 19. So now I'm more confused. The OPA604 is topping 10 nV/√Hz. The magic of the Internet Bottom one is NE5532, OPA1656 rolling I tried in all cases to Jul 26, 2020 · I agree with you, OPA1612 is really good regarding details resolution, OPA1656 has the best of both world : ultra high definition regarding micro details and very neutral but still warm. It's a killer OpAmp, and better suited to May 19, 2017 · Anyway, NE5532's have double-to-triple the input equivalent noise. Mar 17, 2019 · To start, OPA1656 is definitely not a replacement for OPA1622, the two parts were designed for with very different applications in mind. My guess is that you won’t notice a difference. Mar 17, 2019 · So to put 1 in a baggie exactly like the OPA1656 , they charge 15,69 $ !! , to put 10 in a baggie : 130 $ !!! TI does all the work and Mouser leaches more profit off from it. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. ) Oct 1, 2005 · However, I find (for example in the catalogue at www. 30, OPA1656 £0. Of the three Dec 10, 2021 · HifiGuides Forums Upgrading Burson Funk from NE5532 to OPA1656? DIY Audio. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. The FET-input architecture achieves a low 2. Can anyone suggest, from the many Burr-Brown and Analogue Devices opamps, which would be a suitable replacement for both the M5328 and the NE5532? Many thanks for any tips. 6 mA but I know I’m in the Op amp thread so I don’t want to take the thread off topic. Maybe try the OPA2604, designer Thorsten Loesch of AMR fame regards that one as good, unless you move to singles on an adapter board using something like the OPA627. The low voltage noise combined with the low current noise make this device great for low and high impedance applications such as a high gain microphone pre-amplifier. Feb 11, 2021 · Below is a comparison between OPA1656 and OPA1642. The OPA1656 immediately raised my attention, plus there was/is a long thread about it on diyaudio. It's best use as an alternative to opa1612 when noise is not a big concern. The combination of OPA1656 as U1 and LM4562 as U2 gave the lowest measured noise, but there was a negligible audible difference when the LM4562 was replaced by a NE5532. Best Regards, Chris Featherstone Mar 17, 2019 · blue spectrum - 2 x 8 parallel OPA1642 , green spectrum - 2 x 2 parallel OPA1642 orange spectrum - 2 x 8 parallel OPA1656 , brown spectrum - 2 x 2 parallel OPA1656 Based on these measurements I expect the noise of a single OPA1656 to be 39nV/rtHz at 10Hz. Aug 22, 2007 · I have a Tektronix SG-505 Ultra low distortion oscillator, its based on either NE5534 or NE5532 chips can't remember exactly which one, anyway, many years ago when the LME series came out, I thought that if I used an LME49720 or LME49710 instead of the NE553x I would be able to get even lower distortion, I was wrong. A quick snapshot of the OPA1656 performance specs: Dry, crisp, analytical and non-intrusive (as compared to the bold NE5532) is what I would describe this opamp as. OPA2134 and NE5532 both have power supply currents of about 4mA per channel, and have been widely adopted in the market (understatement). the differences aren't huge, but big enough to make a change worthwhile. Except opa1656 rest of opamps are available on rsdelivers. 21, JRC4580 £0. Aug 3, 2013 · I don't know how close the NE5532 is to another 5532 chip, but I replaced the RD5532-D chip in a Sony CDP-C705 with an OPA2228P chip and it sounds so much better. We would like to show you a description here but the site won’t allow us. OPA1622 was targeted specifically for headphone applications, while OPA1656 is a more general purpose device meant to address analog signal processing in line level audio circuits. com/products/op-amp-chip-muses02-opa2604ap-opa2 Jun 7, 2020 · I just wonder at the manufacturing stage what the difference in cost is between using an NE5532 and an OPA1656. I also have a AIYIMA A07 Jul 4, 2009 · What I am scared of is instability, I'm not sure if the P2 has bypass caps for the NE5532, and not exactly sure how bypass caps work with dip-8 sockets. OPA1656 1/2 OPA1656 Input Output Pad Product Folder Order Now Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. May 13, 2015 · NE5532 is dual channel opamp, so you can try few of these: opa2134, LM4562, opa1642, opa1656 without burning too much money on rolling opmaps. OPA1656 sounded worst, Muses 8920 sounded best. But the take-away from the above mini-discussion is that you can employ a custom, linear, no-feedback, ultra-low-noise JFET gain stage in front of whatever you hope to achieve with the op amps. Feb 23, 2019 · This is a set of measurements of 19+20kHz IMD distortion of the following opamps: AD4627, ADA4898, AD8597, OPA140, OPA141, OPA1641, OPA209, OPA1611, OPA637, NE5534. . the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and Oct 10, 2020 · Here in sweden we have also investigated the ne5532 because there was rumours that it was a fake one in the Aiyima a04. The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. consists of 2 x 10 op-amps in parallel and the two 10s are balance connected. Mar 17, 2019 · OPA2134 and NE5532 both have power supply currents of about 4mA per channel, and have been widely adopted in the market (understatement). Registration will only take a minute and registered users do not see any advertisements. File 1 (attached) provides a list of possible drop in replacements for the NE5532, where the pin-out and supply voltages are compatible. Apr 6, 2020 · NE5532 is easy to beat subjectively, and measurably. 000. The OP1656 is the exact opposite, while still being detailed. The circuit with the values shown in the linked article (but without the High and Low resistors and without the 1K input resistor): May 23, 2018 · The second time I did test with opa1656 and opa1612. Thanks in The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. Dec 10, 2021 · Is the OPA1656 the correct opamp to use? It is a dual Op-Amp package like the NE5532 with mostly the same ratings. NE5532 is a very good amplifier especially for the price ($0.
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