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Opa1656 vs lm4562
Opa1656 vs lm4562. Thanks in Apr 10, 2019 · TI recently introduced two devices worth looking into, updated BUF634A and OPA1656, both available as prototypes directly from TI. consists of 2 x 10 op-amps in parallel and the two 10s are balance connected. com and all are unity gain stable. Are you just interested in trying something different? Reactions: 1 user Jan 7, 2021 · So considering NE5532, LM4562 and OPA2134, OPA2134 gives best measured results in AIYIMA A07. Both with lm4562. May 23, 2018 · The second time I did test with opa1656 and opa1612. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and Mar 11, 2020 · JLCPCB Prototype for $2(Any Color): https://jlcpcb. the differences aren't huge, but big enough to make a change worthwhile. Choosing between the LM4562 and NE5532 depends on your specific application requirements and priorities. 01%, 10V step vs 1. I'm still waiting for OPA1656 in the mail. 5V to ±17V. Subwoofer Out Frequency Response: -3dB at 80 Hz THD: <0. by OP-amp by song Jump table ↓* VOCAL CLASSIC POPSMUSES03 0:42~ 1:42~ 2:43~ Dec 10, 2021 · This is my first time doing anything DIY with audio. プライバシーポリシー 当サイトでは、以下のとおり個人情報保護方針を定め、個人情報保護の仕組みを構築し、個人情報保護の重要性の認識と取組みを徹底することにより、個人情報の保護を推進致します。 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. Close to zero DC mv at its output would enable removal of the dreaded electrolytic coupling caps which will definitely lower colouration and improve sound quality. 9nV/rtHz vs. Aug 28, 2023 · 2. Every amp. comAll files and Gerber :https://drive. This is likely due to significantly lower current noise in the NE5532 compared to the LM4562. In 2022 one would suggest OPA1642 and OPA1656 methinks. X-fi Prelude' comparison a few threads down and I basically concluded from that the AD8620 might be considered better than the default LM4562. The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. To help others to understand what other audio components are being used, a SML SU-6 and SH-6 are used. 9nV/rtHz as opposed to 3. LM is the best overall, it sounds the most balanced, very natural/smooth/clean, doesnt exaggerate anything but can sound lacking in impact. Aol May 19, 2017 · Compare using a fet opamp, opa1656 vs a opa2134, I see little reason why one would choose a opa2134 for a new design, maybe that's why TI asks so much because they want you to use the new tech, but it's probably the cost of the mfg process for that tech vs the new processes. LM4562 can drive 600 ohm or lower very well but are not particularly low noise device. Feb 11, 2021 · Below is a comparison between OPA1656 and OPA1642. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. . The LM4562 A07 does work really well if you feed it with a good preamp like the Aiyima T6 Pro which also is flexible when it comes to op amps. The opa1656 this time is smoother than the opa2156 in previous test and opa1612 has better bass than previous. google. 1 k : 3. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. But $40-57 each. 5mV). #1 Choose the LM4562 (LM4562 vs NE5532): High-End Audio Quality: If your application demands the highest audio quality, low distortion, and minimal noise interference, the LM4562 is a better choice LM4562 LME49720 MUSES01 Burson Audio V5 Sparkoslabs SS3602 SIL 994 Enh Ticha Version 3 smd LM4562 LME49720 MUSES01 Sparkoslabs SS3602 SIL 994 Enh Ticha Measurements made with APX 525 with software APx500 V3. USB Receiver: C-Media CM6635. ••• 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。 Oct 10, 2020 · Aiyima a04 with LM4562 is more dynamic, goes deeper in the bass and sound clearer. Can I please ask two questions. The price for the new LM4562 also dropped significantly at the beginning of 2019. Apr 17, 2021 · I will show the difference between the OPA2604 vs the NE5532 OpAmp. ti. OPA828 feels like the most technically correct presentation of the sound, done at a far higher level of quality than say LM4562. I have compared with much more expensive amplifiers and my a04 is sounding better. It has a style of sound that seems to evoke more emotion and make the music more enjoyable than the others. r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. The FET-input architecture achieves a low 2. Those are fine. Feb 29, 2008 · I've read about the 'Sondigo vs. com/open?id=1kzo6G9kJmkIaBmcjEtPp6dqDExES677MChannel animasi Feb 4, 2014 · The thread was started in 2014. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. You have to try it yourself to hear the difference, because the measurement advantage is very small, so it should be non-audible , but it is not. common mode voltage that I've measured on any op amp. Especially on the sound-stage and overall music presentation is more forward with this LM4562. The LM4562 has lower typical input offset voltage than the OPA1656 (+/- 0. Jul 23, 2022 · DACのオペアンプを交換しました。線が少し細くなりましたが、小音量で全体のバランスが良くなり高域のクリア感が増しました。SOP8パッケージの交換は面倒なので、最後にすべくOPA1612に変えちゃいました。SOP8をDIP変換で交換出来るようにとも考えましたが、安定性を考えて中止です。 Part Number: OPA1656 Other Parts Discussed in Thread: LM4562, Hello, I am designing a phono pre-amp and found application report SNAA046A–July 2007–Revised May 2013. 高音質電源改善アクセサリーを中心に、音響を中心に電気で世の中に貢献しています。 Jul 3, 2019 · If you find a review, it could be for an OP275 buffer (they changed the build spec to LM4562 just 2 days ago). 3V inside of each supply. The output swing for Aol should be considered as it is different between the two devices. The completely docile op amps are the OPA2604, the OPA627, the OPA2107, the LM4562/LME49720 and the OPA2134. 2uS to 0. 000. Or some other op amp, because their IC socket supports op amp rolling and you can order it with a different op amp if you prefer. OPA1656 sounded worst, Muses 8920 sounded best. Composite amplifier is one of the best application with opa1656. LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. Aug 26, 2020 · I have two of a04. LM4562 may be slightly better, but the difference is not audible. Probably the circuit is better than the first one or something went wrong or I was just imaging all of those. It's a killer OpAmp, and better suited to non-inverting buffer duties than the OPA1612/2211 Mar 17, 2019 · OPA1656 is less noisy than the OPA827, 2. I tested a few in both units and the best combination to my ears at least is the opa2604 in the output stage of the T6 Pro and the LM4562 in the A07. Jun 8, 2023 · THD=-117. The successor process, which is on 300 mm, was not ready at the time I was working on OPA1656. This video title is; 2Which OpAmp is Better for 20W Class A Amplifier - OPA2604 vs NE553 Mar 17, 2019 · That's interesting, because in my little opamps rolling experiment it did not do very well. I'd be curious if the new-er opa1656 doesn't beat the NE5534 in almost every one its edge cases (namely, it's rather nice output stage) -- the low distortion oscillator thread makes a case The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. Over this supply range the LM4562’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. Except opa1656 rest of opamps are available on rsdelivers. I can't say for sure. Having LM4562 in both amplifiers and they start to sound the same. 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. Any way, it is also Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). 000130% Although the price was also cheap, It is a pity that NS was absorbed by TI and was abolished after losing the brand power competition with BB. Maratnz likes to drive 5532s with the full swing of +/-22V which is too much for most of the stock replacements. May 15, 2022 · Buggle2 Riaa board. I listened to OPA2134, LM4562, and NE5532, and OPA2134 sounded the best. 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. CMRR is not a big issue. They are "better' ones you can try - LM4562 is always a good candidate just check the supply voltage fist. The LM4562 is unity gain stable. Mar 17, 2019 · Benefit is lower dc offset and less distortion also high open loop gain also superior stability. Jan 19, 2023 · The LM4562 is an excellent op amp for audio applications and is one of the more reasonably priced. Feb 10, 2020 · And I've tried many Opamps as well: the stock 5532, some directly purchased from TI 5532P and 5532AP, LME47920, LM4562 and finally some OPA1656 and OPA1612 on adapters. 4nV/rtHz both flat. com with a TI insider involved. Jul 4, 2009 · - highs (over 10-12khz or so) not as "sparkling" as with opa1656 (but at the same time more sibilant, not overly sibilant but with the opa1656 sibilant nearly "vanishes" while the opa627 brings them a bit up again, it doesnt "shoot" sibilance in your face, its just a bit more audible) Jun 29, 2021 · opa1656が最新でスペックの高さが評判でしたので、最初は期待しましたがドライであっさりした音で最初はつまらなく感じました。しかし、ths4651と組み合わせると音響の下支えを担うように鮮やかさを増すようになりました。opa1656は良いです。 Nov 30, 2021 · Stability should be considered especially with the wider bandwidth of the OPA1656. Dec 11, 2019 · Normally you'd regularily search in the manufacturers new product listings first for any new interesting products. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. I don't care about listening tests or something else, just want to use the technical better one in my amp. 00008%, 2604 is Oct 30, 2022 · TL072 is a JFET input opamp, so its main strengths are negligible input bias current and input current noise, and a peculiar input common mode range that is useful in many designs, including this one. TI was going to discontinue the LM4562 and others as well. 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. 5 metre cable at 33. But it's a bit emotionally distant compared to MUSES03. 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. Are there any other 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. strangely its probably the most boring sounding one when paired with 400i but the best sounding with hd600 The LM4562 has a wide supply range of ±2. 0008%, 20Hz-20KHz, at 2V RMS IMD: <0. Even the tpa 3116/3118 is really good. Sep 14, 2021 · The LM4562 is an exception, but otherwise it are the fast op-amps that JRA has trouble with: Misbehaving: OPA1656, gain-bandwidth product 53 MHz LME49990, 110 MHz OPA1612, 40 MHz Behaving well: OPA2604, 20 MHz OPA627, 16 MHz OPA2107, 4. 8nV/rtHz). 707dBc=0. Regardless, OPA1656 is on a fairly mature process that has been around for over a decade. You are right, OPA1656 is interesting part, but as anything in engineering field it depends on user case and circuit environment. ••• • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. PRODUCTION DATA. Dec 6, 2018 · Tone controls? DAC reconstruction filter? The better FET-input op-amps are expensive because they are laser-trimmed and prices can be crazy. It's best use as an alternative to opa1612 when noise is not a big concern. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety 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, May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. 3nV/rtHz @ 1kHz). Since I am not interested in the V6 Vivid Dual that it comes with. I can't really hear difference this time. The OPA1656 has lower typical settling time than the LM4562 (800nS to 0. Very nice presentation in the link! Thank you. 3 MHz. 7nV/rtHz @ 1kHz vs 4. 5 MHz LM4562, 55 MHz OPA2134, 8 MHz A 1 metre cable with polyethylene dielectric has its first resonance at 50 MHz, a 1. For example, at 10Hz both parts are approximately 35nV/rtHz. Just did an A/B with 2 opamp buffers on my Hypex NC500 monoblocks, which I normally use with no buffer, as the dac has enough gain to drive the NC500 modules direct. 7 nF//500 pF 47 nF//33 nF LM4562 www. MUSES8820 is the best, IMHO. 4 at 1KHz. And this preamp sounds MUCH better than Audio Research, Burmester and Accuphase preamps costing above €10. New BUF634A has higher slew rate, wider BW and decreased quiescent current in wide-BW mode, and is cheaper than original 634 Nov 25, 2015 · Ive compared the NE5532, NJM4556 and LM4562 so far. Jun 13, 2016 · ポータブルアンプのオペアンプ、オペレーションアンプの交換の実験です。なかなかオペアンプの聴き比べは手間がかかるもの、今回は安価な価格帯のオペアンプから、様々な聴き比べをしていきます。 Jun 19, 2021 · The latest op-amp that I am still using until now is LM4562. Load was 1k but I'm planning on changing that to something easier like 2k and retesting NE5532 just for fun. DAC: ESS ES9018 with LM4562 I/V and filter stages Aug 22, 2007 · Before I got an AP I used a Boonton 1120 -- same story -- the NE5534 in the oscillator couldn't be beat. Feb 4, 2014 · Avoid LM4562/LME49720 and OPA2134/2604 if you do not want to re-engineering circuitry to make it stable. Mar 22, 2022 · These are probably among the two highest of the best sounding dual opamps around today. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Jul 4, 2009 · Of these top three my favorite is MUSES03. The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. I use meanwell power supply 30 V, 6 A for my a04. 1mV vs +/- 0. I am planning to replace the NE5532 in my Burson Funk with the OPA1656. Feb 20, 2021 · The BJT input LM4562 has lower typical input voltage noise (2. Opa1656 has good phase response at high frequency. 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. Help! Mar 17, 2019 · If you pick a point on the 1/f portion of the noise spectral density curve you can see that the two parts are essentially identical. Feb 11, 2021 · Not all analog processes have moved to 300mm (12 inch) wafers. com SNAS326K –AUGUST 2006–REVISED DECEMBER 2013 LM4562 Dual High-Performance, High-Fidelity Audio Operational Amplifier Check for Samples: LM4562 1FEATURES DESCRIPTION The LM4562 is part of the ultra Mar 17, 2019 · The OPA1641 would be slightly better. Nov 8, 2006 · I found that these two ICs had similar parameter, but some difference: OPA2134: lower noise(8nv, 2604 is 10nv), lower distortion(0. Question is OPA1612 or even better if you can NJM8830. Also comparisons of the OPA627 and OPA637 would be good. Click to expand Distortion will strongly depend on load it drives. Texas instruments have done a really good job with the tpa serie. Aug 22, 2007 · What was omitted from the LM4562/LME49720 history is that the part was cancelled, because the 6" wafer line it was sourced from went way, and then resurrected on a new 8" wafer line. 1%, 10V step). The OPA1656 immediately raised my attention, plus there was/is a long thread about it on diyaudio. I have tried muse02, muse 8920 didnt feel they were worth the hype or price. Two identical gain 11 amplifiers were tested. The knee in the OPA1656 noise curve is higher because the broadband noise of the OPA1656 is lower (2. 1) Can I replace the LME49710 / LM4562 referred to in the report with the OPA1656 without changing any of the values in the circuit design in Feb 28, 2021 · The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. 0008%, CCIR SNR: >112dB referenced to 2V RMS Topology: based on OPA1656/OPA1678 Gain: 10dB referenced to mains Output Impedance (line out): 75 ohms. How to choose between lm4562 vs ne5532. It seems paying a few more dollars for LM4562 op amp instead of NE5532 doesn't really make much sense. Some say it is the same as LME49720, but anyway this LM4562 is lot cheaper. Each part has its specific specs tailored for the application. For me NJM8830 is better, it can really only compete with LT1028. The sound difference after using NE5532P to this LM4562 is somehow so much different. The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. That said, a few people consder the OPA637 an 'upgrade' from the AD8620. OPA1656 Sep 14, 2021 · Of the op amps in my collection the massive misbehavers are the OPA1656, the LME49990 and the OPA1612. For example, Aol for the OPA1656 with a 600 ohm load will have a linear output swing that is 1. It has the most stable input capacitance vs. I’m going to solder the IC to a soic to dip adapter then plug it into the the amp. I would recommend OPA2134 or OPA134 and if you have money the OPA627 or OPA637. Apr 6, 2020 · They are not bad opamps at all. 83 k : 100 : 150 : 22 nF//4. It offers exceptional performance in almost any audio application. May 19, 2017 · An OPA1612 has slightly better specs than an LM4562---less noise and distortion, faster, and more output voltage swing. It really depends how much work is involved. Is the OPA1656 the correct opamp to use? I heard it was the best so that’s why I picked it.
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