Opa1656 vs opa1612

Opa1656 vs opa1612. com SBOS450C –JULY 2009–REVISED AUGUST 2014 5 Pin Configuration and Functions D Package OPA1611, SOIC-8 D Package (Top View) OPA1612, SOIC-8 (Top View) DRG Package OPA1612, SON-8 (Top View) (1) NC denotes no internal connection. Joined Sep 8, 2012 Messages 848. r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. Currently, I require opamps in the DIP package. Jul 4, 2009 · The Opa1656 has a much wider and better soundstage. The op amp offers a temperature range of -40°C to +125°C and is available in an 8-pin SOIC package. Find parameters, ordering and quality information OPA1622DIP化モジュール Jul 4, 2009 · I was wondering if I could put OPA1656 (I am most interested in) as a drop in replacement (SOIC is fine)? I was also looking at OPA1612, AD8599, AD825, and OPA627. PRODUCTION DATA. 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 21, 2020 · 이전에 사용했었던 opa1656에 비해 큰 개선까진 없었습니다. ah so much other untested opa's 1678 still on my list ina1620. Total Noise of OPA1656 vs OPA1612. 6 mA but I know I’m in the Op amp thread so I don’t want to take the thread off topic. May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. I don't care about listening tests or something else, just want to use the technical better one in my amp. Any futher recommendations? my favs 1642/1656, 1612, lme49720na 2xopa627bp, ••• 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, Total Noise of OPA1656 vs OPA1612. Transients are stronger, both rimshots of snare drum and big-band trumpets. 9mA of supply current. tnt-audio. One other very noteworthy difference is the Vivid has a strong attack, but loses a bit on the decay so sustain is better on the SS360x. Now, we run through a hand calculation to find the total noise of a simplified audio Total Noise of OPA1656 vs OPA1612. 4 nV/rthz. 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. Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. 5 MHz LM4562, 55 MHz OPA2134, 8 MHz A 1 metre cable with polyethylene dielectric has its first resonance at 50 MHz, a 1. The Texas Instruments OPA1656 has a specified temperature range from –40°C to +125°C and is offered in an 8-pin SOIC package. Sep 25, 2019 · The OPA165x operates over a very wide supply range of ±2. Part #: OPA1656. Standard opamp for that has pretty much become OPA1612. Jul 4, 2021 · The article linked below isn't the be-all and end-all on op amps tests, but very informative. Dual customzied solution will give unmeasurable distortion (possibly -180db). But I would still like to see the OPA1656 tested. Page: 42 Pages. Ha ha it's funny because I'm a wide and far reached detailed and accurate fanboy and some people find too many details to be annoying. 3V inside of each supply. ••• Mar 17, 2019 · The OPA1641 would be slightly better. --lme49722 lme4562 lm4562 opamp is very good sound ,higher ratings than opa2134 -but not as Dec 14, 2015 · TI introduces the industry's highest-performance audio operational amplifier Lowest distortion and noise, high linear output current, and low power push the boundaries for professional and Application Report Understanding Op Amp Noise in Audio Circuits Tyler Noyes, Tamara Alani ABSTRACT One of the greatest design challenges when building a high fidelity audio circuit is how to reduce the total system Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. The OPA1642 is “one step down” but still very highly rated, and it is JFET-input which should give a low enough DC-offset to be used directly in this kind of application. Now, we run through a hand calculation to find the total noise of a simplified audio Apr 21, 2019 · vs Burson V6 Vivid The V6 Vivid has a faster attack than the classic, but still not quite as fast as the SS360x which allows the SS360x to wring out just slightly more detail than the Vivids. Compare the datasheets. Jan 27, 2024 · The OPA1612 has lower noise and distortion than OPA1656. The knee in the OPA1656 noise curve is higher because the broadband noise of the OPA1656 is lower (2. NE5532 is a very good amplifier especially for the price ($0. Two cases were evalutated – in a OPA1611, OPA1612 www. It's a killer OpAmp, and better suited to non-inverting buffer duties than the OPA1612/2211. My understand if noise isn’t a problem the opa1656 is great alternative to the opa1612. VIN(DIFF) Differential input voltage ±VS V IO Output short-circuit(3) Continuous TA Operating temperature –55 125 °C TJ Junction temperature –65 150 °C Tstg Storage temperature –65 150 °C (1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. Jan 10, 2016 #1. 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. the best sounding is OPA1612 ,not for driving headphones -low output current drive ,3ma current consumption ---then opa2134 the best all around as preamplifier it can be used at high gain 6-10 times,very good sounding and Musical,good for biassing in class A. My favorites at the moment opa1642 and this one opa1656. Apr 5, 2021 · The original amp has the OPA1656 and the other has the OPA1642. But this time it's a bit more interesting. Member. It is great to have some measurements behind the OP amp selection. Tried putting in opa1612 today. Dec 30, 2023 · Part Number: OPA1612 Other Parts Discussed in Thread: OPA1656 I'm up to, to design a 3rd or 4th order 20 Hz high pass filter with ultra low distortion. The OPA1611 and OPA1612 offer rail-to-rail output swing to within 600 mV with a 2-kΩ load, which increases headroom and maximizes dynamic range. But more importantly, it's CMOS. Opa1656 has good phase response at high frequency. ti. From what I know the OPA1656 is currently the highest-spec audio grade standard opamp that TI offers. 5 V to 36 V) on 3. May 15, 2022 · LME49720 vs OPA1612 vs Muses02. 5). Page: 23 Pages. 4 Calculating Voltage Noise at the Output. The OPA2156 is a new, high-performance op-amp from TI. The FET-input architecture achieves a low 2. Now, we run through a hand calculation to find the total noise of a simplified audio 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。 Jan 21, 2022 · You have answered another one of my questions before I ask - input impedance - I was reading earlier about OPA1656 vs OPA1612, and bipolar vs FET. I am planning to replace the NE5532 in my Burson Funk with the OPA1656. Are there any other チョイラボその8 - Choi LABO - FC2 Sep 27, 2019 · The OPA1656 operates over an ultra-wide supply range of ±2. Aol 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 5, 2018 · System: Equitech 1. 9 mA of supply current to accommodate the power supply constraints of many types of audio products. 7 pA/rthz) will multiply with the pickup resistance (varies quite a bit, say typical is 10 kOhm) to become the Total Noise of OPA1656 vs OPA1612. Dec 10, 2021 · This is my first time doing anything DIY with audio. Pin can be left floating or connected to any voltage between (V–) and (V+). Soundstage and placement felt more solid. e. Sep 6, 2023 · I was using opa1656 with fosi v3 ever since I got the uni. Nov 30, 2021 · Stability should be considered especially with the wider bandwidth of the OPA1656. 1-nV/√ Hz noise density with an ultralow distortion of 0. Also pricing for 1000+ isn't really that expensive for opa1656, opa1602, opa1612. Find parameters, ordering and quality information Part #: OPA1656. Description: Ultra-low-noise, low-distortion, FET-input, Burr-Brown audio operational amplifier. the differences aren't huge, but big enough to make a change worthwhile. 3 MHz. 8nV/rtHz). OPA1655 THD=-114. The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. Is the OPA1656 the correct opamp to use? I heard it was the best so that’s why I picked it. OPA1611, OPA1612 www. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. As per datasheet Fig 7, OPA1656 achieves this pretty well with loads of 2k (or more) @ output voltage 3V(rms) OPA1612 achieves this flatness of THD+N curve , eg in inverting mode G=-1 (Fig. File Size: 611Kbytes. I’m going to solder the IC to a soic to dip adapter then plug it into the the amp. 25 V to ±18 V (4. 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. It has the most stable input capacitance vs. not going into high frequency oscillation) are different and just swapping ICs may cause problems -- you might need to add some compensation for the OPA1678, depending on Mar 17, 2019 · In fact it can even introduce discontinuities into the gm vs Vdif curve. 3nV/rtHz) and distortion (-124dB), wide bandwidth (22MHz) audio op amp. I've had the Burson V5i, and the V6vivid and I have no space to put a sparkos labs opamp single or dual channel. Sep 14, 2021 · This leads me to believe there could be an issue caused by the back-to-back diodes across the inputs of bipolar (LME49990, OPA1612) and CMOS op amps (OPA1656). Apr 5, 2021 · We would like to show you a description here but the site won’t allow us. 000196% I recently learned that an OP-AMP called OPA837 was released. But I really like the FET's in that position. OPA1612 is a great amplifier, however, it is bipolar (input type) and when used immediately at the front-end of a guitar input, the input current noise (1. 다이나믹스나 저음 깊이감 측면에서 거의 비슷하다는 느낌을 받았습니다. Thread starter forami; Start date 2022-05-15 10:48 am; Jump to Latest F. With that being said, there will not be a huge noise performance difference between OPA1656 (~4nV/rthz) vs OPA1678 (~5nV/rthz) when the thermal noise is already 11. Now, we run through a hand calculation to find the total noise of a simplified audio • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). Download. Feb 11, 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). 1nV/√Hz Noise, Low Power, Precision Operational Amplifier OPA1612 Total Noise of OPA1656 vs OPA1612. Psychic contributors here now . Since I am not interested in the V6 Vivid Dual that it comes with. 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. To date, bipolar opamps have ruled when 1 10 100 1000 1 10 100 1k 10k 100k 1M 10M 9ROWDJH1RLVH6SHFWUDO'HQVLW\ Q9 ¥+] Frequency (Hz) C006 Product Folder Sample & Buy Technical Documents Tools & Software Total Noise of OPA1656 vs OPA1612. I also refurbish large format recording consoles. The Opa1612 is the audio version so they made the specs slightly worse. For example the OPA1678 has a much higher gain-bandwidth product than TL072 and different output impedance, which means that the criteria for it being stable (i. This feature accommodates the power supply constraints of many types of audio products. Now, we run through a hand calculation to find the total noise of a simplified audio 0:00 OPA1656(EQ) OPA2211( voltage follower)1:56 OPA2211 OPA1656オペアンプ回路のノイズ特性として、信号源の抵抗が大きい場合は、FET入力タイプが推奨されると Application Report Understanding Op Amp Noise in Audio Circuits Tyler Noyes, Tamara Alani ABSTRACT One of the greatest design challenges when building a high fidelity audio circuit is how to reduce the total system Application Report Understanding Op Amp Noise in Audio Circuits Tyler Noyes, Tamara Alani ABSTRACT One of the greatest design challenges when building a high fidelity audio circuit is how to reduce the total system Application Report Understanding Op Amp Noise in Audio Circuits Tyler Noyes, Tamara Alani ABSTRACT One of the greatest design challenges when building a high fidelity audio circuit is how to reduce the total system Application Report Understanding Op Amp Noise in Audio Circuits Tyler Noyes, Tamara Alani ABSTRACT One of the greatest design challenges when building a high fidelity audio circuit is how to reduce the total system Aug 24, 2012 · i tryed lme49722 opa2134 and opa1612 ,--. Great table. common mode voltage that I've measured on any op amp. But that does not say anything about the SQ. It occurred to me that a more modern & higher performing part must exist at a lower price - a win-win scenario if ever there was one. Mar 9, 2023 · SMSL SU-10 vs M500 MKIII vs DO300 21 vs 9 vs 11 dual op-amps OPA1612 (accoring to the spec from smsl-audio) What is the Op-amps doing in that? M500 SINAD is higher than DO300 with less op-amps. Now, we run through a hand calculation to find the total noise of a simplified audio Dec 28, 2017 · There are some things to watch out for when swapping op amps. Both (I believe have Fet-inputs) There’s also 2189 CMOS audio op amp has impressive specs of an impressive was designed for MUX friendly DACs and multichannel dacs! Total Noise of OPA1656 vs OPA1612. (If I am not wrong OPA1656 is a really modern OP Amps from March 2019 vs 2017 for the OPA1692). Composite amplifier is one of the best application with opa1656. Normally, that's not newsworthy because higher performing parts are coming out all the time. 5V to 36V) on 3. Dynamics felt better, bass felt more defined and the upper midrange seems to have more air. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. It offers exceptional performance in almost any audio application. For example, Aol for the OPA1656 with a 600 ohm load will have a linear output swing that is 1. For the case of OPA1692 data sheet, product information and support Mar 17, 2019 · Rolling opa1642, opa1612, muses8920, 2xopa627bp, lme49720na, opa2134. Dear all, aiming to keep THD+N figures constant over the audio frequency range. 000015% at 1 kHz. File Size: 3MbKbytes. 5RQ Balanced Power - Tascam CD200 - Oppo 93 - Auvio HD Radio Tuner- MiniDSP OpenDRC-DI DSP, 2x4HD - AcourateDRC - UMIK-1 - ECM8000 - REW - Behringer DEQ2496 - Behringer UMC202HD and Focusrite 4Pre USB - Benchmark DAC2 HGC - Krell KCT pre and FPB 350mcx monoblocks - Sennheiser HD650 - MartinLogan reQuest 15" x 48" electrostatic hybrid with 12" sealed woofer 180Hz cross The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Dec 6, 2018 · This question is triggered by a repair I recently did where the originals, while still available, were stupid expensive. Jul 4, 2009 · Here’s a great article comparing opa2156 CMO vs opa1612. For example, at 10Hz both parts are approximately 35nV/rtHz. OPA1612 sounds better than any transistor preamp I've ever heard and better then my own 6N6P 2 case -no barrels hold- 36kg monster preamp with a 100% double blind test win rate. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and TI’s LME49860 is a 2-channel, 44-V, high-fidelity, high-performance audio op amp. Now, we run through a hand calculation to find the total noise of a simplified audio Jun 13, 2016 · 【やってみた】オペアンプ聴き比べ、最強のオペアンプ決定戦 Mar 17, 2019 · Here is a copy paste of the result for OPA1656 OPA1656 In the past I have to say I prefered widely the AD precise sound vs the softer traditional TI sound. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. May 19, 2017 · Something better than the LM4562? OPA1611, OPA1612 www. Jun 8, 2023 · The OPA1656/1655 released after the OPA828 are also excellent enough to dispel the image of past CMOS input. Now, we run through a hand calculation to find the total noise of a simplified audio 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. 25V to ±18V or (4. - Page 2 Total Noise of OPA1656 vs OPA1612. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety 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. . Thread starter oldphaser; Start date Jan 10, 2016; oldphaser Chief Journeyman. It's a virtually unknown chip as when you search on Digi-Key it doesn't come up as soundplus. He gives strong recommendations for some applications and also caveats about ill-informed op amp rolling. If a transient causes the op amp inputs to be pulled apart, the differential input voltage forward-biases those diodes causing a large input bias current. I used though the better TIs in output stages of middle class DACs as these benefitted from a more round /warm presentation with less details, as that masked their weaknesses and in fact 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. 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. 7 of OPA1612 datasheet) TI’s OPA1662 is a Dual SoundPlus™ low noise (3. 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 Feb 11, 2021 · I'll look at it if you know of one amp using OPA1612 sounding audibly better than another amp using cheaper op amp in objective listening comparison. Description: OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational Feb 16, 2021 · と思って、今度は発売日が比較的新しいオペアンプを組合せてみた。 使ったのは次の4種類。 opa1656、opa1622、opa2211、＋特別な存在と言われることが多いopa627bp 最終的に選んだ組み合わせは、 ・i/vが2個ともopa1656 ・差動はopa2211 これだとかなり現代的な音に Total Noise of OPA1656 vs OPA1612. Dec 9, 2019 · Technically speaking, it's really hard to beat opamps like AD797, AD8599, OPA1612, OPA1656, so it might be safer to use one of these over the "exotic" ones, unless swapping opamps is really fun for you and you have enough money to spend on this hobby. Now, we run through a hand calculation to find the total noise of a simplified audio OPA1656 ACTIVE SoundPlus™ ultra-low noise and Bipolar-Input Audio Op Amp OPA1611 — 1. Feb 6, 2018 · 最近オペアンプ交換が楽しくて色々試してみました。個人のメモを兼ねてレビューしてみます。環境は、CD取り込みからハイレゾ化まで手軽にできるCurioSoundを使用してCDから取り込んだデータを96kHz 24bitのflac形式で保存。 "安いのにすごいSHANLING M2sを買いました"で紹介したM2sからラインアウト Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). OPA1656 Jan 10, 2016 · OPA1611 vs OPA134 or OPA1612 vs OPA2134. Regarding the tone stack, if there is enough gain in the front-end, the input-referred noise may not be impacted by the resistances. 144dBc=0. OPA1656 sounded worst, Muses 8920 sounded best. 2022-05-15 10:48 am #1 Feb 28, 2021 · The best sounding op amps for audio work. Apr 10, 2019 · I have interested in low ESR Electrolytic Capacitors to power the Opa1612. forami. So you'd be "degrading" the performance by going that route (even though both are excellent). Now, we run through a hand calculation to find the total noise of a simplified audio Jul 4, 2009 · The Opamp thread | Page 439 | Headphone Reviews and Jul 5, 2006 · SQ was about the same as other ESS-based dacs in that class. I prefer the opa2211 over the opa1612 (same chip but with less better specs). The specs on the opamp are really good, almost as good as the OPA1612 (and better in some ways that will be covered below). He does test the TL072 against some more modern ones, but not the OPA1612 due to there being no DIP version I think. Joined 2022. Also LME49860NA but I can't find them anymore. It could sound pretty good, but one could get sound just as good from IC opamp designs. Does anybody know design advantages of choosing a certain topology? Mar 22, 2022 · OPA1612 (soic on dil adapter board), bi-polar from input to output, again a very good opamp, which to me "sounds more balanced" top to bottom than the LME, it is just as dynamic, but just a little less obvious in the bass leading edge because the mid-range seems a little more fleshed out rich and full bodied, highs are just as good as the LME. Some people have more recently started using OPA1656, which are very good, although they are a little less authoritative in the bass. Apr 30, 2021 · The OPA1656 immediately raised my attention, plus there was/is a long thread about it on diyaudio. Mar 17, 2019 · The OPA1641 would be slightly better. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. It's best use as an alternative to opa1612 when noise is not a big concern. 9nV/rtHz as opposed to 3. May 9, 2023 · Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. com Other Parts Discussed in Thread: OPA1612, OPA1642, RC4136 I use these amplifiers for pro audio. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Other Parts Discussed in Thread: OPA1612, OPA828. Products Precision op amps (Vos<1mV) INA1620 — High-fidelity audio operational amplifier with integrated thin-film resistors and EMI filtering OPA130 — Single, 1-MHz, 20-pA bias current, 530-µA power, FET operational amplifier OPA131 — Single, 4-MHz, 50-pA bias current, 750-µA power, FET operational amplifier OPA140 — Single-channel, 11-MHz, low-noise 36-V JFET precision operational Total Noise of OPA1656 vs OPA1612. com with a TI insider involved. The output swing for Aol should be considered as it is different between the two devices. Dec 28, 2018 · I would like to see the OPA1656, a burr brown sound plus chip. 5 metre cable at 33. Now, we run through a hand calculation to find the total noise of a simplified audio Mar 17, 2019 · Benefit is lower dc offset and less distortion also high open loop gain also superior stability. Transparency got way better. OPA1612를 받아주기엔 DK799, 아니 포터블 기기의 한계가 있지 않나 하는 생각이 들었습니다. I felt a great improvement overall. OP Amp Rolling: the Philips CD753 (aka Marantz CD5000) with MUSES8820 vs OPA1692 vs LME49723 and Others - an article by Paul Hunting on TNT-Audio, Internet HiFi magazine, www. CMRR is not a big issue. Now, we run through a hand calculation to find the total noise of a simplified audio Hi Ervin, Yes those devices are very popular, unfortunately I don't have any way to know for sure when they are back in stock. suqfe alscdo dnzht vejs btaw ahbs cymy cgar sgui lqdv