Opa1612 vs opa1656 reddit. File Size: 3MbKbytes. Are there any other The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. I don't care about listening tests or something else, just want to use the technical better one in my amp. I also refurbish large format recording consoles. Description: OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational Apr 8, 2021 · LEAF Dual 9038Q2M VS Gustard X16 pictures inside Sep 6, 2023 · I was using opa1656 with fosi v3 ever since I got the uni. Opa1656 has good phase response at high frequency. 9 mA of supply current to accommodate the power supply constraints of many types of audio products. The OPA1612 offers rail-to-rail output swing to within 600 mV with a 2 kΩ load, which increases headroom and maximizes dynamic range. I prefer the opa2211 over the opa1612 (same chip but with less better specs). However, there really will be very little difference between it and other high performance opamps. OPA1612를 받아주기엔 DK799, 아니 포터블 기기의 한계가 있지 않나 하는 생각이 들었습니다. Mar 17, 2019 · OPA1656 is less noisy than the OPA827, 2. I have diyinhk es9038pro board and try muses8920 for i/v and LPF. 4nV/rtHz both flat. Feb 11, 2021 · The next op-amp I am planning to try is the OPA1612 but perhaps the DAC is the limiting factor and perhaps the measurements will look very similar to the OPA2134 even if the OPA1612 is a really good op-amp. i expected them to put some Mar 17, 2019 · I measured again the noise of OPA1656 vs OPA1642. Tried putting in opa1612 today. 9mA of supply current. Standard opamp for that has pretty much become OPA1612. I’m going to solder the IC to a soic to dip adapter then plug it into the the amp. Now, we run through a hand calculation to find the total noise of a simplified audio Jul 5, 2006 · SQ was about the same as other ESS-based dacs in that class. The schematic, spectrum and results are given below. Nov 30, 2021 · OPA2134: OPA2134 VS OPA1656. Does anybody 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。 Other Parts Discussed in Thread: OPA1612, OPA1642, RC4136 I use these amplifiers for pro audio. For the case of 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 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). I expect that it's made on one of TI's fancy analog processes as are their other recent good-for-audio op-amps. But more importantly, it's CMOS. The OPA1656 immediately raised my attention, plus there was/is a long thread about it on diyaudio. Is the OPA1656 the correct opamp to use? I heard it was the best so that’s why I picked it. 25V to ±18V or (4. 4 Calculating Voltage Noise at the Output. To date, bipolar opamps have ruled when 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 Oct 15, 2014 · Texas Instruments' OPA1612 (dual) bipolar-input operational amplifier achieves very low 1. It might require more capacitance in the LPF of the I/V stage to keep it happy Vs the others. Find parameters, ordering and quality information OPA1611, OPA1612 www. The newest hot-shot FET opamp is the OPA1656; but it is also SOIC-8 and needs an adaptor. OPA1655 THD=-114. It could sound pretty good, but one could get sound just as good from IC opamp designs. 8ma quiescent current per channel - half as much as OPA2134,OPA1656 is the best boise performer now, but there many different purposes with different requirements. Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. 100 Ohm - 100 kOhm, 3). Good op-amps try not to add their own character to the sound, and the V5i sticks to that. Hi Team, My customer wants to Mar 17, 2019 · Rolling opa1642, opa1612, muses8920, 2xopa627bp, lme49720na, opa2134. Dec 6, 2018 · Just replace the original op-amp with one with a similar specification, if it's not possible to find an exact replacement. Composite amplifier is one of the best application with opa1656. - Page 2 May 19, 2017 · Something better than the LM4562? Jul 4, 2009 · The Opa1656 has a much wider and better soundstage. It appears that the OPA1611/2 have a lower noise voltage, wider bandwidth and higher slew rate than the OPA134 and OPA2134's. Oct 15, 2014 · Texas Instruments' OPA1612 (dual) bipolar-input operational amplifier achieves very low 1. May 15, 2022 · LME49720 vs OPA1612 vs Muses02. OPA1642 sucks 1. 1-nV/√ Hz noise density with an ultralow distortion of 0. tnt-audio. 000015% at 1 kHz. If you want discrete, then Sonic Imagery 994 or the Weiss op amps. For example, at 10Hz both parts are approximately 35nV/rtHz. 000196% I recently learned that an OP-AMP called OPA837 was released. 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. To check if they will match the previous ones that were made with balanced 10x paralleled op-amps. My favorites at the moment opa1642 and this one opa1656. com with a TI insider involved. Sep 25, 2019 · The OPA165x operates over a very wide supply range of ±2. Jan 3, 2023 · An update from me. Eric Mo Intellectual 775 points Part Number: OPA2134 Other Parts Discussed in Thread: OPA1656, OPA134. 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. Would it also be possible to publish Watts used (at the outlet) while idle before the 10 minute energy reduction window kicks in? The OPA2156 is a new, high-performance op-amp from TI. 다이나믹스나 저음 깊이감 측면에서 거의 비슷하다는 느낌을 받았습니다. Home 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. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. 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? Facebook Reddit Mar 17, 2019 · Benefit is lower dc offset and less distortion also high open loop gain also superior stability. . Some people have more recently started using OPA1656, which are very good, although they are a little less authoritative in the bass. It's a killer OpAmp, and better suited to non-inverting buffer duties than the OPA1612/2211 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 The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. 5 metre cable at 33. 5V to 36V) on 3. The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. 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. alongside with some aliexpress el`cheapos for like 2 buck a piece instead of 7. the differences aren't huge, but big enough to make a change worthwhile. Mar 17, 2019 · Also pricing for 1000+ isn't really that expensive for opa1656, opa1602, opa1612. Apr 5, 2021 · The original amp has the OPA1656 and the other has the OPA1642. I think they are fine opamps other than that, and some revere their sound. 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. (or the 2156) The opamp has good phase margin and seems quite tolerant of sub-optimal layout. OPA1656 sounded worst, Muses 8920 sounded best. Also LME49860NA but I can't find them anymore. The specs on the opamp are really good, almost as good as the OPA1612 (and better in some ways that will be covered below). 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. Old op-amps such as the LF412 and TL072 are more than good enough for 99% of audio applications. 8 bucks for a genuine part. The different players sounded different. The knee in the OPA1656 noise curve is higher because the broadband noise of the OPA1656 is lower (2. 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). From what I know the OPA1656 is currently the highest-spec audio grade standard opamp that TI offers. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and Mar 17, 2019 · Azul headphone amp (BAF 2019) uses an OPA1611 + LH0033 composite. Vendor Feb 28, 2021 · The best sounding op amps for audio work. OPA1656: 3Mb / 42P [Old version datasheet] OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational Amplifiers REVISED SEPTEMBER 2022: 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 OPA 627 is well over price and is bass heavy and it’s not worth the price you pay for it The OPA1612 and OPA827 are much better than any of these but these are SOIC and you’ll need an adapter with experience soldering skills. I repeated measurements a few times, using sets of resistors: 1). But I really like the FET's in that position. Dual customzied solution will give unmeasurable distortion (possibly -180db). 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Jan 10, 2016 · He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. Sound is very good, especialy a voice but sometimes I hear a little distortions. common mode voltage that I've measured on any op amp. 5 V to 36 V) on 3. It'll deliver 75mA RMS into a 32 ohm load; that is 180 mW which is quite a bit greater than the rated maximum shown in post #162. Jul 4, 2009 · Level of transparency and detail retrieval are better compared to stock OPA1612 and few others I tried from LME/AD/OPA series. Two schematics in parallel and eight in parallel for both 1656 and 1642 were measured. 9nV/rtHz vs. Dynamics felt better, bass felt more defined and the upper midrange seems to have more air. The FET-input architecture achieves a low 2. Jul 4, 2009 · Here’s a great article comparing opa2156 CMO vs opa1612. 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. Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. --lme49722 lme4562 lm4562 opamp is very good sound ,higher ratings than opa2134 -but not as 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. 8nV/rtHz). 6 mA but I know I’m in the Op amp thread so I don’t want to take the thread off topic. 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. He gives strong recommendations for some applications and also caveats about ill-informed op amp rolling. Pin can be left floating or connected to any voltage between (V–) and (V+). Apr 6, 2020 · The OPA2134 is very ordinary, I consider it a side step to the NE5532. The Opa1612 is the audio version so they made the specs slightly worse. I felt a great improvement overall. Since I am not interested in the V6 Vivid Dual that it comes with. 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 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. But this time it's a bit more interesting. My understand if noise isn’t a problem the opa1656 is great alternative to the opa1612. Now they seems to have changed again to opa1612 in many places - maybe a suggestion to try ? I have tried ne5532, opa2604, lm4562 and opa1612 and I prefered LM 4562 in both Aiyima a07 and the tpa3251-based Aiyima a04. 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. Aug 24, 2012 · i tryed lme49722 opa2134 and opa1612 ,--. 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. Sep 27, 2019 · The OPA1656 operates over an ultra-wide supply range of ±2. It is sooo tooo solid I may try to find a pair of OPA1656. Other Parts Discussed in Thread: OPA1612, OPA828. Without scoping the outputs or measuring the DAC there's no telling if Oct 2, 2020 · I want to drive a non-inverting OPA1656 from the wiper of a volume pot -- which means a range of source resistance for the OPA1656 from 0 to <del>Rpot/2<del> Rpot/4. 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. Either IC would be a major improvement over those stock chips you mentioned. Is the difference in imaging clearly noticeable or just very subtle? I've been using mostly LM4562, except when I need a JFET opamp (high impedance inputs for example). The OPA1655 is the single channel version of the OPA1656. Transients are stronger, both rimshots of snare drum and big-band trumpets. Also the OPA1612 does have the highest quiescent over the other opamps we're talking about it will be the hottest. 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, Frequency (Hz) Voltage Noise Density (nV/ Hz) 1 10 100 1000 10 100 1k 10k 100k OPA1 Electret Microphone Microphone Cable + ± 5 V OPA1671 Output 10 µF 10 µF 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 4558 vs 4580 OpAmp — big enough difference to worry Jun 5, 2023 · I have used the OPA1612, AD797, LT1115, OPA1642 and OPA1656 in phono/analog preamp stages for a while now and have conducted extensive listening tests, sometimes double blind, sometimes blind, sometimes as just an unannounced "impartial" observer to listening/comparison/"shoot out" sessions. You usually don't get 40V supply capability on such a process. I have settled on 4x OPA1656 in my Burson headphone amp and 4x OPA1655 in my Ayon DAC. 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. Mar 17, 2019 · The OPA1641 would be slightly better. 9nV/rtHz as opposed to 3. Feb 17, 2023 · Hello, guys. It outperforms most other opamps, very low noise & distortion, doesn't color the sound whatsoever. May 9, 2023 · Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. 5). 3 MHz. Currently, I require opamps in the DIP package. Given these characteristics, there is a solid use case for my bedtime music sound profile (which can take quite few hours of listening each night)! 1656 is in my newly designated relaxation & sleeping tube preamp which I can just swap in anytime. This feature accommodates the power supply constraints of many types of audio products. 10 kOhm - 10 MOhm Set 1 produces no visual deviation at all. 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. Dec 28, 2018 · I would like to see the OPA1656, a burr brown sound plus chip. 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. Aug 3, 2024 · It's really nice Buckeye has the gear on hand to make these kinds of judgment calls (OPA1612 vs OPA1656) before production. I's latest offering, the OPA1656. 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). 1F X7R on the backside with the shortest possible lead length. He does test the TL072 against some more modern ones, but not the OPA1612 due to there being no DIP version I think. Soundstage and placement felt more solid. Jul 4, 2009 · The Opamp thread | Page 439 | Headphone Reviews and Part #: OPA1656. CMRR is not a big issue. 5 MHz LM4562, 55 MHz OPA2134, 8 MHz A 1 metre cable with polyethylene dielectric has its first resonance at 50 MHz, a 1. com チョイラボその8 - Choi LABO - FC2 However it draws quite substantial current when idle. 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 May 21, 2020 · 이전에 사용했었던 opa1656에 비해 큰 개선까진 없었습니다. At this point noise and ultra low noise supplies might be the last area I should put more effort into for this interface. 1 kOhm - 1 MOhm 4). ••• Mar 17, 2019 · The OPA1641 would be slightly better. TI has characterized the THD vs Rs for a lot of its recent devices, but alas not the OPA1656 (at least that I could find). 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. Dear all, aiming to keep THD+N figures constant over the audio frequency range. 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. I've had the Burson V5i, and the V6vivid and I have no space to put a sparkos labs opamp single or dual channel. Dec 10, 2021 · This is my first time doing anything DIY with 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. NE5532 is a very good amplifier especially for the price ($0. 1/f corners: OPA1612 ---- 10 Hz OPA1642 ---- 20 Hz OPA1656 ---- 1 kHz OPA2162 ---- 1 kHz It also looks like the OPA1642 and OPA2162 are not happy driving 600 ohms, but the 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 Other Parts Discussed in Thread: OPA1656 请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。 Jul 3, 2019 · Opa1612 and LM4562/LME49720 are both good. Total Noise of OPA1656 vs OPA1612. 144dBc=0. 10 Ohm - 10 kOhm, 2). Any futher recommendations? my favs 1642/1656, 1612, lme49720na 2xopa627bp, ••• The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. May 10, 2022 · You don't have to use SA, distortion level obvious on oscilloscope screen. I used 10 or 12 in my preamp rolling project - never a problem with OPA1692 data sheet, product information and support Jun 5, 2023 · After working with some OPA1612 on my recent Topping PA5 D01 Module replacement project (at ASR), a friend sent me a few OPA1612 opamps he ordered when they were in stock since i couldnt get them anywhere. Also they are very hot. Mar 17, 2019 · I doubt that the OPA1656 is made on a jellybean CMOS process. (If I am not wrong OPA1656 is a really modern OP Amps from March 2019 vs 2017 for the OPA1692). The Texas Instruments OPA1656 has a specified temperature range from –40°C to +125°C and is offered in an 8-pin SOIC package. ••• Feb 17, 2023 · The OPA1622 is a slow device compared to the OPA1612/OPA1656. 9038 recomendation is OPA1612, OPA1656 TI’s LME49860 is a 2-channel, 44-V, high-fidelity, high-performance audio op amp. 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. May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. OPA1611, OPA1612 www. Download. I had no oscillations or instability with the OPA1656. 7 of OPA1612 datasheet) Feb 11, 2021 · I think the problem I'm seeing with the OPA2156, and to a lesser extent the OPA1656 is that the 1/f knee for the noise is much higher than for the OPA1612 and OPA1642. It offers exceptional performance in almost any audio application. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. Thread starter forami; Start date 2022-05-15 10:48 am; Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. 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, Jan 27, 2024 · OPA1656 instead of OPA1612 by thuanth » January 27th, 2024, 2:57 pm I'm thinking of building a couple of a24 boards and want to try T. It's best use as an alternative to opa1612 when noise is not a big concern. Jun 8, 2023 · The OPA1656/1655 released after the OPA828 are also excellent enough to dispel the image of past CMOS input. OPA1612 is very low noise but have a rise in distortion when driving 600 ohm as voltage Jan 19, 2023 · - LMP8672 (probably discontinued) - OPA1612 (which is barely available in SOIC8 at the moment) - ADA4898-2 - OPA1656 (if the circuit around it is right, it performs like opamps which are much more expensive, because of the FET Input stage it doesn't produce so much noise even with higher resistor values on its inputs) - AD8599 ( not a very fast opamp but therefore it is easy to get it stable Mar 17, 2019 · OPA1656 rolling I tried in all cases to bypass the rails with a 0. Transparency got way better. Page: 42 Pages. 1 nV/√Hz noise density with an ultra-low distortion of 0. But that does not say anything about the SQ. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. 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 Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). Now I use OPA1612 for i/v and LPF, distortion is gone but sound is flat. ah so much other untested opa's 1678 still on my list ina1620. I am planning to replace the NE5532 in my Burson Funk with the OPA1656. The op amp offers a temperature range of -40°C to +125°C and is available in an 8-pin SOIC package. 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. Two cases were evalutated – in a Jul 4, 2021 · The article linked below isn't the be-all and end-all on op amps tests, but very informative. Facebook Reddit Pinterest Tumblr WhatsApp Email Sep 17, 2023 · I was using opa1656 with fosi v3 ever since I got the uni. ti. It's a virtually unknown chip as when you search on Digi-Key it doesn't come up as soundplus. Home. Apr 30, 2021 · Normally you'd regularily search in the manufacturers new product listings first for any new interesting products. It has the most stable input capacitance vs. 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! Mar 5, 2018 · System: Equitech 1. But I would still like to see the OPA1656 tested. 25 V to ±18 V (4. Normally, that's not newsworthy because higher performing parts are coming out all the time. lxelwx nhzm vhdnl zbsg gpoi lhvdb yfawcc wjrq bfdrgk jcxn