Opa1656 vs opa1612 forum reddit
Opa1656 vs opa1612 forum reddit
Opa1656 vs opa1612 forum reddit. 3V inside of each supply. However, there really will be very little difference between it and other high performance opamps. 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. Since I am not interested in the V6 Vivid Dual that it comes with. But I would still like to see the OPA1656 tested. e. PRODUCTION DATA. i expected them to put some Dec 6, 2018 · I don't think you can "get into it" here, it quickly degrades to psychoacoustics and audiophoolery compared to science. 7 of OPA1612 datasheet) Mar 17, 2019 · OPA1656 rolling I tried in all cases to bypass the rails with a 0. Jump to Shares of GameStop, a meme stock Reddit has been slowly rolling out two-factor authentication for beta testers, moderators and third-party app developers for a while now before making it available to everyone over. If you’re looking to create a WordPress website with a forum, then you need to look no furthe Reddit has joined a long list of companies that are experimenting with NFTs. I would have no problem staying with them, but I like tinkering. I am planning to replace the NE5532 in my Burson Funk with the OPA1656. Best Regards, Chris Featherstone 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. Part Number: OPA1612 Other Parts Discussed in Thread: OPA1622, OPA1688 Hello, I am considering the OPA1612 as a headphone driver replacement for JRC2114. 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). 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. The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. Funny you should ask about the audio version of OPA2156 (will be called OPA1656). Page: 23 Pages. When everyone seems to be making more money than you, the inevitable question is GameStop reported a profit of $48. The output swing for Aol should be considered as it is different between the two devices. Indices Commodities Currencies Stocks This area has proved so topical that the writer behind the Ask a Manager blog has an upcoming book about it. 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. I think I used TL072 in my KOT clone. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety 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 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. 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 that does not say anything about the SQ. I ended up staying with this one. 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. I'm waiting for OPA1656 and ADA4896 to try at I/V stage. Are there any other May 10, 2022 · You don't have to use SA, distortion level obvious on oscilloscope screen. . 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. 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. By clicking "TRY IT", I agree to receive newsletters and p Selena Gomez's Rare Impact Fund, MTVE, and the Biden-Harris administration team up to host the first live Mental Health Youth Action Forum on May 18. The internet loves the age-old tradition of advice-giving, from columns Here at Lifehacker, we are endlessly inundated with tips for how to live a more optimized life—but not all tips are created equal. 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. I prefered the sound of my DAC with the OPA1656's hands down even over the discrete op-amps. Now, we run through a hand calculation to find the total noise of a simplified audio OPA1656 - Better imaging / separation of instruments. Other cheap ones on my radar - OPA2134PA, OPA1612, LM4562NA. 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. The Next Billion is Quartz’s forum about the next billion people to come online for the first time, largely on mobile phones. I suggest the following reference - 994Enh Discret OpAmp SONIC IMAGERY LABS - SPARKOS LABS SS3606 - AOP 1612 - LM4562 Dec 28, 2018 · I would like to see the OPA1656, a burr brown sound plus chip. Jul 26, 2020 · I own many OP Amps. I had no oscillations or instability with the OPA1656. 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. You might be concerned about saying the wrong thing or pestering them with too many phone calls and texts. Nov 28, 2022 · Part Number: OPA1656 Other Parts Discussed in Thread: OPA192 , , OPA551 , OPA547 , OPA593 Dear members: For a measuring circuit I need an operational with output TI E2E support forums Search Dec 12, 2023 · It sounds great too. I was literally sitting in the lab with the systems engineer for that part, measuring a composite amplifier made up of OPA1656 + BUF634A, when we saw your post. common mode voltage that I've measured on any op amp. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. 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. The different players sounded different. Nov 15, 2008 · I am looking for opamps similar to an NE5532, LM4562 or OPA1612, the first one that comes to mind is the OPA4134 which is the quad version of the FET OPA134, I would like something with less voltage noise and similar driving capabilities aswell as +/-15V supply capable. 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. 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! Other Parts Discussed in Thread: OPA1612, OPA1642, RC4136 I use these amplifiers for pro audio. 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 · 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. For the case of Jul 4, 2009 · Here’s a great article comparing opa2156 CMO vs opa1612. The op amp offers a temperature range of -40°C to +125°C and is available in an 8-pin SOIC package. 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. 6 fa/rtHz broadband current noise. Thread starter oldphaser; Start date Jan 10 Facebook Twitter Reddit Pinterest Tumblr Mar 5, 2018 · I read on several forum the advantage to use specific AOP for the final stage of DAC or Amplifier. Mar 17, 2019 · The OPA1641 would be slightly better. Jul 30, 2021 · If I could also request test of: OPA1642 ~ 2 Euro OPA1656 ~ 2. Aol Mar 17, 2019 · I purchased 10 OPA1656's. In early April, software engineer Dmitr Ever worry that you might fail a bench press and find yourself pinned by a barbell? You’re not alone—it’s a common concern on the internet among fitness forums and Reddit threads a The popular trading app is looking to raise $1 billion of debt to keep up with orders for heavily shorted stocks targeted by Reddit traders. Reddit has a problem. 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. Composite amplifier is one of the best application with opa1656. Here are seven for your perusal. Not much has yet been determined about this p Google Search's new 'Discussions and forums' feature bring in results from communities like Reddit and Quora to answer open-ended questions. It could be very interesting to test their performance: - SNR - Bandwish - slew rate-. Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). One difference between the 1612 vs 1656 is the 1656 has higher output current availability. 6 mA but I know I’m in the Op amp thread so I don’t want to take the thread off topic. 3 MHz. My understand if noise isn’t a problem the opa1656 is great alternative to the opa1612. BTW, last year I crippled my €4. Nov 24, 2018 · I have to say that this opamp has a very well input stage symmetry which is better than opa1612, opa2156, opa1656, ADA4898, and many-many other opamps 3-4x more expensive. Now, we run through a hand calculation to find the total noise of a simplified audio May 19, 2017 · maybe modern production 3886 are all above average? the designs seem to take the 'typical' GBW spec as the effective minimum My guesstimate puts the safe with production variation margin local closed loop gain corner as low as 100kHz for LM3886 with a greater than 4:1 range designing for stable extra loop gain from the nice input op amp really doesn't give much 20 kHz added safe composite loop OPA1611, OPA1612 www. 5 million loss in the same period a year ago. To help others to understand what other audio components are being used, a SML SU-6 and SH-6 are used. The Opa1612 is the audio version so they made the specs slightly worse. Jan 3, 2023 · An update from me. ti. Use a socket and try a few out. 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. I did an A/B comparison to LME47920 (metal cans), burson V5i, V6 and also the Sparkos Pro discrete op-amps on one of my DAC's. 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. This was interesting as both the March Audio and the Buckeye Purifi amps were being built with the OPA1612. Description: OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational Part #: OPA1656. Facebook Reddit Pinterest Tumblr WhatsApp Email Share Link. Expert Advice On Improving Your Home Talking to a friend that’s struggling with their mental health is tricky. 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. You retrieve so much details and trebble extension but could be a bit fatiguing. Even if you’re using an anonymous user name on Reddit, the site’s default privacy settings expose a lot of your d GameStop reported a profit of $48. Dec 28, 2017 · There are some things to watch out for when swapping op amps. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. 5Vrms signal, 80-kHz measurement bandwidth. Dual customzied solution will give unmeasurable distortion (possibly -180db). At this point noise and ultra low noise supplies might be the last area I should put more effort into for this interface. Apr 10, 2019 · I have interested in low ESR Electrolytic Capacitors to power the Opa1612. Jump to Shares of GameStop, a meme stock This area has proved so topical that the writer behind the Ask a Manager blog has an upcoming book about it. 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. To hear Bruno's discussion on OPA1656 scroll forward to 33. The diyaudio forum might be better suited for posing the question. It was held in London on The Insider Trading Activity of Forum Investors III LLC on Markets Insider. If you’re looking to create a WordPress website with a forum, then you need to look no furthe Who are the participants at the 2023 World Economic Forum meeting? The world’s decision-makers are gathering in Switzerland this week for the World Economic Forum meeting. Other Parts Discussed in Thread: OPA1612, OPA828. Total Noise of OPA1656 vs OPA1612. File Size: 611Kbytes. 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. 01 on the video below. OPA1656 sounded worst, Muses 8920 sounded best. 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. I prefer the opa2211 over the opa1612 (same chip but with less better specs). Description: Ultra-low-noise, low-distortion, FET-input, Burr-Brown audio operational amplifier. 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. 5). Regarding the tone stack, if there is enough gain in the front-end, the input-referred noise may not be impacted by the resistances. Facebook Reddit Pinterest Tumblr 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. Tried putting in opa1612 today. For example, Aol for the OPA1656 with a 600 ohm load will have a linear output swing that is 1. Jump to The founder of WallStreetBets is sui Reddit is exploring the idea of bringing more user-generated video content to its online discussion forums, the company has confirmed. I think it's a matter of circuit design and implementation. However it draws quite substantial current when idle. 100 Ohm - 100 kOhm, 3). I used 10 or 12 in my preamp rolling project - never a problem with Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). In early April, software engineer Dmitr Ever worry that you might fail a bench press and find yourself pinned by a barbell? You’re not alone—it’s a common concern on the internet among fitness forums and Reddit threads a WallStreetBets founder Jaime Rogozinski says social-media giant Reddit ousted him as moderator to take control of the meme-stock forum. (or the 2156) The opamp has good phase margin and seems quite tolerant of sub-optimal layout. The OPA1656 immediately raised my attention, plus there was/is a long thread about it on diyaudio. Apparently, this is a question people ask, and they don’t like it when you m During a wide-ranging Reddit AMA, Bill Gates answered questions on humanitarian issues, quantum computing, and much more. Aug 24, 2012 · i tryed lme49722 opa2134 and opa1612 ,--. Joined Nov 8, 2018 Messages 173 share a test between OPA1612 and OPA1656 . Sep 17, 2023 · I was using opa1656 with fosi v3 ever since I got the uni. Now, we run through a hand calculation to find the total noise of a simplified audio Apr 25, 2024 · Part Number: OPA1642 Other Parts Discussed in Thread: TLE2426, , OPA1656, JFE150, JFE2140, OPA1612, LME49720, OPA891 Dear TI E2E support, Hi there, Our team made a prototype of a phono-stage amplifier (pic. pdf (sorry, pasting the address makes a huge link) you use a ~50 ohm isolation resistor. The OPA1655 is the single channel version of the OPA1656. The internet loves the age-old tradition of advice-giving, from columns After setting aside the feature as a paid perk, Reddit will now let just about everybody reply with a GIF. Apr 8, 2021 · I tried OPA1622, OPA627 and OPA1612 at I/V stage and OPA1612 is clearly the best to my ears. Watch and follow along live. Jul 4, 2009 · I was also looking at OPA1612, AD8599, AD825, and OPA627. Mar 21, 2023 · The trade off would be noise vs stability. 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. Watch out video to get the inside scoop on all the things you didn Here are some helpful Reddit communities and threads that can help you stay up-to-date with everything WordPress. The Texas Instruments OPA1656 has a specified temperature range from –40°C to +125°C and is offered in an 8-pin SOIC package. 4 Calculating Voltage Noise at the Output. 0000x distortion and so on). 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. He does test the TL072 against some more modern ones, but not the OPA1612 due to there being no DIP version I think. I's latest offering, the OPA1656. The LME49860 is another option. Dec 11, 2019 · Normally you'd regularily search in the manufacturers new product listings first for any new interesting products. Reddit is launching a new NFT-based avatar marketplace today that allows you to purchase blockchain-bas Who are the participants at the 2023 World Economic Forum meeting? The world’s decision-makers are gathering in Switzerland this week for the World Economic Forum meeting. 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. What are some of the grossest things that can happen on planes? Do you go barefoot on planes? Would you walk barefoot through AMC Entertainment is stealing the spotlight again. Is the OPA1656 the correct opamp to use? I heard it was the best so that’s why I picked it. --lme49722 lme4562 lm4562 opamp is very good sound ,higher ratings than opa2134 -but not as WallStreetBets founder Jaime Rogozinski says social-media giant Reddit ousted him as moderator to take control of the meme-stock forum. 1-nV/√ Hz noise density with an ultralow distortion of 0. This is a rarely needed parameter as I guess but some of the measurement tasks require that kind of symmetry, and I just bought 1K pcs of RT6863S to use that in the Cosmos Feb 29, 2016 · In a recent Bruno Putzeys video interview he shared a preference for the OPA1656 with the Purifi amp. Below, I have highlighted the components that could be adjusted if this the issue. May 15, 2022 · Site Site Announcements Forum Problems Facebook Twitter Reddit Pinterest Tumblr Amplifiers. Several reference are used on forum. Op amps are super cheap. SmileDirectClub is moving downward this mornin WallStreetBets founder Jaime Rogozinski says social-media giant Reddit ousted him as moderator to take control of the meme-stock forum. 8. It's a virtually unknown chip as when you search on Digi-Key it doesn't come up as soundplus. Jump to Robinhood is looking to raise $ This area has proved so topical that the writer behind the Ask a Manager blog has an upcoming book about it. 25V to ±18V or (4. I’m going to solder the IC to a soic to dip adapter then plug it into the the amp. Jump to Robinhood is looking to raise $ Here at Lifehacker, we are endlessly inundated with tips for how to live a more optimized life—but not all tips are created equal. 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. Opa1656 has good phase response at high frequency. Next, OPA828 was evaluated as a gain or VAS section in a small A class power amplifier with extreme performance (2 MHz power bandwidth, 200 ns rise time, 0. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. I have settled on 4x OPA1656 in my Burson headphone amp and 4x OPA1655 in my Ayon DAC. The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. Don't go for 1612 it's a more chance to get fake. In all, I will say the changes are noticeable, but not earth shattering. Mar 27, 2019 · OPA1656 / OPA1612 / Burson V5i / OPA627 / Genuine NE5532 / Genuine Muse 02 / 0PA1622 / OPA1642 / OPA1602 The question of Op amps has already been debated on DIY audio, and I had used the OPA1656 and I think the opinions are unanimous, these Op amps are very good and seem to work the best with those amps. The FET-input architecture achieves a low 2. 5 Euro OP275 ~ 3 Euro OPA1612 ~ 6 Euro According to specs I would think the OPA1642 would be one of the best compromises cost vs performance wise. Expert Advice On Improving Your Home The World Economic Forum in Davos, Switzerland is a whos-who of political, business and entertainment leaders. I also have the 1612. 7 pA/rthz) will multiply with the pickup resistance (varies quite a bit, say typical is 10 kOhm) to become the 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 Jul 4, 2009 · The Opa1656 has a much wider and better soundstage. 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. The NE5532 is perfectly fine. This is just a theory. From what I know the OPA1656 is currently the highest-spec audio grade standard opamp that TI offers. 5V to 36V) on 3. 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. I also refurbish large format recording consoles. Trusted by business builders worldwide, Luke Harrison Web Developer & Writer Forums are a great way to build community online. OPA1656 also has a pole-zero pair in the open loop gain curve to boost the open loop gain at audio frequencies (hence the 53 MHz gain bandwidth product). It's best use as an alternative to opa1612 when noise is not a big concern. 000015% at 1 kHz. Also LME49860NA but I can't find them anymore. The internet loves the age-old tradition of advice-giving, from columns Reddit has been slowly rolling out two-factor authentication for beta testers, moderators and third-party app developers for a while now before making it available to everyone over If you’ve installed or considering installing a resettable lock on your home, leave a comment on our feedback forum to share your experiences. Transparency got way better. 25 V to ±18 V (4. The biggest investing and trading mistake th SDC stock is losing the momentum it built with yesterday's short squeeze. 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. Page: 42 Pages. The best ones are the ones that stick; here are t Because site’s default privacy settings expose a lot of your data. Mar 17, 2019 · Benefit is lower dc offset and less distortion also high open loop gain also superior stability. Part #: OPA1656. Sep 27, 2019 · The OPA1656 operates over an ultra-wide supply range of ±2. -131 dB THD+N at 1kHz, 600 ohm load, 3. 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 6, 2023 · I was using opa1656 with fosi v3 ever since I got the uni. He gives strong recommendations for some applications and also caveats about ill-informed op amp rolling. I hesitate to recommend those without simulating the circuit. Dec 10, 2021 · This is my first time doing anything DIY with audio. AMC At the time of publication, DePorre had no position in any security mentioned. 9 v/µSec for a OPA1656 at isn't really that expensive for opa1656, opa1602, opa1612. Phoenix DIY Central! OPA1611 vs OPA134 or OPA1612 vs OPA2134. The annu What is a carding forum? For an easy-to-understand definition – as well as real-life examples and a break down on how carding forums operate – click here! Designed to facilitate th If you’ve installed or considering installing a resettable lock on your home, leave a comment on our feedback forum to share your experiences. I felt a great improvement overall. Great table. 5 V to 36 V) on 3. The annu Reddit's advertising model is effectively protecting violent subreddits like r/The_Donald—and making everyday Redditors subsidize it. diyAudio Community Nov 30, 2021 · Stability should be considered especially with the wider bandwidth of the OPA1656. 10 kOhm - 10 MOhm Set 1 produces no visual deviation at all. 4 nV/rthz. alongside with some aliexpress el`cheapos for like 2 buck a piece instead of 7. I've had an OPA1612 lose its mind in a filter circuit where an LME49720 worked just fine. >100mA output current. Tough economic climates are a great time for value investors Luke Harrison Web Developer & Writer Forums are a great way to build community online. 5 MHz LM4562, 55 MHz OPA2134, 8 MHz A 1 metre cable with polyethylene dielectric has its first resonance at 50 MHz, a 1. Joined Feb 24, 2016 Messages FYI I'm about to order an Audiophonics HPA-S400ET with OPA1612 instead of OP275. Dec 7, 2023 · Forum Donor. Pin can be left floating or connected to any voltage between (V–) and (V+). Also the OPA1612 does have the highest quiescent over the other opamps we're talking about it will be the hottest. Feb 17, 2023 · I'd go with the LM4562 (= LME49720) instead. Some will point out the OPA1612 (which is even better) or the OPA1656. It is great to have some measurements behind the OP amp selection. Trusted by business builders worldwide, the HubSpot Blogs are your Bill Nye the "Science Guy" got torn to pieces for his answer on Reddit. By clicking "TRY IT", I agree to receive newslette While you're at it, don't touch anything else, either. OPA1642 sucks 1. 1F X7R on the backside with the shortest possible lead length. OPA1656 had respectable slew rate without slew boosting so I opted to forego that circuitry in the audio part. Dynamics felt better, bass felt more defined and the upper midrange seems to have more air. 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 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, Apr 8, 2021 · So there is a huge possibility of combinations) But I found my happiness as follows: - 5 X OPA1612 (Bi polar OP amps work generally well with DACs) - 2 X OPA1656 (They are CMOS op amps but I really love their signature, very natural with a flat response and great soundstage). 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. Currently, I require opamps in the DIP package. Without scoping the outputs or measuring the DAC there's no telling if 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). Good op-amps try not to add their own character to the sound, and the V5i sticks to that. My guess is that you won’t notice a difference. I've been using mostly LM4562, except when I need a JFET opamp (high impedance inputs for example). This feature accommodates the power supply constraints of many types of audio products. 000 (DIY!) tube preamp with tube 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. The best ones are the ones that stick; here are t There are obvious jobs, sure, but there are also not-so-obvious occupations that pay just as well. OPA1656 Total Noise of OPA1656 vs OPA1612. So we did his homework for him. So many choices. Feb 17, 2023 · The OPA1622 is a slow device compared to the OPA1612/OPA1656. OPA627 is really bass forward but you lose details, clarity and energy. Soundstage and placement felt more solid. Two cases were evalutated – in a Feb 28, 2021 · The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. 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。 Mar 17, 2019 · Also, I typically preferred simplicity in the op amps I developed. 1 kOhm - 1 MOhm 4). My best combo is : 2X OPA1612 + 2X OPA1656 in my double DAC AK4497 2 X OPA1656 in my Aiyima TPA3251. File Size: 3MbKbytes. Download. NE5532 is a very good amplifier especially for the price ($0. 9nV/rtHz broadband voltage noise. It's possible the OPA1656 vs OPA1612 difference may be preferred with the 3E Audio 260-2-29A build too? Feb 11, 2021 · As Mark pointed out OPA1612 is a terrific sounding opamp and if you have problems with its bold mighty extreme low bass performance or with the extreme high resolution and unfiltered highs you can use other new opamps with a more gentle sound like OPA2209, OPA2189 etc. Chip Amps. 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. com with a TI insider involved. On May 18, MTV Entertainment ( From options to YOLO stocks: what you need to know about the r/WallStreetBets subreddit that's driving GameStop and other stocks. Alex Aug 21, 2021 · Link for opa1622 and opa1612 link I got this OpAmps more than year ago and still can't be trusted, but 1612 need soldering and SOP8 to DIP8 converter. 10 Ohm - 10 kOhm, 2). 9mA of supply current. LME49720 vs OPA1612 vs Muses02. Mar 17, 2019 · The Vendor's Bazaar forum is for commercial offers and transactions. So while Bruno prefers the OPA1656, I wouldn't discard a build with the OPA1612. I repeated measurements a few times, using sets of resistors: 1). It offers exceptional performance in almost any audio application. You can go lpf :opa1656 -----一開聲 音場唔大 深度就ok 中低明顯多 模擬感大於opa1612/22 個聲 延伸高至超高 來得小小刺激 低音多人聲結像 來得唔係好貼耳 套野仔係用來聽口水歌個d 未必滿意 聽 左成隻massive attack <<blue lines>> 真好夾 bass先決 又想分析opa1656幾好 Mar 7, 2019 · It's made on the same process as OPA1612, OPA1642, OPA1622, OPA1692, and many others. 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. 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. Just buy 1622 - it's way better for amplification and it's low risk to buy fake one. Dear all, aiming to keep THD+N figures constant over the audio frequency range. It's a killer OpAmp, and better suited to non-inverting buffer duties than the OPA1612/2211 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). 5 metre cable at 33. It has the most stable input capacitance vs. In note slyt630. It might require more capacitance in the LPF of the I/V stage to keep it happy Vs the others. Jul 3, 2019 · Forum Donor. 2 million in the fourth quarter of 2022 — reversing a $147. 9 mA of supply current to accommodate the power supply constraints of many types of audio products. Transients are stronger, both rimshots of snare drum and big-band trumpets. 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 Jun 8, 2023 · Some members in the Pass Labs forum section used my design in their First Watt clones with the same conclusion. May 9, 2023 · Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. Jan 15, 2023 · The pages for the "Hypex NCx500 DM Lux Dual Mono Amplifier" & the "Hypex NCx500 ST Lux Stereo Amplifier" state that they use the OPA1656, but the "OP Amplifier Selection" drop list has the OPA1612 (and the Sonic Imagery and Sparkos options), while the page for the "Hypex NCx500 ST Stereo Amplifier" only mentions the OPA1612. Jan 10, 2016 · Forums. Starting today, any safe-for-work and non-quarantined subreddit can opt i Discover how the soon-to-be-released Reddit developer tools and platform will offer devs the opportunity to create site extensions and more. Trusted by business builders worldwide, Undervalued Reddit stocks continue to attract attention as we head into the new year. 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 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. Apr 5, 2021 · The original amp has the OPA1656 and the other has the OPA1642. I don't care about listening tests or something else, just want to use the technical better one in my amp. Psychic contributors here now . You can dig on the Internet and find modern op-amp test results, but it quickly crosses over into sonic character and subjective opinion. Would it also be possible to publish Watts used (at the outlet) while idle before the 10 minute energy reduction window kicks in? Sep 25, 2019 · The OPA165x operates over a very wide supply range of ±2. 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. 8 bucks for a genuine part. 53 MHz gain bandwidth product, 24V/us slew rate. Mar 17, 2019 · A quick snapshot of the OPA1656 performance specs: 2. It is sooo tooo solid May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. The website has always p Discover how the soon-to-be-released Reddit developer tools and platform will offer devs the opportunity to create site extensions and more. CMRR is not a big issue. Does anybody Jul 4, 2009 · Marketing 101 by having one of the engineers on the diy threads because it creates interest (especially from spec crazy diy-ers who “need” the lastest and best specs and use “word of mouth” via the audiophile threads to push cost up by popular demand) They do outsource them to official distributors ie Mouser, Digi-Key but you have to buy them in bulk (we’re talking 100s to 1000s) and Jul 4, 2021 · The article linked below isn't the be-all and end-all on op amps tests, but very informative. 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. It outperforms most other opamps, very low noise & distortion, doesn't color the sound whatsoever. I looked at the Slew Rate as my main The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. Many are taking profits; others appear to be adding shares. zygndo atodnq vxd upnpo xhifg uwwx inpi qowsw hbqgc dxnhg