Opa1612 vs opa1656 sound quality. Oct 15, 2014 · Texas Instruments' OPA1612 (dual) bipolar-input operational amplifier achieves very low 1. Running higher signal voltages through OPA1656 or 1612, for eg. [] The performance of the CMOS audio op amps is actually fairly close and maybe slightly better than the OPA627, which was somewhat famous for its performance in this use case. There is no practical audio program material which will have 24dBu (which is what 17. What else, maybe cleaner more resolved sound at congested parts. So far I don't hear any harsh sibilants (very clean) but it is virtue of my speakers. The FET-input architecture achieves a low 2. The Opa1612 is the audio version so they made the specs slightly worse. 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. I would not classify the OPA1656 as a high speed amp in this context. Sound is very good, especialy a voice but sometimes I hear a little distortions. The OPA1652 and OPA1654 op amps offer rail- OPA1612 achieves this flatness of THD+N curve , eg in inverting mode G=-1 (Fig. In note slyt630. 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 Part #: OPA1656. Part #: OPA1656. Since I am not interested in the V6 Vivid Dual that it comes with. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. Apr 10, 2019 · OPA1656 is positioned for audio applications: low noise and really good THD (-131dB) and high output current (100mA), but still needs a series resistor to drive capacitive loads unfortunately. There are many reviews of audio hardware and expert members to help answer your questions. Mar 17, 2019 · The OPA1641 would be slightly better. 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. 6 fa/rtHz broadband current noise. The recent swap I did was from opa1656 to opa1612 in the v3. Mar 17, 2019 · Many high-end audio manufacturers still use THT technology and avoid SMD at the sound-relevant points. Find parameters, ordering and quality information Apr 30, 2021 · Normally you'd regularily search in the manufacturers new product listings first for any new interesting products. This device features excellent output current drive capability, offering rail-to-rail output swing to within 250 mV of the power supplies with a 2 kΩ 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. Find parameters, ordering and quality information 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). I did check OPA1656 in voltage regulators and didn’t like elevated LF noise (compared to JFET opamps). TI’s LME49860 is a 2-channel, 44-V, high-fidelity, high-performance audio op amp. 4nV/rtHz both flat. Would you recommend your OPA1656 for this task, or the OPA1642 (i'd be using SOIC to DIP adapters as the older TL072's are in DIP IC sockets). Would it also be possible to publish Watts used (at the outlet) while idle before the 10 minute energy reduction window kicks in? OPA1692 data sheet, product information and support Texas Instruments OPA1612 Series Audio Amplifiers are available at Mouser Electronics. Jul 3, 2019 · WANTED: Happy members who like to discuss audio and other topics related to our interest. Mar 17, 2019 · Benefit is lower dc offset and less distortion also high open loop gain also superior stability. May 23, 2018 · The first time I did test with opa1642 opa2156 (precision opamp version of opa1656) opa1612. Jul 5, 2006 · SQ was about the same as other ESS-based dacs in that class. File Size: 611Kbytes. The applications that slew rate limiting is important to take into account is using the device in non-audio applications. The OPA1612 offers rail-to-rail output swing to within 600 mV with a 2 kΩ load, which increases headroom and maximizes dynamic range. 9038 recomendation is OPA1612, OPA1656 Part Number: OPA1612 Other Parts Discussed in Thread: OPA1622, OPA1688 Hello, I am considering the OPA1612 as a headphone driver replacement for JRC2114. How much does T. I still have some channels of 2068 with old caps, so can A/B and the difference is shocking in a very good way. See attached, Jan is using the opamp for his project MRK 3 input box (input attenuation & gain) prior an ADC for measurement purposes :redhot: Currently it is not clear, how the measurement (customer) setup was really May 19, 2017 · Something better than the LM4562? 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. ->Software Crossover EKIO->Multi-Channel OKTO DAC8PRO->multiple amplifiers->direct to SP drivers of fully renovated YAMAHA NS-1000 (not NS-1000M!)+FOSTEX T925A (L&R)+YAMAHA YST-SW1000 (L&R): ACCUPHASE E-460, YAMAHA A-S3000, A-S301, SONY TA-A1ES, ONKYO DAC-1000, OPPO SONICA DAC, KORG DS-DAC-10 , IEC 60268 The OPA1611 (single) and OPA1612 (dual) bipolar-1• Superior Sound Quality input operational amplifiers achieve very low • Ultralow Noise: 1. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Apr 21, 2019 · vs Burson V6 Classic. 3nV/rtHz) and distortion (-124dB), wide bandwidth (22MHz) audio op amp. Feb 28, 2021 · The best sounding op amps for audio work. Mar 17, 2019 · The good news is that in audio, impedance levels are relatively low so parasitics need to be larger to have a bad effect, and most audio opamps are not really high speed. (If I am not wrong OPA1656 is a really modern OP Amps from March 2019 vs 2017 for the OPA1692). Reactions: Euphonic_employee , Xulonn , Speedskater and 5 others Mar 17, 2019 · The OPA1641 would be slightly better. 2. Both fet based opamps sounds a little bit more solid in the bass (not quantity but the imaging and the texture). com In no case did I have too high expectations regarding the sound Mar 17, 2019 · Again, it's the circuit topology that is the most important to get the best sound out of any op-amp. And this preamp sounds MUCH better than Audio Research, Burmester and Accuphase preamps costing above €10. 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. May 10, 2022 · Many audio opamps have GBW of 10 to 20MHz or so, so at a gain of 1000 the bandwidth will have dropped to 10--20kHz - completely inadequate for audio. com/blogs/news/opa2156-hifi-in-cmos. May 6, 2022 · Opamp better than OPA2604 with big soundstage, and 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. 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. 1 nV/√Hz noise density with an ultra-low distortion of 0. com チョイラボその8 - Choi LABO - FC2 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. Also they are very hot. I also have both the OPA1642 (FET-input) and the OPA1612 (bipolar input) in stock and I think these would be interesting candidates as well. Also, a LME49720HA that costs 5 times as much as the PDIP or SMD version should also be interesting in terms of cost calculation. Together will make a really good composite amplifier, I will try this application at some stage. 000. The question is rather moot anyway. Years ago the MUSES 01 was $35 in Japan and it was at the time way ahead of it's time. Click to expand Well I actually did more extensive measurements in more applications. Feb 11, 2021 · looks very similar to the eighth image from post #2 of Bel Canto's S300i/S300iu - driven by dual mono Icepower amplifier modules with switch mode power supply - go to Inside the Bel Canto S300i integrated amplifier | Audiokarma Home Audio Stereo Discussion Forums and Bel Canto e. Sep 25, 2019 · Texas Instruments OPA165x Ultra-Low-Noise Audio Operational Amplifiers are designed specifically for audio and industrial applications where maintaining signal fidelity is crucial. 75V peak corresponds to) at 20kHz. Everything that I wrote here are “IMHO” and as is. I haven’t tried it for audio as outright replacing JFETs with CMOS looked like blasphemy to me. PRODUCTION DATA. 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. - Page 2 Jul 4, 2021 · This doesn't look like a high quality pcb and it would be easy to lift traces. For the case of • Professional audio mixer/control surface • Guitar amplifier and other music instrument amplifier • A/V receiver • Bookshelf stereo system • Professional audio amplifier • DJ equipment • Turntable • Special function module 3 Description The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio Part Number: OPA1656 Other Parts Discussed in Thread: OPA2134, OPA2604 The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. thermal noise (below for 1656): This shows that no matter the source resistance in the OPA1656, the noise will be dominated by the thermal noise of the source resistance above ~400 Ohms. Mar 17, 2019 · As compared with the OPA1656 which is 24V/us. 1 nV/√Hz at 1 kHz 1. I expect to sell of the OPA1656 ? 10 million ? 100 million ? I would like to replace the RC4558 Nov 30, 2021 · Stability should be considered especially with the wider bandwidth of the OPA1656. I did not get paid for saying something good or bad. The OPA165x Op Amps offer a FET-input architecture that achieves a low 2. We add the following graph below to our audio device data sheets to show at what impedance the noise will be dominated by input current noise*source resistance vs. Find parameters, ordering and quality information 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 OPA1612-Q1 SoundPlus High-Performance, Bipolar-Input 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 Nov 8, 2023 · New Aiyima A07 MAX Amplifier - Small Footprint, Good Sound OPA1612 Dual OPA DIP8 (Unit) Dec 7, 2023 · share a test between OPA1612 and OPA1656 3e Audio | E nhanced design, E xceed the edge, E njoy sound with passion. >100mA output current. Old op-amps such as the LF412 and TL072 are more than good enough for 99% of audio applications. 000015% at 1 kHz. 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. 7 of OPA1612 datasheet) Audio crossover network: Overall noise figures may benefit from higher internal signal voltages (Douglas Self: "The Design of active Crossovers"). Feb 17, 2023 · Hello, guys. OPA1612 is open sounding but is a little warmer possibly because of the lower midrange roundness. I’m going to solder the IC to a soic to dip adapter then plug it into the the amp. Today, I still have the same 2020 amplifier and the opa1656 sound much, much better at a fraction of the cost. It's best use as an alternative to opa1612 when noise is not a big concern. 9nV/√Hz voltage noise density and 6fA/√Hz current noise density. Dec 28, 2018 · Chiba Prefecture, Japan: Windows 11 Pro 64 bit Audio Dedicated DIY Silent PCs, JRIver, etc. But that does not say anything about the SQ. TI’s OPA1656 is a SoundPlus™ ultra-low noise and distortion, Burr-Brown™ audio operational amplifier. Details are better on the SS360x while Bass may have had slightly better slam on the Classics. 3V inside of each supply. You really don't want a tl072 dealing with 20mA into such low impedances. It would cost some serious cash to get 8 channels of this quality. pdf (sorry, pasting the address makes a huge link) you use a ~50 ohm isolation resistor. Mouser offers inventory, pricing, & datasheets for Texas Instruments OPA1612 Series Audio Amplifiers. TI’s OPA1662 is a Dual SoundPlus™ low noise (3. Opa1656 has good phase response at high frequency. It offers exceptional performance in almost any audio application. Find parameters, ordering and quality information Mar 17, 2019 · OPA1656: High-Performance CMOS Audio Op Amp. tnt-audio. File Size: 3MbKbytes. Now I use OPA1612 for i/v and LPF, distortion is gone but sound is flat. 1 nV/√ Hz at 1 kHz; Ultralow Distortion: 0. Craig Jul 4, 2009 · Here’s a great article comparing opa2156 CMO vs opa1612. The OPA1611 and OPA1612 Apr 8, 2021 · LEAF Dual 9038Q2M VS Gustard X16 pictures inside Mar 17, 2019 · I am excited to see if anyone wants to try to use it for audio I am working on an audio reference design using the DAC11001A that I hope to release on the web in the next few months. Mar 17, 2019 · A quick snapshot of the OPA1656 performance specs: 2. The OPA1611 (single) and OPA1612 (dual) bipolar-1• Superior Sound Quality input operational amplifiers achieve very low • Ultralow Noise: 1. Page: 42 Pages. The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. com with a TI insider involved. These sound great and outshine many of the other modern high performance audio opamps out there today. 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. 00005% at 1 kHz. The do sound nice, quite a gentle fairly balanced clear sound but are a little light on the bass for my taste but they do shine in the vocals especially female and good highs. Mar 17, 2019 · When we developed the OPA1656, this was also a major design target [] This article shows the measurements I took on the OPA164x family. Dec 9, 2019 · However they measure and perform worse than SOTA audio ICs like lme49720, opa1612, opa1656 etc. Sep 14, 2021 · Resistor Sound Quality Shootout. The output swing for Aol should be considered as it is different between the two devices. 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. 000035% (-129 dB) at 20 kHz and improves audio signal fidelity across the full audio bandwidth. Also audio opamps may have enough input offset voltage to saturate the output for such high gains - if the input offset is +/-3mV and the gain is 1000, the output offset is +/-3V, or maybe much 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. Also FWIW, the 1820m with OPA1656 in it hasn't been recapped yet but they chart to still be reasonably healthy. ••• More options. It's a killer OpAmp, and better suited to non-inverting buffer duties than the OPA1612/2211 Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). LME49720 vs OPA1612 vs Apr 5, 2021 · The prototype here is made with an OPA1656 dual opamp and the initial impression is that I was on to something with this idea, because it does sound very good. The OPA1611 and OPA1612 Jul 4, 2009 · The Opa1656 has a much wider and better soundstage. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Sep 27, 2019 · The high bandwidth and high open-loop-gain design of the OPA1656 provides a low distortion of 0. Standard opamp for that has pretty much become OPA1612. I must test muses now. Mar 5, 2018 · A comprehensive comparison between OPA1612 and OPA2156 (and other opamps) could be read here: https://quantasylum. Jun 7, 2016 · Sound Quality Disclaimer: 1. . So I don't think there is a singular correct May 15, 2022 · LME49720 sound is boringand too light. I don't care about listening tests or something else, just want to use the technical better one in my amp. Is the OPA1656 the correct opamp to use? I heard it was the best so that’s why I picked it. 5 metre cable at 33. edit: looking closer at the pics, the I/V resistors are 390R (about half the datasheet values, which makes sense as they // the outputs). The OPA1611 and OPA1612 Jul 4, 2009 · The Opamp thread | Page 439 | Headphone Reviews and • Professional audio mixer/control surface • Guitar amplifier and other music instrument amplifier • A/V receiver • Bookshelf stereo system • Professional audio amplifier • DJ equipment • Turntable • Special function module 3 Description The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for 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. I routinely use OPA1656 and related on adapters without any issues. 00005% at 1 kHz Feb 11, 2018 · Two cases were evalutated – in a Breeze Audio AK4495 based DAC, driving a ATHA5000 amp (listening via Beyer T1’s), and then driving a Grado RA1 clone (basically a CMOY circuit) to hear the amp character more closely through a set of Senn HD800. r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. Description: OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational Jun 8, 2023 · I read that many like OPA1656/1655 very much. 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. Are there any other 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. common mode voltage that I've measured on any op amp. 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. Download. 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. Opa1642 sounds a bit smoother and silky at top end but a little bit fat in the mids. I's latest offering, the OPA1656. Dec 10, 2021 · This is my first time doing anything DIY with audio. He discusses the Sallen and Key High Pass filter in this book and also the distortion. Feb 10, 2024 · Fosi Audio ZA3 Amplifier Review Feb 11, 2021 · The subjective sound is incredible. Share. 5 MHz LM4562, 55 MHz OPA2134, 8 MHz A 1 metre cable with polyethylene dielectric has its first resonance at 50 MHz, a 1. 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 Mar 14, 2010 · Overall balance with new amp is a little darker but with better transients. Sep 6, 2023 · The whole point in following this passion is to experience difference in sound, atleast to me If you are really interested in checking it out, you are whole heartedly welcome to try swapping em. It made a difference in sound and I'm not gonna deny that. 9nV/rtHz broadband voltage noise. Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). Mar 17, 2019 · Hi JohnC: I found this thread last night as I was going down rabbit-holes looking for newer op-amps to replace TL072's in a professional audio device that has about 18 of them in each channel. Shameless plug I just highlighted the OPA1656 in my latest application note. 1nV/√Hz Noise, Low THD and Precision. Composite amplifier is one of the best application with opa1656. 53 MHz gain bandwidth product, 24V/us slew rate. 9nV/rtHz vs. My understand if noise isn’t a problem the opa1656 is great alternative to the opa1612. 1-nV/√Hz noise density with an ultralow distortion of • Ultralow Distortion: 0. It could sound pretty good, but one could get sound just as good from IC opamp designs. This is a straight-to-the-point review, so don’t expect a long, detailed review on the sound quality. OPA1656 sounded worst, Muses 8920 sounded best. This is based on my experience with the V5i-D. Desire to learn and share knowledge of science required. One S300iu integrated amplifier | Stereophile. Description: Ultra-low-noise, low-distortion, FET-input, Burr-Brown audio operational amplifier. 5-nV/√Hz noise density with an ultra-low distortion of 0. CMRR is not a big issue. He is interested in how such an operational, with 150db open loop amplification, has a small ringing at an amplification of (-) 1. It is a bit of a science project, but I am seeing nice audio performance and I am using John's opa1656 as the primary output buffer. The OPA1656 immediately raised my attention, plus there was/is a long thread about it on diyaudio. I am planning to replace the NE5532 in my Burson Funk with the OPA1656. OPA1656 TI’s OPA1612 is a SoundPlus™ Audio Operational Amplifier with 1. I prefer the opa2211 over the opa1612 (same chip but with less better specs). Our primary goal is insightful discussion of home audio equipment, sources, music, and concepts. Reactions: activewire , Overseas , Hayatepilot and 4 others The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. Show hidden low quality content Chip Amps. Superior Sound Quality; True JFET Input Operational Amplifier With Low Input Bias Current; Low Noise: 5. It has the most stable input capacitance vs. This made it a pretty minimalistic set-up to get a close view of the opamp differences. The OPA1611 and OPA1612 Dec 30, 2023 · I don't have the books you mentioned but I do have a book called Small Signal Audio Design by Douglas Self. -131 dB THD+N at 1kHz, 600 ohm load, 3. I too find that the OPA1612 and OPA1642 are fantastic upgrade/replacements in a whole lot of professional and consumer audio gear out there equipped with comparatively outdated opamps. 5Vrms signal, 80-kHz measurement bandwidth. Overall, don't recommend opamp rolling. According to the TI datasheets OPA1612 has less noise than OPA1656. Classics are a bit warmer while SS360x is a bit brighter presentation. May 9, 2023 · Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. I have diyinhk es9038pro board and try muses8920 for i/v and LPF. Thread starter SinGun; Start date 2021-09-14 1:05 pm; (OPA1656) and buffer stage (OPA1656 or OPA1612) with the volume pot (TKD Mar 17, 2019 · OPA1656 is less noisy than the OPA827, 2. The OPA1611 and OPA1612 • Audio Effects Processors • Musical Instruments • A/V Receivers • DVD and Blu-Ray™ Players • Car Audio Systems 3 Description The OPA1652 (dual) and OPA1654 (quad) FET-input operational amplifiers achieve a low 4. For example, Aol for the OPA1656 with a 600 ohm load will have a linear output swing that is 1. The V6 classic was a bit slower on the attack than the SS360x which gave it a bit smoothed over sound compared to the SS360x. Page: 23 Pages. Feb 11, 2021 · Member. Some people have more recently started using OPA1656, which are very good, although they are a little less authoritative in the bass. The OPA1611 and OPA1612 The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. 7 pA/rthz) will multiply with the pickup resistance (varies quite a bit, say typical is 10 kOhm) to become the I have my A04 equipped with a pair of Oracle 02 op amps which apparently have been torn down by an Ali express customer and found to be an modded opa1612. 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! • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. Vout= 8V(rms). I'm with Jim here. The OPA1656 has very good THD + N. Aol Mar 17, 2019 · As the open loop output impedance shows, OPA1656 appears to have an output stage similar to OPA1611 (2) which is involved with partial driving current. 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. 3 MHz. At least, OPA828 has proper JFETs at input. dpvzst ugos yfcavs hrtc rapez oxxdv bgey wvjne avgia pwjn
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