Opa1656 vs opa1612 vs opa16 forum

• Opa1656 vs opa1612 vs opa16 forum. 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. 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. Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. 6 fa/rtHz broadband current noise. Are there any other 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 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. 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. Great table. Jul 5, 2006 · SQ was about the same as other ESS-based dacs in that class. 5Vrms signal, 80-kHz measurement bandwidth. Best Regards, Chris Featherstone 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 28, 2017 · There are some things to watch out for when swapping op amps. Now, we run through a hand calculation to find the total noise of a simplified audio Feb 28, 2021 · The best sounding op amps for audio work. I suggest the following reference - 994Enh Discret OpAmp SONIC IMAGERY LABS - SPARKOS LABS SS3606 - AOP 1612 - LM4562 Mar 17, 2019 · The OPA1641 would be slightly better. Dynamics felt better, bass felt more defined and the upper midrange seems to have more air. Mar 22, 2022 · These are probably among the two highest of the best sounding dual opamps around today. OPA1656: 3Mb / 42P [Old version datasheet] OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational Amplifiers REVISED SEPTEMBER 2022:. discontinuities into the gm vs Vdif curve. OPA1656 Mar 17, 2019 · I purchased 10 OPA1656's. 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 Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). 7 of OPA1612 datasheet) Jun 8, 2023 · Some members in the Pass Labs forum section used my design in their First Watt clones with the same conclusion. Apr 25, 2024 · Little hiss noise still can be heard if turn up the volume to max level in both OPA1656 and OPA1642. 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 May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. For example, Aol for the OPA1656 with a 600 ohm load will have a linear output swing that is 1. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. I would like the OPA1656, but it is too small for my sight to solder them on the socket Mar 17, 2019 · OPA1656 rolling I tried in all cases to bypass the rails with a 0. 5). 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. But I would still like to see the OPA1656 tested. Seems to fit well. Description: OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational 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. 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. ••• Mar 5, 2018 · I read on several forum the advantage to use specific AOP for the final stage of DAC or Amplifier. But that does not say anything about the SQ. 3 MHz. Since I am not interested in the V6 Vivid Dual that it comes with. Transients are stronger, both rimshots of snare drum and big-band trumpets. 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. 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. 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. 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. S/N ratio is good but not excellent. OPA1656 sounded worst, Muses 8920 sounded best. Composite amplifier is one of the best application with opa1656. You should go with opa1612 all the way, in both i/v and filters once you're upsampling . I looked at the Slew Rate as my main Jan 10, 2016 · He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. The Texas Instruments OPA1656 has a specified temperature range from –40°C to +125°C and is offered in an 8-pin SOIC package. 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! May 15, 2022 · Buggle2 Riaa board. 1 kOhm - 1 MOhm 4). 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. 3V inside of each supply. Apr 8, 2021 · LEAF Dual 9038Q2M VS Gustard X16 pictures inside when we use opa1612 to translate difference input to single-ended output, the output is distorted, pls. I want to upgrade the current 4558 op-amps with better ones and the power switch supplied with the box with one with light. My understand if noise isn’t a problem the opa1656 is great alternative to the opa1612. 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. 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. 000. Pin can be left floating or connected to any voltage between (V–) and (V+). Just did an A/B with 2 opamp buffers on my Hypex NC500 monoblocks, which I normally use with no buffer, as the dac has enough gain to drive the NC500 modules direct. Apr 30, 2021 · Normally you'd regularily search in the manufacturers new product listings first for any new interesting products. 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. I am planning to replace the NE5532 in my Burson Funk with the OPA1656. It'll struggle a bit with 33 Ω load, though. I will measure the A07 output power and spectrum cleanliness with this power supply. If you 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. Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. 10 kOhm - 10 MOhm Set 1 produces no visual deviation at all. Several reference are used on forum. com with a TI insider involved. I have a 1988 carver stereo per-amplifier. 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. The Opa1612 is the audio version so they made the specs slightly worse. I use two OPA1656 in parallel in the HP-2. Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). I've had the Burson V5i, and the V6vivid and I have no space to put a sparkos labs opamp single or dual channel. It has OPA2604 buffer amps that many have replaced with dual OPA627BP's with good results. Standard opamp for that has pretty much become OPA1612. If you Part Number: OPA1612 Other Parts Discussed in Thread: OPA1622, OPA1688 Hello, I am considering the OPA1612 as a headphone driver replacement for JRC2114. The diyaudio forum might be better suited for posing the question. 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. 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. alongside with some aliexpress el`cheapos for like 2 buck a piece instead of 7. 1-nV/√ Hz noise density with an ultralow distortion of 0. 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 · I don't think you can "get into it" here, it quickly degrades to psychoacoustics and audiophoolery compared to science. I prefered the sound of my DAC with the OPA1656's hands down even over the discrete op-amps. May 2, 2020 · New Purifi Buffer in V2. Mar 28, 2022 · The OPA1656 can deliver 100 mA of output current, so it should be able to drive a headphone load. 10 Ohm - 10 kOhm, 2). 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 cannot recommend a 48V power supply because of the A07 internal temperature with the 48V PSU, in case I Apr 7, 2019 · Rs can be also in series with both RC which is a tiny bit better. File Size: 3MbKbytes. 0000x distortion and so on). OPA1612 is fuller sounding - especially lower midrange but also more dynamic. Two cases were evalutated – in a Mar 26, 2020 · For the change of OP, I have ADA4898 which are really excellent, have the qualities of OPA1612 and 1632. 53 MHz gain bandwidth product, 24V/us slew rate. 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. I don't care about listening tests or something else, just want to use the technical better one in my amp. Dec 10, 2021 · This is my first time doing anything DIY with audio. 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. This is just a theory. It appears that the OPA1611/2 have a lower noise voltage, wider bandwidth and higher slew rate than the OPA134 and OPA2134's. It offers exceptional performance in almost any audio application. Transparency got way better. I think it's a matter of circuit design and implementation. I repeated measurements a few times, using sets of resistors: 1). These sound great and outshine many of the other modern high performance audio opamps out there today. Now all the folks are using opa2134 op -amps as the replacement. Download. 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 Nov 30, 2021 · Stability should be considered especially with the wider bandwidth of the OPA1656. Dual customzied solution will give unmeasurable distortion (possibly -180db). Anther, When we used opa2134 or lm4562 to replace opa1612, the distortion disappear. Dear all, aiming to keep THD+N figures constant over the audio frequency range. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and Mar 17, 2019 · The Vendor's Bazaar forum is for commercial offers and transactions. It has the most stable input capacitance vs. 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. Mar 17, 2019 · It has the most stable input capacitance vs. Opa1656 has good phase response at high frequency. Soundstage and placement felt more solid. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. I used 10 or 12 in my preamp rolling project - never a problem with Sep 6, 2023 · I was using opa1656 with fosi v3 ever since I got the uni. The OPA1656 immediately raised my attention, plus there was/is a long thread about it on diyaudio. 25V to ±18V or (4. 5 MHz LM4562, 55 MHz OPA2134, 8 MHz A 1 metre cable with polyethylene dielectric has its first resonance at 50 MHz, a 1. CMRR is not a big issue. It's a virtually unknown chip as when you search on Digi-Key it doesn't come up as soundplus. 100 Ohm - 100 kOhm, 3). - Page 2 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, 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. Regarding the tone stack, if there is enough gain in the front-end, the input-referred noise may not be impacted by the resistances. Jan 6, 2010 · I have an Onix XCD-99 which is basically a Music Hall CD-25. I had no oscillations or instability with the OPA1656. MUSES8820 is the best, IMHO. The idea of this group buy is to propose a full pack @fair price for a brand new Purifi Buffer : SPEC : - THD: 0,00026% @ Vin 2,5 V RMS - GAIN: 14 dB - BANDWIDTH: 2 Hz - 150 kHz - SLEW RATE: 24 V/uS - CMRR: > 100 dB @ 60 Hz - DYNAMIC RANGE: 127 dB - INPUT IMPEDANCE: 47 Kohm The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. The output swing for Aol should be considered as it is different between the two devices. PRODUCTION DATA. To check if they will match the previous ones that were made with balanced 10x paralleled op-amps. 25 V to ±18 V (4. Page: 42 Pages. NE5532 is a very good amplifier especially for the price ($0. 5A. Jan 27, 2024 · The OPA1612 has lower noise and distortion than OPA1656. 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). 6 mA but I know I’m in the Op amp thread so I don’t want to take the thread off topic. It was recently re-capped and all new guts put in . the differences aren't huge, but big enough to make a change worthwhile. 1F X7R on the backside with the shortest possible lead length. 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. This is a forum where guitarists, from novice to experienced, can explore the world of guitar through a variety of media and discussion. This feature accommodates the power supply constraints of many types of audio products. 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). Lme49720 provides same best performance as opa1656 and opa1612. 4 nV/rthz. 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. 5 V to 36 V) on 3. Below picture is the Sch , and the distorted waveform is attached vedio. 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. 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). Is the 2134 the right choice. 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. 7 pA/rthz) will multiply with the pickup resistance (varies quite a bit, say typical is 10 kOhm) to become the Dec 28, 2018 · I would like to see the OPA1656, a burr brown sound plus chip. That circuit will work very well with any dac that outputs 1ma . 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. Sep 27, 2019 · The OPA1656 operates over an ultra-wide supply range of ±2. Nov 20, 2020 · Part Number: OPA1656 Lets start over with the right part number in the question Reviewing this device for some audio work, the front page noise plot is ok 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 Jan 7, 2021 · I have ordered Mean Well RS-100-24 SMPS power supply, 24V/4. e. And this preamp sounds MUCH better than Audio Research, Burmester and Accuphase preamps costing above €10. Psychic contributors here now . Goggle bill d mod carver c-1. Apr 10, 2019 · I have interested in low ESR Electrolytic Capacitors to power the Opa1612. 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. Jul 4, 2009 · Here’s a great article comparing opa2156 CMO vs opa1612. The FET-input architecture achieves a low 2. Two schematics in parallel and eight in parallel for both 1656 and 1642 were measured. 9 mA of supply current to accommodate the power supply constraints of many types of audio products. 5V to 36V) on 3. It is great to have some measurements behind the OP amp selection. >100mA output current. The op amp offers a temperature range of -40°C to +125°C and is available in an 8-pin SOIC package. 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 OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. . common mode voltage that I've measured on any op amp. Note that while the OPA1656 is unity gain stable, it does have an internal compensation circuit that causes a phase wobble in the 1-10 MHz region. I felt a great improvement overall. Jul 4, 2021 · The article linked below isn't the be-all and end-all on op amps tests, but very informative. 4 Calculating Voltage Noise at the Output. I was wondering if the OPA2604's could be replace with a dual opamp like the OPA1612 with similar or hopefully better results than the OPA627's 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. For the case of Total Noise of OPA1656 vs OPA1612. Welcome to r/guitar, a community devoted to the exchange of guitar related information. It's a killer OpAmp, and better suited to non-inverting buffer duties than the OPA1612/2211 The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. He gives strong recommendations for some applications and also caveats about ill-informed op amp rolling. One S300iu integrated amplifier | Stereophile. It's best use as an alternative to opa1612 when noise is not a big concern. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Jul 4, 2009 · The Opamp thread | Page 439 | Headphone Reviews and Apr 6, 2020 · The OPA2134 is very ordinary, I consider it a side step to the NE5532. The amp 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 Jul 4, 2009 · The Opa1656 has a much wider and better soundstage. He does test the TL072 against some more modern ones, but not the OPA1612 due to there being no DIP version I think. Taking advantage of a wide power supply range and mounted on a DIP8 bracket, it can replace many other models. You can dig on the Internet and find modern op-amp test results, but it quickly crosses over into sonic character and subjective opinion. -131 dB THD+N at 1kHz, 600 ohm load, 3. 000015% at 1 kHz. Part #: OPA1656. isn't really that expensive for opa1656 Other Parts Discussed in Thread: OPA1612, OPA828. It could sound pretty good, but one could get sound just as good from IC opamp designs. Mar 17, 2019 · A quick snapshot of the OPA1656 performance specs: 2. So you'd be "degrading" the performance by going that route (even though both are excellent). Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. 1 is now ready with OPA1656 in DIP8 socket. Compare the datasheets. It has a very good dynamic range and a low level of harmonic distortion. 8 bucks for a genuine part. If you have guitar related questions, start with the "search" field at the top of the page. Oct 28, 2022 · My opinion is that the OPA1656 is probably one of the finest opamps for audio. 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 Feb 6, 2018 · We already tried try opa1656 opa1612 lme49720 njm4585 etc. help to check the reason. The schematic, spectrum and results are given below. com Aug 24, 2012 · i tryed lme49722 opa2134 and opa1612 ,--. tnt-audio. 9nV/rtHz broadband voltage noise. i expected them to put some May 19, 2017 · Something better than the LM4562? Sep 25, 2019 · The OPA165x operates over a very wide supply range of ±2. 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). 9mA of supply current. I’m going to solder the IC to a soic to dip adapter then plug it into the the amp. --lme49722 lme4562 lm4562 opamp is very good sound ,higher ratings than opa2134 -but not as Mar 17, 2019 · I measured again the noise of OPA1656 vs OPA1642. Mar 17, 2019 · Benefit is lower dc offset and less distortion also high open loop gain also superior stability. Is it reasonable to add low noise FET input stage like JFE150 or JFE2140 ?? Is bipolar opamp like OPA1612 easier affected by EMI due to rectifying effect? May 10, 2022 · You don't have to use SA, distortion level obvious on oscilloscope screen. Some people have more recently started using OPA1656, which are very good, although they are a little less authoritative in the bass. The different players sounded different. Aol 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. It could be very interesting to test their performance: - SNR - Bandwish - slew rate-. Dec 26, 2019 · Proved inside BRZHIFI BZ1306 case (131*249*55mm). 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. 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 OPA1692 data sheet, product information and support Hi there probaly a simple question maybe not. Low noise, low distortion, 100mA current output, +/-18v rails, and it sounds great! This OPA1656 OPA from Texas Instrument offers very good performances for audio use. OPA1612 Dual OPA DIP8 (Unit) OPA1611, OPA1612 www. May 9, 2023 · Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. Dec 10, 2021 · I am planning to replace the NE5532 in my Burson Funk with the OPA1656. I no nothing about this. 5 metre cable at 33. ti. I have used hundreds of these and they do work very well and sound fantastic. Below, I have highlighted the components that could be adjusted if this the issue. Adding those capacitors at the input like in Denon 1560 (you need to find the perfect values yourself) can be done with any op-amp. OPA1611, OPA1612 www. Is the OPA1656 the correct opamp to use? I heard it was the best so that’s why I picked it. The cost is about $30 in a local store. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Oct 9, 2020 · We already tried try opa1656 opa1612 lme49720 njm4585 etc. In note slyt630. pdf (sorry, pasting the address makes a huge link) you use a ~50 ohm isolation resistor. Tried putting in opa1612 today. 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 In no case did I have too high expectations regarding the sound Mar 21, 2023 · The trade off would be noise vs stability. But this is audio science forum. (or the 2156) The opamp has good phase margin and seems quite tolerant of sub-optimal layout. Does anybody 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 The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. wjcev usv xrqgi rstmuu ihllq lpeu fxzjrs qogv ogzdjqu stus