Opa1692 vs opa1612 forum

Opa1692 vs opa1612 forum. 1 MHz. It has the most stable input capacitance vs. The piano drifted in and out of focus with the OPA1692 but was better separated and more focused with the LME49723 in place. 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. [TNT-Italiano] Prova d'ascolto/autocostruzione: un test a confronto tra diversi operazionali installati nello stadio d'uscita di un CD player: MUSES8820 vs OPA1692 vs LME49723 vs NJM8801 vs OPA1612. It's quite impressive overall and the bass is excellent. Jul 4, 2021 · This looks like a stock implementation of the pcm1794 datasheet output stage. Dec 14, 2018 · For a complete stereo setup, I will be using 30 OPA1612's with unity gain for the active crossover network and 8 OPA1612's for the parametric equalizer circuit which will have a 12 dB cut and gain. Since I am a novice, I am assuming that the current specification is for unity gain applications? May 8, 2011 · Speed is an issue, though. Jul 26, 2020 · But if the NE5532 is GREAT than the newer TI OpAmps like OPA1612, OPA2228, OPA1692, OPA2209 etc are: OUTSTANDING, MARVELOUS, EXTRAORDINARY, UNMATCHED, OUT OF THIS WOLRD, EXTREME Über OpAmps! Last edited: 2020-08-22 3:52 pm 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. The OPA1692 being a bipolar type as well has much lower THD figures. But if both circuits have the OPA1692, they dont work. Feb 11, 2021 · 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. In note slyt630. Funny you should ask about the audio version of OPA2156 (will be called OPA1656). OPA1622DIP化モジュール 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. Hi, Which architecure of the voltage feedback amplifier and the current feedback amplifier are the following parts ? <Audio Operational Amplifiers> OPA1611(bipolar input) OPA1612(bipolar input) OPA1622(bipolar input) OPA1688(cmos input) Best regards, Kato Jul 4, 2009 · The Opamp thread | Page 470 | Headphone Reviews There may be a circuit connection issue with your OPA1602/OPA1612 active filter circuits. That should get you going. OPA1656 sounded worst, Muses 8920 sounded best. 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. Both share the same VS and VS/2. Frequency, THD+N vs. OPA1611, OPA1612 www. OPA1622 SoundPlus High-Fidelity, Bipolar-Input, Audio Lead finish/ opa1692 active SoundPlus™ Low-Power, Low-Noise, High-Performance Dual Bipolar-Input Audio Op Amp OPA1692 Low-Power, Low-Noise and Low-Distortion SoundPlus Audio Operational Amplifiers datasheet (Rev. It offers exceptional performance in almost any audio application. Maximum Output Voltage vs Frequency of OPA 1692, we could get to the conclusion about the output amplitude is more than 4Vp when the Frequency less than 1Mhz with +-5V,2Kohm load. Transients are stronger, both rimshots of snare drum and big-band trumpets. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. Highs are very extended and clean with great projection. OPA1692 data sheet, product information and support Jan 10, 2016 · He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. 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. Amplitude for a 32- and 16-Ωload • Fast-Fourier Transform (FFT) for a 32- and 16-Ωload The THD+N vs. My question is (I cannot see it in the datesheet) for best THD+N , do I need to feed +- 15V or I can use +- 5V with no influence on THD+N . I obviously only need 40 dB for 20 kHz, but I've heard things about not going too close to the amplifiers limits. 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. Apr 30, 2021 · The OPA1612 has great specs at or below 1 KHz but "breaks down" by 10Khz and above. Even the Voltage noise spectral density curve in the OPA1612 datasheet figure 32 shows lower noise when the source resistance is low. 91 mm (1) For all available packages, see the package option addendum at the end of the data sheet. 9 nV/√Hz at 10 kHz OPA1692 Series Operational Amplifiers - Op Amps are available at Mouser Electronics. They both work, when running on their own, but when both are plugged in something is being shunted and the VS drops to 5v (very low). My output is single ended 2Vrms . 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. • THD+N vs. 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. Like OP I/V, I will put 2 OPA1612, the OP buffer for RCAs an OPA1692, and the two 5532 for XLRs, I will not touch them for the moment because for the bass. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. 89 MB) Jun 8, 2023 · Some members in the Pass Labs forum section used my design in their First Watt clones with the same conclusion. common mode voltage that I've measured on any op amp. Other Parts Discussed in Thread: NE5532 , OPA1632 , NE5534 , OPA1692 将一个驻极体麦克风信号，通过放大送给差分输入的ADC。 Mar 15, 2021 · I recently tried the OPA1612 op amp in the HanZao amp. Low output current would mean the transimpedance gain of the I/V circuit will be high, and the input current noise of the op amp will be a significant contributor. It appears that the output of OPA1602 U6. amplitude and THD+N vs. Description: Low-Power, Low-Noise and Low-Distortion SoundPlus Audio Operational Amplifiers Dec 6, 2018 · I don't think you can "get into it" here, it quickly degrades to psychoacoustics and audiophoolery compared to science. Find parameters, ordering and quality information Part Number: OPA1612 Hi, Somebody has already asked THD+N vs Supply Voltage of OPA1612, but the datasheet seems to wrong. Page: 42 Pages. 3V inside of each supply. I am curious to try it. May 9, 2023 · Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. A few months ago I Texas Instruments OPA1612 Series Audio Amplifiers are available at Mouser Electronics. lib in C:\Users\Your_PC\Documents\LTspiceXVII\lib\sub folder, which your . lib in the sub Dec 15, 2015 · Texas Instruments Introduces Highest-Performance Next- Mar 17, 2019 · The OPA1641 would be slightly better. For Example, R35, R51, R49 is the upper path 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. 00005% at 1 kHz. This is noticeable with ensemble pieces. Download. 0000x distortion and so on). 2-nV/√ Hz noise density and distortion of –127 dB at 1 kHz. For example, Aol for the OPA1656 with a 600 ohm load will have a linear output swing that is 1. With OPA1632 both channels show equally low -116 dBV (non-weighted) noise while with LME49724 there is some variation in one channel. 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. A) of the OPA169x data sheet has removed all references to the OPA1694. 5V). I just love how OPA2228 sounds in amp section paired OPA1612 Dual OPA DIP8 (Unit) Dec 10, 2015 · A fair question! And although I was the product definer and systems lead for this part, I don't get 100% control over the marketing folks But, I can honestly say that when we started working on this part about a year ago, I was very adamant that I didn't want to create a part with excellent specs but terrible sound quality in the real world. Just set up your OPA1612 model having using the 5 pins in the order listed - as you would for the OPA1611 single op amp. Currently, I require opamps in the DIP package. Go for the opa1612 given the choice. Part Number: OPA1612 Other Parts Discussed in Thread: OPA1622, OPA1688 Hello, I am considering the OPA1612 as a headphone driver replacement for JRC2114. Dual customzied solution will give unmeasurable distortion (possibly -180db). Mar 17, 2019 · For a DAC chip with a low output current, I would suggest op amps with FET type inputs, either JFETs or CMOS. Assign an op amp symbol that uses just the 5 pins. OPA627 is really bass forward but you lose details, clarity and energy. I don't know if I could use some circuit to mute the amp at the moment of power-off. Jul 4, 2009 · Here’s a great article comparing opa2156 CMO vs opa1612. I just find it a little too forward sounding for my taste and lacks some naturalness. The OPA1652 (dual) and OPA1654 (quad) FET-input operational amplifiers achieve a low 4. My understand if noise isn’t a problem the opa1656 is great alternative to the opa1612. But if there is a pop one second after power-off. 1 I will test OPA1692 and OPA1656 again when my TPA3255 PFFB arrives. pdf (sorry, pasting the address makes a huge link) you use a ~50 ohm isolation resistor. As you can see, opa1656 exibits sharp change in RTI offset about 6-7V (powered +-12. 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. frequency plots. Therefore, the OPA1612 simulation model really only contains one op amp having the pin order of the single OPA1611 op amp. Jun 24, 2013 · The Vendor's Bazaar forum is for commercial offers and transactions. Jul 30, 2021 · If I could also request test of: OPA1642 ~ 2 Euro OPA1656 ~ 2. I'm waiting for OPA1656 and ADA4896 to try at I/V stage. 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. VIN(DIFF) Differential input voltage ±VS V IO Output short-circuit(3) Continuous TA Operating temperature –55 125 °C TJ Junction temperature –65 150 °C Tstg Storage temperature –65 150 °C (1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. Is the OPA1694 still Apr 10, 2019 · I have interested in low ESR Electrolytic Capacitors to power the Opa1612. (Haven’t tried it with Aug 24, 2012 · i tryed lme49722 opa2134 and opa1612 ,--. The supply voltages are +/-12V and both are capable of supplying up to 1A currents. my TPA3255 V1. The LME49723 has less noise than the OPA1692. May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. Several reference are used on forum. Benefit is lower dc offset and less distortion also high open loop gain also superior stability. I don't care about listening tests or something else, just want to use the technical better one in my amp. Part Number: OPA1692 Other Parts Discussed in Thread: OPA1641 , , OPA1688 Hi, I'm trying to model the open loop gain of a number of TI parts - OPA1641, OPA1688 TI E2E support forums Search Other Parts Discussed in Thread: OPA1612, OPA1642, RC4136 I use these amplifiers for pro audio. 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. The data sheet claims each OPA1612 uses 7. 2 ma total. 40 dB would equal to a gain of 100, which would narrow my bandwidth down to 50 kHz. You retrieve so much details and trebble extension but could be a bit fatiguing. All measurements were taken using ±5-V supplies at an ambient temperature of 25 °C, Mar 7, 2019 · It's made on the same process as OPA1612, OPA1642, OPA1622, OPA1692, and many others. CMRR is not a big issue. According to the datasheet, THD+N TI E2E support forums OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational Amplifiers 1 Features • Ultra-low noise: – Voltage noise: 2. If you're comfortable desoldering soic8 opamps, you can consider swapping opamps but I wouldn't suggest it. Dec 26, 2019 · At the moment I have tested it with 4558 and NE5532 while waiting for the OPA1692 to arrive. 1-nV/√ Hz noise density with an ultralow distortion of 0. I also agree with someone who talked about the best combinations for the Opa2228 and the Opa1692 being a good choice. 1 via a series of 0-Ohm resistor shunts. I's latest offering, the OPA1656. Aol Part Number: OPA1692 Other Parts Discussed in Thread: TINA-TI, LM5165, OPA171, TPS7A47, TPS7A4001 Hello TI Team, I am currently in the process of trying to bypass the OPA1692 to allow for a passive bypass for a design, however, when switching to the Opamp in or out of circuit the noise floor increases by 1mV. Description for the OPA1692 The OPA169x operational amplifiers achieve a new level of performance for low-power amplifiers with a low 4. 3nV/rtHz) and distortion (-124dB), wide bandwidth (22MHz) audio op amp. 8 bucks for a genuine part. Jan 26, 2022 · The amp remains totally silent even with its volume at maximum. The OPA2210 is a jewel ! I tested the OPA1622, OPA1612, OPA1656, OPA1692 The OPA2210 definitely worth trying as I said before ! (I sent a pair to another forum member to get his opinion as well) In any case, do not embark on this adventure without having good welding skills. Feb 6, 2018 · 最近オペアンプ交換が楽しくて色々試してみました。個人のメモを兼ねてレビューしてみます。環境は、CD取り込みからハイレゾ化まで手軽にできるCurioSoundを使用してCDから取り込んだデータを96kHz 24bitのflac形式で保存。 "安いのにすごいSHANLING M2sを買いました"で紹介したM2sからラインアウト Apr 8, 2021 · Give a test ) I have tested the OPA1612 / 1656 / 1642 / Burson Audio V5i, Muse 02 / Muse 03, OPA2210, OPA1622, OPA1692, I keep on saying that the 2210 is the best for me at least with my amps. Preamplifier for 3-Wire Electret Microphones THD + N vs Frequency (3 VRMS, 2-kΩLoad) LME49723 vs OPA1692. 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. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. Sep 2, 2024 · OPA1692ID Texas Instruments Audio Amplifiers SoundPlus™ Low-Power, Low-Noise, High-Performance Dual Bipolar-Input Audio Op Amp 8-SOIC -40 to 125 datasheet, inventory, & pricing. It sounds great and I hope it will sound better with the OPA1692. Mar 22, 2022 · LME49720 (dil), fet input, bi-polar output, very good opamp especially dynamics and the bass, which is think is tightened up artificially by the midrange being slightly thin/hot, making the leading edge of bass seem tighter and faster. I am designing a IV stage and summing using opa1612. alongside with some aliexpress el`cheapos for like 2 buck a piece instead of 7. May 15, 2022 · Buggle2 Riaa board. -Category Forums. My first tests were with an OPA1612 (equivalent to OPA2211) in the instrumentation stage, but I didn't manage to get the circuit ringing free under all circumstances due to sloppy wiring, decoupling and grounding. ••• Aug 16, 2022 · Choosing the right audio op amp in different contexts: Parts discussed in this thread: OPA167x, OPAx134, OPA165x, OPA1622, OPA160x, OPA1692, OPA1611, OPA1632, With so many different audio op amps available from TI, it can be difficult to determine which one is right for you. Since all of these options are only available in surface-mount packages, you might want to look at our DIP adapter EVM, which can adapt many common SMT op amp Part Number: OPA1692 Hello, It looks like the Dec 17 revision (rev. OPA1692 VSSOP (8) 3. Taking a lead form "rolling" tubes in tube products, a trend has started in replacing op-amps -- sometimes with much difficulty -- to improve performance of solid state products like DACs. 2 shorts to the output of U4. 5-nV/√ Hz noise density with an ultra-low distortion of 0. File Size: 1MbKbytes. I also refurbish large format recording consoles. May 10, 2022 · I 'd show two IC, opa1692 (good one) and opa1656. Jun 15, 2021 · The problem I'm facing now is that I'm not quite certain what gain the OPA1692 can sustain. Opa1656 has good phase response at high frequency. For the case of Feb 17, 2018 · The image with the arrows that I posted at the top was to identify the OPs to change according to our needs. Regards, Thomas OPA1612 could certainly be used here, but it may be overkill in this application since noise performance of this circuit is likely to be dominated by the noise from the FET input stage. While improving on the flaws, some of the IC's SMD legs gave up and broke off. In the data sheet it says that it has a GBW of 5. 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. Mar 17, 2019 · Voltage noise is higher on 1656 at low frequency til 1khz. Amplitude, and FFT measurements were taken using an Audio Precision APx555. Preamplifier for 3-Wire Electret Microphones THD + N vs Frequency (3 VRMS, 2-kΩLoad) Part #: OPA1692. The output swing for Aol should be considered as it is different between the two devices. C) (pdf, 1. It appears that the OPA1611/2 have a lower noise voltage, wider bandwidth and higher slew rate than the OPA134 and OPA2134's. 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. Addon BalOut has placeholder for THAT1606 balanced buffer but as can be seen from the graphs this is a serious performance bottleneck. If there is a difrence , how many DB do I gain by using +- 15V vs +- 5V Jan 31, 2020 · I duplicated your OPA1692 schematics shown above, and I do not observe any errors. 00 mm × 3. 7 pA/rthz) will multiply with the pickup resistance (varies quite a bit, say typical is 10 kOhm) to become the . Good op-amps try not to add their own character to the sound, and the V5i sticks to that. Dec 9, 2019 · Home: RME ADI-2 Pro FS R BE—Neumann KH80 DSP, Arendal Sound 1723 1S Work from Home: JDS Labs Atom—Etymotic ER4SR, AKG K371, Sennheiser HD820 Measurement: Earthworks M30 (Reed R8090)—Earthworks ZDT 1021 — RME ADI-2 Pro FS R BE — REW OPA1692 VSSOP (8) 3. 66Vp）？ チョイラボその8 - Choi LABO - FC2 Other Parts Discussed in Thread: OPA1611, OPA1612, OPA1622, OPA1688. Mouser offers inventory, pricing, & datasheets for OPA1692 Series Operational Amplifiers - Op Amps. If I change the opamp on one of the circuits to an LT1013 leaving the OPA1692 in the other they both work. Part Number: OPA1612 Other Parts Discussed in Thread: OPA2134, , OPA1678. It could be very interesting to test their performance: - SNR - Bandwish - slew rate-. You can dig on the Internet and find modern op-amp test results, but it quickly crosses over into sonic character and subjective opinion. Jan 6, 2010 · Replace OPA2604 with OPA1612? TI’s OPA1662 is a Dual SoundPlus™ low noise (3. The OPA1652 and OPA1654 op amps offer rail-to-rail output swing to within 800 mV with a 2-kΩ load, which increases headroom and maximizes dynamic range. The diyaudio forum might be better suited for posing the question. NE5532 is a very good amplifier especially for the price ($0. include statement is pointed to the file path? I assumed you are using opamp2 symbol to create the op amp symbol, after you imported OPA1692. The OPA1642 has the JFET input stage- thus reducing the input current noise- reduced common mode input distortion and sensitivity to source impedances, and lower standing current going for OPA1692 VSSOP (8) 3. 000015% at 1 kHz. We would like to show you a description here but the site won’t allow us. I did a Jun 5, 2023 · The OPA1642 is significantly inferior to the OPA1612 in many regards (GPW product, output drive, distortion vs output load, input voltage noise for example). Testing 20-30 OPA's I have in stock, different types and makers, didn't find any that have this gluk. Question: Did you copy OPA1692. --lme49722 lme4562 lm4562 opamp is very good sound ,higher ratings than opa2134 -but not as Jan 16, 2017 · Below are THD+N vs. Frequency for a 32- and 16-Ωload • THD+N vs. Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). ti. 00 mm SOIC (8) 4. More options OPA1692ID Texas Instruments Audio Amplifiers SoundPlus™ Low-Power, Low-Noise, High-Performance Dual Bipolar-Input Audio Op Amp 8-SOIC -40 to 125 datasheet, inventory & pricing. Jul 4, 2009 · OK i've been testing the OPA2227, OPA2228, OPA2134, OPA1612, and the Muses 02. It's best use as an alternative to opa1612 when noise is not a big concern. If you get that sucker (opa2228) stable, Combined with Opa1692 or Opa1612/2211- Holy Crap it’s sounds amazing. 5). Listening to The Beating of Wings (Andrew Poppy) instrument separation was better on the LME49723. They probably used the stock resistors values too, which are too low for the tl072 to work comfortably. MUSES8820 is the best, IMHO. I suggest the following reference - 994Enh Discret OpAmp SONIC IMAGERY LABS - SPARKOS LABS SS3606 - AOP 1612 - LM4562 OPA1692 低低消消費費電電力力、 低低ノノイイズズ、低低歪歪みみののSoundPlusTM オオー デディィオオ 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). Preamplifier for 3-Wire Electret Microphones THD + N vs Frequency (3 VRMS, 2-kΩLoad) Jul 4, 2009 · The Opa1692 is one of the best audio op amps ever made for what it achieves! (IMHO). i expected them to put some Feb 13, 2016 · This is a study of whether changing op-amps in a DAC makes a measurable difference. Mouser offers inventory, pricing, & datasheets for Texas Instruments OPA1612 Series Audio Amplifiers. . Yes it destroyed many many extreme expensive commercial preamps in the last 25 years. Can you please show the THDN plots at 10kHz or 20kHz? Thanks! 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. 2, and the output of U6. Misc. Feb 28, 2018 · Searching for LME49720 and OPA1692 returned this interesting TI thread from 5 years ago, discussing that the LME49720 was going out of production at that time, and somebody recommended using the OPA1692 as a substitute/replacement Aug 23, 2017 · OPA1692: The perfect Op Amp for low power audio? Jul 4, 2009 · V6V is better than OPA1692 but OPA1692 isn't extremely far off from V6V and that's bragging rights for OPA1692 considering it's dirt cheap price For I/V: OPA1692 is best, compared to - OPA1612, OPA2192, OPA2209, OPA1652, NE5532, LME9720, OPA1622, OPA1602, OPA1662 Apr 8, 2021 · I tried OPA1622, OPA627 and OPA1612 at I/V stage and OPA1612 is clearly the best to my ears. Hi Community, TI!!! I would like to upgrade an audio amplifier OPA2134 and the TI site web recommands me to change for a new OPA. No background noise and no pop on power-on. 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. Data for opa1692 "noise removed" version. 1 shorts to the output of U4. So if the power supply is 8V, and the load is decreased to 1Kohm, does it the output amplitude get to 4Vrms（5. 6 mA but I know I’m in the Op amp thread so I don’t want to take the thread off topic. Both (I believe have Fet-inputs) There’s also 2189 CMOS audio op amp has impressive specs of an impressive was designed for MUX friendly DACs and multichannel dacs! Mar 17, 2019 · The OPA1641 would be slightly better. Pin can be left floating or connected to any voltage between (V–) and (V+). I found that OPA1612 was in the ultimate soundplus collection that's why i have change for it. Mar 5, 2018 · I read on several forum the advantage to use specific AOP for the final stage of DAC or Amplifier. 90 mm × 3. 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. sjefg kotk dgwqq rhff gmb polsiw htvd ovkqh pbvxzo faemnjzo