Opa1612 vs opa1642 price. These three Op-Amps sounds great. One good example is XU09 portable headphone amplifier. May 3, 2022 · Its not immediately clear what would upgrade NJM4580 which is already quite low noise. e. Before any modifications I use shematics to see what i need to choose between these four Op-Amps. Jan 10, 2016 · OPA1611 vs OPA134 or OPA1612 vs OPA2134. OPA1642 Datasheet. Mouser offers inventory, pricing, & datasheets for Texas Instruments OPA1612 Series Audio Amplifiers. Dec 6, 2018 · Tone controls? DAC reconstruction filter? The better FET-input op-amps are expensive because they are laser-trimmed and prices can be crazy. 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. common mode voltage that I've measured on any op amp. Feb 11, 2021 · Below is a comparison between OPA1656 and OPA1642. 18 OPA1611, OPA1612 www. It occurred to me that a more modern & higher performing part must exist at a lower price - a win-win scenario if ever there was one. Part #: OPA1642. The amplifier is powered by 2 x 9V batteries for low noise operation. ah so much other untested opa's 1678 still on my list ina1620. May 23, 2018 · Opa1642 sounds a bit smoother and silky at top end but a little bit fat in the mids. The OPA1602 and OPA1604 series of op amps offer rail-to-rail output swing to within 600mV with 2kΩ load, which increases headroom and maximizes dynamic range. This op amps offer rail-to-rail output swing to within 200 mV of the power supplies with a 2-kΩ load, which increases headroom and maximizes dynamic ran Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). Merch Excuse me, it's not the OPA1642, it's the TPA6120A2 vs OPA2134, which one is better for audio, which has better quality, thanks. consists of 2 x 10 op-amps in parallel and the two 10s are balance connected. Mar 22, 2022 · The OPA1612 is one of the best I’ve ever encountered, the LME 49720 are hard to beat at any price……. TL072 is not in the same league, I replaced those decades ago already for better performing types. OPA2134 is basic hi quality Op-Amp and all rounder Op-Amp with great sound. Download. It ensures a very low noise density as well as an extremely low distortion level. OPA2134 is probably a good choice in general. Jul 25, 2016 · MASH covers a few different number of bits in the output - the DAC output could just be switches if 802 is LM833, its bjt input isn't suited to the circuit filter/feedback impedances - really should be a jfet type OPA1642 looks good on paper, better when you read the chatter from TI engineer on the project I would worry that there simply isn't Apr 5, 2021 · The original amp has the OPA1656 and the other has the OPA1642. LME49720 vs OPA1612 vs Muses02. If a FET-input amplifier is required for low bias current (such as for a phono preamp), you might consider the OPA1642 or OPA1678. Find parameters, ordering and quality information Nov 19, 2014 · opa1612 与 . Opa1656 has good phase response at high frequency. I also refurbish large format recording consoles. tnt-audio. We would like to show you a description here but the site won’t allow us. 9 nV/√Hz at 10 kHz Feb 22, 2016 · “比如30多年前的opa2604、2134，到后来的opa627，以及近几年的opa1612，都是口碑非常好的产品。 ”德州仪器高精度运算放大器产品线市场工程师周颖表示，“去年中国市场上很多主打Hi-Fi的智能手机、智能平板、播放器、智能耳放都采用了OPA1612方案。 Jul 4, 2021 · OPA1642 on adapter, make sure to check decoupling and make sure to check for oscillation. 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. 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 Apr 25, 2024 · Part Number: OPA1642 Other Parts Discussed in Thread: TLE2426, , OPA1656, JFE150, JFE2140, OPA1612, LME49720, OPA891. Mar 14, 2010 · NE5532 is a very good amplifier especially for the price ($0. It's best use as an alternative to opa1612 when noise is not a big concern. OPA1611（单通道）和 OPA1612（双通道）双极型输入运算放大器在 1kHz 时可实现很低的噪声密度 (1. ••• We would like to show you a description here but the site won’t allow us. Mar 17, 2019 · CMRR is not a big issue. Due to the circuit specifics it needs to be FET input, and also unity gain stable. The OPA1612 offers rail-to-rail output swing to within 600 mV with a 2 kΩ load, which increases headroom and maximizes dynamic range. Two identical gain 11 amplifiers were tested. 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 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. Goes to show you how good it really is. The OPA1602 and OPA1604 bipolar-input operational amplifiers achieve very low 2. 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. It offers exceptional performance in almost any audio application. TI’s LME49860 is a 2-channel, 44-V, high-fidelity, high-performance audio op amp. Depending on the actual application circuit, there are alternatives with better noise performance. Other Parts Discussed in Thread: OPA1612, OPA1642, RC4136 I use these amplifiers for pro audio. com The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. TL074 is easily surpassed by OPA1644, that's a no-brainer. . Strange but found too many times to ignore it. From what I know the OPA1656 is currently the highest-spec audio grade standard opamp that TI offers. 1 nV/√Hz noise density with an ultra-low distortion of 0. Every time. Datasheet: 764Kb/21P. OPA1612 on paper has lower voltage noise but whether its lower noise in practice depends on the circuit impedances. 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. 000015%)。)。 OPA1611 和 OPA1612 在 2-kΩ 负载下能够提供摆幅在距离电源轨 600mV 的范围内的轨到轨输出，这有助于实现动态范围 为增加其声音的胆味和醇厚绵密的味道，输出端还特别增加了一枚ti新构架的场效应jfet音频专用的发烧运放opa1642，该运放的信噪比极高，毫无底噪！一点都没有！非常的好！喜欢夜里听的人必须的！ The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. OPA1656 (CMOS) on an adapter is a winner too. For being itself, opa1642/opa2140 is pretty good. Mar 17, 2019 · 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. 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. diyAudio Community diyAudio May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. My favorites at the moment opa1642 and this one opa1656. Oct 15, 2014 · Texas Instruments' OPA1612 (dual) bipolar-input operational amplifier achieves very low 1. . Jan 10, 2016 #1. Hello, I am looking at replacing the old JRC opamp in my phonostage of my amplifier. OPA1656 sounded worst, Muses 8920 sounded best. 000015% at 1 kHz. Opa1612 is generally slightly light weighted but very balanced otherwise. Hi Team, My customer wants to Mar 17, 2019 · Rolling opa1642, opa1612, muses8920, 2xopa627bp, lme49720na, opa2134. But $40-57 each. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. TI’s OPA1662 is a Dual SoundPlus™ low noise (3. The TI OPA1612 dual operational amplifier benefits from excellent technical characteristics, allowing very good electrical and audio performance. 1nV/√ Hz) 和超低失真 (0. Part Number: OPA1642 Other Parts Discussed in Thread: OPA1612, , OPA1652, OPA1688, OPA1662, OPA1602. ti. 1) base on the circuit in OPA1642's datasheet. Transients are stronger, both rimshots of snare drum and big-band trumpets. Composite amplifier is one of the best application with opa1656. The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. Manufacturer: Texas Instruments. Opa2156 sounds a little more "detailed" and a little "grainy" in comparison. Page: 21 Pages. Last edited: 2023-06-06 6:15 am OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational Amplifiers 1 Features • Ultra-low noise: – Voltage noise: 2. Mar 17, 2019 · The OPA1641 would be slightly better. Joined Sep 8, 2012 Messages 848. I don't care about listening tests or something else, just want to use the technical better one in my amp. All op-amps in this test are DIP except the OPA1642 is in SOIC package. It has the most stable input capacitance vs. For the case of OPA1611, OPA1612 www. 5). I would recommend OPA2134 or OPA134 and if you have money the OPA627 or OPA637. The new contender is National Semiconductor LM4562, the price in in the middle of both two. 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. Currently, I require opamps in the DIP package. Pin can be left floating or connected to any voltage between (V–) and (V+). TSC Jul 4, 2009 · Here’s a great article comparing opa2156 CMO vs opa1612. 魅族mx4pro运放芯片用的是1612，而xplay 3s用2604，不知道魅族能不能比vivo更屌呢？貌似老外们觉得2604比较好有助攻的么 Dec 10, 2015 · Do you have a microscope? Actually, the OPA1612 and OPA1688 are available in SO-8, not bad. com The OPA169x operational amplifiers achieve a new level of performance for low-power amplifiers with a low 4. Mar 22, 2023 · OPA1612到了后，自己先试了试OPA1612+JRC5532，感觉和OPA1642+JRC5532没什么区别，我试了好些碟，也试不出来什么区别；三频几乎没有差别，打分还是一样的，90分水平； OPA1612+OPA1612，这个组合的高频给我非常好的感受，比OPA1642+JRC5532明显更细腻一点，高频的线条感更好 The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. 2-nV/√ Hz noise density and distortion of –127 dB at 1 kHz. The OPA1612 is used by Topping/SMSL and I believe Gustard is using it too and also in the Latest Topping Preamp that everyone is gossiping about…. Jun 18, 2019 · The right price. 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. For some reason I refuse to use it as often as I can though, being CMOS. 3nV/rtHz) and distortion (-124dB), wide bandwidth (22MHz) audio op amp. Thread starter oldphaser; Start date Jan 10, 2016; oldphaser Chief Journeyman. Description: High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS. Jun 5, 2023 · Although specifications of OPA1612 (bipolar) indicate they are superior to that of OPA1642 (JFET inputs) in practice OPA1642 performs slightly better. Last edited: 2015-12-17 2:15 am The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. Dear TI E2E support, Hi there, Our team made a prototype of a phono-stage amplifier (pic. 00003% at 1kHz. File Size: 764Kbytes. Nov 30, 2021 · OPA2134: OPA2134 VS OPA1656. The NJM4560DX does not appear to be FET type, though I thought a FET type like OPA1642 would suit this circuit? or maybe OPA1612 which isnt FET like the Jun 19, 2021 · The price is US$ 3 compare to NE5532P is less than US$ 1 each. Find parameters, ordering and quality information Dec 6, 2018 · This question is triggered by a repair I recently did where the originals, while still available, were stupid expensive. 大家好。我使用OPA1642+OPA1622搭建了一个简单耳放电路，OPA1642接电流输出型dac作IV转换，OPA1622作差分运放接耳机负载。我发现音频段内所有频率都会有很大的失真，不知道问题出在哪里，还请工程师帮忙看一下。 OPA1642 IV电路. Thanks in The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. 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. The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. My understand if noise isn’t a problem the opa1656 is great alternative to the opa1612. 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 OPA1642 is also theoretically the best choice for the unity and x2 stages in the output buffer, although the LME49720 is a very close second. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. 1-nV/√ Hz noise density with an ultralow distortion of 0. There's no shortage of candidates here, and the new OPA1656 is a great option, but you could also check out: OPA1642, OPA1678, OPA827, and the newer OPA828, or also OPA2810. Texas Instruments OPA1612 Series Audio Amplifiers are available at Mouser Electronics. May 15, 2022 · Buggle2 Riaa board. 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 7, 2019 · Sometime I use OPA1612, OPA1642 and OPA1622. ••• Jan 5, 2019 · Other Parts Discussed in Thread: OPA1642, OPA1622. 1 10 100 1000 1 10 100 1k 10k 100k 1M 10M 9ROWDJH1RLVH6SHFWUDO'HQVLW\ Q9 ¥+] Frequency (Hz) C006 Product Folder Sample & Buy Technical Documents Tools & Software Dec 28, 2017 · There are some things to watch out for when swapping op amps. 5nV/√ Hz noise density with an ultralow distortion of 0. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. Every amp. Aug 3, 2019 · The OPA1642 is the best choice that you can make other than incredibly expensive ones that provide very, very, slightly less noise and higher distortion. Eric Mo Intellectual 775 points Part Number: OPA2134 Other Parts Discussed in Thread: OPA1656, OPA134. nry pvrrhz jsognz hzumjjr dhtpbn zzour ayk vbidgya uypmf sct