Posts
Opa1612 vs opa1642
Opa1612 vs opa1642. 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 on paper has lower voltage noise but whether its lower noise in practice depends on the circuit impedances. The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. 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. I must test muses now. 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 OPA1611, OPA1612 www. Part Number: OPA1642 Other Parts Discussed in Thread: OPA1652. 1-nV/√ Hz noise density with an ultralow distortion of 0. 5nV/√ Hz noise density with an ultralow distortion of 0. For being itself, opa1642/opa2140 is pretty good. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. 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 TI’s OPA1662 is a Dual SoundPlus™ low noise (3. Opa1656 has good phase response at high frequency. Mar 17, 2019 · The OPA1641 would be slightly better. The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. Jan 6, 2010 · I have an Onix XCD-99 which is basically a Music Hall CD-25. OPA1622 SoundPlus High-Fidelity, Bipolar-Input, Audio Lead finish/. Opa2156 sounds a little more "detailed" and a little "grainy" in comparison. Feb 11, 2021 · Below is a comparison between OPA1656 and OPA1642. Jan 10, 2016 #1. 9 nV/√Hz at 10 kHz Dec 6, 2018 · This question is triggered by a repair I recently did where the originals, while still available, were stupid expensive. Hello, I am looking at replacing the old JRC opamp in my phonostage of my amplifier. 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. It ensures a very low noise density of 1. 2 dB at 1 kHz, while driving a 32-Ω load at 100-mW output power. Find parameters, ordering and quality information The OPA1641, OPA1642, and OPA1644 series of operational amplifiers are unity-gain stable and provide excellent dynamic behavior over a wide range of load conditions. 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. Thread starter oldphaser; Start date Jan 10, 2016; oldphaser Chief Journeyman. 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. These three Op-Amps sounds great. As mentioned previously the OPA2134 in BIFET is a decent performer. Opa1612 is generally slightly light weighted but very balanced otherwise. 1nV/√ Hz) 和超低失真 (0. The OPA1642, SMT-only, is also a good dual BIFET. 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. 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! 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 The OPA1641, OPA1642, and OPA1644 series of operational amplifiers are unity-gain stable and provide excellent dynamic behavior over a wide range of load conditions. 000015% at 1 kHz. 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 The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. . Mar 17, 2019 · CMRR is not a big issue. 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最大化。 Apr 5, 2021 · We would like to show you a description here but the site won’t allow us. The dual and quad versions feature completely independent circuitry for lowest crosstalk and freedom from interactions between channels, even when overdriven or overloaded. OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational Amplifiers 1 Features • Ultra-low noise: – Voltage noise: 2. Depending on the actual application circuit, there are alternatives with better noise performance. 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. Two identical gain 11 amplifiers were tested. It offers exceptional performance in almost any audio application. Find parameters, ordering and quality information The OPA1602 and OPA1604 bipolar-input operational amplifiers achieve very low 2. 2-nV/√ Hz noise density and distortion of –127 dB at 1 kHz. ••• Jun 7, 2016 · OPA1612 1612 will sound warmer, thicker, mellower and darker with most headphones and IEMs. 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 OPA2134 is probably a good choice in general. May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. The soundstage is the only good part, it's the wider due to the bass boost and upper midrange scoop. LME49720 sound is boringand too light. Transients are stronger, both rimshots of snare drum and big-band trumpets. 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. プライバシーポリシー 当サイトでは、以下のとおり個人情報保護方針を定め、個人情報保護の仕組みを構築し、個人情報保護の重要性の認識と取組みを徹底することにより、個人情報の保護を推進致します。 The OPA1652 (dual) and OPA1654 (quad) FET-input operational amplifiers achieve a low 4. 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 OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. One good example is XU09 portable headphone amplifier. We would like to show you a description here but the site won’t allow us. These sound great and outshine many of the other modern high performance audio opamps out there today. ti. Part Number: OPA1642 Other Parts Discussed in Thread: OPA1612, , OPA1652, OPA1688, OPA1662, OPA1602. 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. My understand if noise isn’t a problem the opa1656 is great alternative to the opa1612. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. The TI OPA1612 dual operational amplifier benefits from excellent technical characteristics, allowing very good electrical and audio performance. Feb 28, 2021 · The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. --lme49722 lme4562 lm4562 opamp is very good sound ,higher ratings than opa2134 -but not as TI’s LME49860 is a 2-channel, 44-V, high-fidelity, high-performance audio op amp. Joined Sep 8, 2012 Messages 848. If a FET-input amplifier is required for low bias current (such as for a phono preamp), you might consider the OPA1642 or OPA1678. Jun 18, 2019 · Hello everyone, I have the DAC Emotiva XDA-1 preamp with the DAC Analog Devices AD1955 and Burr Brown OPA-2134 op-amps, I want to update to the Burson Audio Play with the DAC: ESS Technology SABRE32 / ESS9018 and NE5532 X 3, NE554 X 2 op-amps, would it be a good update to the Burson Audio? thank you very much to all. Pin can be left floating or connected to any voltage between (V–) and (V+). TL074 is easily surpassed by OPA1644, that's a no-brainer. It has the most stable input capacitance vs. 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。 The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. 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. I don't care about listening tests or something else, just want to use the technical better one in my amp. Close to zero DC mv at its output would enable removal of the dreaded electrolytic coupling caps which will definitely lower colouration and improve sound quality. When I do serious listening test between them, just an A - B testing, not back and forth, I found the OPA1642 creates more noise at upper frequency because of those high frequency details. Sound is more "color", and "massive". 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. OPA2134 is basic hi quality Op-Amp and all rounder Op-Amp with great sound. consists of 2 x 10 op-amps in parallel and the two 10s are balance connected. Jun 19, 2021 · The OPA1642 has more open at the high frequency, it is more detail but it noticeable sharp and edgy sound. 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 Nov 19, 2014 · opa1612 与 . 5). Before any modifications I use shematics to see what i need to choose between these four Op-Amps. 3nV/rtHz) and distortion (-124dB), wide bandwidth (22MHz) audio op amp. Thanks in The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Output Current characteristic curves seem to behave in opposite manners. May 23, 2018 · Opa1642 sounds a bit smoother and silky at top end but a little bit fat in the mids. Find parameters, ordering and quality information. It's best use as an alternative to opa1612 when noise is not a big concern. Hi team, The following two sets of Output Voltage vs. It has OPA2604 buffer amps that many have replaced with dual OPA627BP's with good results. May 3, 2022 · Its not immediately clear what would upgrade NJM4580 which is already quite low noise. 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. 1-nV/√Hz as well as an extremely low distortion level of 0. Jan 10, 2016 · OPA1611 vs OPA134 or OPA1612 vs OPA2134. tnt-audio. . 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 OPA1612 与 OPA2604 对比？ 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). common mode voltage that I've measured on any op amp. 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 OPA1602はOPA1612より1mA少ない OPA1602はUnity Gainでの安定度が高い。 OPA1612はOPA1602よりも安定度が悪いのでゲイン1以上で使ったほうがよさそう。 容量性負荷の場合，OPA1612はCfが必要。OPA1602にOPA1612と同じCfを取り付けると容量負荷でもオーバーシュートが出ない。 The OPA1622, dual, bipolar-input, SoundPlus™ audio operational amplifier achieves a very low, 2. 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. OPA1612 VS MUSE02 ทั้งคู่เป็น BiPolar เหมือนกัน เสียงต่างกันไม่มากนัก OPA1612 Mar 7, 2019 · Sometime I use OPA1612, OPA1642 and OPA1622. NE5532 is a very good amplifier especially for the price ($0. Jun 13, 2016 · ポータブルアンプのオペアンプ、オペレーションアンプの交換の実験です。なかなかオペアンプの聴き比べは手間がかかるもの、今回は安価な価格帯のオペアンプから、様々な聴き比べをしていきます。 Aug 24, 2012 · i tryed lme49722 opa2134 and opa1612 ,--. May 15, 2022 · Now i tested opa1612 with lme49720 and 1612 is better in my opinion. 5-nV/√ Hz noise density with an ultra-low distortion of 0. 000015% at 1kHz. For OPA1642, the output current (limit) appears to increase with increasing temperature. 00005% at 1 kHz. Every amp. com 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. 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！ 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 We would like to show you a description here but the site won’t allow us. 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. 00003% at 1kHz. Composite amplifier is one of the best application with opa1656. 8-nV/√ Hz noise density with an ultralow THD+N of –119. 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. While it still has some treble sparkle, It isn't enough to save its sound of complete mudyness and lack of detail. ••• The OPA169x operational amplifiers achieve a new level of performance for low-power amplifiers with a low 4. TI’s OPA1642 is a Dual SoundPlus™ high-performance, JFET-input audio op amp. 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. 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. Jul 4, 2009 · Here’s a great article comparing opa2156 CMO vs opa1612. 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. 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. Nov 26, 2017 · In SMT the OPA1612, rated at 40V absolute maximum, is a very good part.
vymfxkxh
rswbc
sfpedg
shbobh
fyump
jqgnlmjgf
pfhfk
yvg
aczpqx
sypyanftt