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Opa1612 vs 1642

Opa1612 vs 1642. 1-nV/√Hz noise, low THD+N (0. My statements were verified: - OPA1611/1612 are optimized for better distortion than the OPA211 (already pretty good). Dual customzied solution will give unmeasurable distortion (possibly -180db). Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. The OPA1612-Q1 device is unity-gain stable, precision op amp with very low noise; these devices are also free from output phase reversal. Thread starter oldphaser; Start date Jan 10, 2016; oldphaser Chief Journeyman. MUSES8820 is the best, IMHO. May 3, 2022 · Its not immediately clear what would upgrade NJM4580 which is already quite low noise. 1-nV/√ Hz noise density with an ultralow distortion of 0. Melling. 001 0. - high levels of DC precision are generally not required by audio customers (audio equipment makers). May 29, 2021 · The dark tone of the HD650 doesn’t go well with the Burson V5i-D. 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 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. Mar 22, 2023 · 后期的惊喜，OPA1612和1642. VOLTAGE NOISE vs SOURCE RESISTANCE MAXIMUM OUTPUT VOLTAGE vs FREQUENCY Figure 3. Texas Instruments OPA1612 Series Audio Amplifiers are available at Mouser Electronics. 1 10 100 1k 10k Total Harmonic Distortion + Noise (%) Total Harmonic Distortion + Noise (dB) Frequency (Hz) 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. - Page 2 Nov 15, 2008 · just had a look at 1642 datasheet and was suprised by its excellent lowlevel distortion. Mar 21, 2023 · 它的低频重现了muses01+02的组合的强劲、有力、下潜深，能量非常充沛。而中高频又和OPA1612+1612几无差别，很可惜的是自己只买了一对，没法直接瞬切，但差别肯定是非常微弱的。打分：95分（后面自己又试了1642+1642的组合，没有感觉出明显的区别）； Dec 15, 2015 · Texas Instruments Introduces Highest-Performance Next- 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 2 days ago · OPA1612AID Texas Instruments | Mouser TI’s OPA1662-Q1 is a Automotive Sound Plus, Low-Power, Low-Noise and Distortion, Audio Op Amp. 5nV/√ Hz noise density with an ultralow distortion of 0. 6 mA per Channel are unity-gain stable and provide excellent dynamic • Rail-to-Rail Output behavior over a wide range of load conditions. This doesn't look like a high quality pcb and it would be easy to lift traces. NE5532 is a very good amplifier especially for the price ($0. Part Number: OPA1612 Other Parts Discussed in Thread: OPA2134, , OPA1678. Jan 10, 2016 · OPA1611 vs OPA134 or OPA1612 vs OPA2134. 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. . 01 0. Click to expand Yes but much higher noise, however, for a FET opamp its quite low, seems like a better alternative to the OPAx134 which costs around the same. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. Jan 10, 2016 #1. Find parameters, ordering and quality information Aug 3, 2019 · Absolutely not. Oct 19, 2014 · 音響常用運算放大器OpAmp 參數比較表 OPA1612-Q1 SoundPlus High-Performance, Bipolar-Input 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. Any futher recommendations? my favs 1642/1656, 1612, lme49720na 2xopa627bp, ••• Aug 24, 2012 · i tryed lme49722 opa2134 and opa1612 ,--. The strings sound wonky and the vocals don’t sound that smooth. Figure 4. May 15, 2022 · Buggle2 Riaa board. 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. In comparison OPA1612 and OPA2134 also have a similar experience. Jan 6, 2010 · I have an Onix XCD-99 which is basically a Music Hall CD-25. 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 soundstage is the only good part, it's the wider due to the bass boost and upper midrange scoop. 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. common mode voltage that I've measured on any op amp. Mouser offers inventory, pricing, & datasheets for Texas Instruments OPA1612 Series Audio Amplifiers. It's a completely different problem than the MC case (5uH, 5 ohms). OPA1611, OPA1612 www. 2620 Saradan Drive PO Box 1188 Jackson, MI 49204 Map & Directions › 気に入ってた、opa1612が品切れ。ネットでも10個しか無い。 ネットで騒いでいるのかしら。. Reports are that both should produce great sound. The OPA1612-Q1 device offers rail-to-rail output swing to within 600mV with a 2kΩ load. Transients are stronger, both rimshots of snare drum and big-band trumpets. Features include 5. One other very noteworthy difference is the Vivid has a strong attack, but loses a bit on the decay so sustain is better on the SS360x. 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. Depends on the type of band, how many singers, etc. Nov 12, 2018 · The OPA1612 is a bipolar IC while it's brother the OPA1642 is a JFET. 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 Jul 4, 2021 · Go for the opa1612 given the choice. 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. 1 nV/√Hz noise density with an ultra-low distortion of 0. May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. 8 mA per channel. Jul 25, 2016 · As far as opamps -- 1602 and 4562 are going to behave awfully similar. 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. 500mH, 500 ohms DC R) is just terrible. 3 days ago · OPA1612-Q1 Precision Audio Amplifier Texas Instruments OPA1612-Q1 Precision Audio Amplifier is a dual, SoundPlus, bipolar-input operational amplifier. Apr 30, 2021 · It's a killer OpAmp, and better suited to non-inverting buffer duties than the OPA1612/2211 Low- and Mid-Frequency Test Signals for Evaluation of Room Modes // Measurements: ESS Hump revisited // Humpify -- apply "ESS hump"-style distortions to audio files TI’s OPA1662 is a Dual SoundPlus™ low noise (3. 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! The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. 0001 0. 00003% at 1kHz. 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. -140-120-100-80-60 0. The combination sounds weird and off-putting, especially when it comes to the upper mids. 4 stereo channels on the 1642, none on the 1604. ••• Mouser offers inventory, pricing, & datasheets for OPA1612 Series Audio Amplifiers. 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. 10 on the 1642. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. I don't care about listening tests or something else, just want to use the technical better one in my amp. Find parameters, ordering and quality information We would like to show you a description here but the site won’t allow us. Parameter-, Bestell- und Qualitätsinformationen finden Jul 6, 2024 · ディスクリートとICオペアンプの音質差 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). --lme49722 lme4562 lm4562 opamp is very good sound ,higher ratings than opa2134 -but not as May 19, 2017 · Something better than the LM4562? OPA1612-Q1: 1Mb / 31P [Old version datasheet] SoundPlus High-Performance, Bipolar-Input Audio Operational Amplifier Burr-Brown (TI) OPA134_071: 403Kb / 14P: May 18, 2023 · NFJさんのOPA1612がバージョンアップしてサーマルパット付になったので購入してみました。OPA1612はそこそこ熱くなるのでサーマルパット付が欲しいなと思っていたのです。Kitと言ってもハンダ付け8箇所するだけなので簡単です。 The OPA1602 and OPA1604 bipolar-input operational amplifiers achieve very low 2. Figure 2. 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. TI の OPA1612 は 1. Aug 22, 2009 · I talked to a TI/B-B applications engineer today. While it still has some treble sparkle, It isn't enough to save its sound of complete mudyness and lack of detail. 00001 0. May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. For gain: OPA209 but only against NE5534 and V6V singles. INPUT VOLTAGE NOISE DENSITY AND INPUT CURRENT NOISE DENSITY vs FREQUENCY 0. Will be trying these in gain stage: OPA1611, ADA4610-1, OPA189 Aug 1, 2024 · The TL072 H does show a faster slew rate than before (now 20, was 13) but the same poor voltage noise and the same inability to effectively drive anything below 10KΩ. 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 Feb 28, 2021 · The best sounding op amps for audio work. 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. OPA1612 Dual OPA DIP8 (Unit) 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 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 OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. 5). 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。 然而这一切都是源自于取样时钟基准的高精度和高稳定度性。 传统CD机通常是用一枚石英晶体振荡器配合相应的时基分频处理电路来组成解码需要的时序电路，这样的电路优点是简单稳定，但时序的一致性并不理想，频率的飘移性和精确性不能保证最佳，从而可能导致较大的jitter（时基抖动）失真 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 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. The OPA1652 (dual) and OPA1654 (quad) FET-input operational amplifiers achieve a low 4. 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。 OPA1641 data sheet, product information and support Jul 4, 2009 · For I/V: OPA1692 is best, compared to - OPA1612, OPA2192, OPA2209, OPA1652, NE5532, LME9720, OPA1622, OPA1602, OPA1662 For LP: OPA1692 for now, I have good expectations from OPA2209 but they are out of stock. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. If you do DJ or Karaoke type gigs or use the board as a keyboard submixer, this is really handy. TL074 is easily surpassed by OPA1644, that's a no-brainer. ah so much other untested opa's 1678 still on my list ina1620. My favorites at the moment opa1642 and this one opa1656. Pin can be left floating or connected to any voltage between (V–) and (V+). All of the MM preamps that are out there that use a bipolar input device (LME49710, OPA1612, LT1115, AD797 are just deluding you. 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 We would like to show you a description here but the site won’t allow us. com 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. 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. The OPA1611 and OPA1612 op amps 3. May 25, 2009 · 16 mics inputs on 1604 vs. The OPA1612-Q1 device offers rail-to-rail output swing to within 600 mV with a 2-kΩ load, which increases headroom and maximizes dynamic range. The OPA1622, dual, bipolar-input, SoundPlus™ audio operational amplifier achieves a very low, 2. 1Hz TO 10Hz NOISE Figure 1. better than opa1612. You can say I love the HD6X0 series only with tube The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. 5RQ Balanced Power - Tascam CD200 - Oppo 93 - Auvio HD Radio Tuner- MiniDSP OpenDRC-DI DSP, 2x4HD - AcourateDRC - UMIK-1 - ECM8000 - REW - Behringer DEQ2496 - Behringer UMC202HD and Focusrite 4Pre USB - Benchmark DAC2 HGC - Krell KCT pre and FPB 350mcx monoblocks - Sennheiser HD650 - MartinLogan reQuest 15" x 48" electrostatic hybrid with 12" sealed woofer 180Hz cross Mar 17, 2019 · The OPA1641 would be slightly better. Two cases were evalutated – in a TI-Produkt OPA1642 ist ein(e) Zweifacher Audio-Operationsverstärker, SoundPlus™, hohe Leistung, JFET-Eingang. OPA1692 data sheet, product information and support OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational Amplifiers 1 Features • Ultra-low noise: – Voltage noise: 2. 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？ 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. Find parameters, ordering and quality information 之前Opa2211x2+Opa1642那個組合用左半年左右，幾星期前IV轉用左2粒Opa1612，即是Opa1612x2+Opa1642。 比1642深和寬. 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. Mar 21, 2023 · Part Number: OPA1612 请问如何设计才能达到符合预期的THD+N性能指标？避免以低性能运行？ 一、比如用在一个10倍放大的线路中，作为正相放大，正相输入端可以悬空接信号输入还是需要并联电阻接地？ Apr 6, 2020 · The OPA2134 is very ordinary, I consider it a side step to the NE5532. OPA1612 TYPICAL CHARACTERISTICS At TA = +25°C, VS = ±15V, and RL = 2kΩ, unless otherwise noted. Jul 4, 2009 · Here’s a great article comparing opa2156 CMO vs opa1612. Find parameters, ordering and quality information Jun 7, 2016 · Burson Audio Supreme Sound Opamp V5i - Reviews 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). My understand if noise isn’t a problem the opa1656 is great alternative to the opa1612. OPA1612-Q1: 1Mb / 31P [Old version datasheet] OPA1612-Q1 SoundPlus High-Performance, Bipolar-Input Audio Operational Amplifier OPA1611: 1Mb / 31P [Old version 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 VS-1642 Melling Valve Spring – web « Previous. 5-nV/√ Hz noise density with an ultra-low distortion of 0. 1nV/√Hz ノイズ、低 THD、高精度の SoundPlus™ オーディオ・オペアンプ です。パラメータ、購入、品質に関する情報の検索 OPA1641, OPA1642, OPA1644 Jul 23, 2022 · DACのオペアンプを交換しました。線が少し細くなりましたが、小音量で全体のバランスが良くなり高域のクリア感が増しました。SOP8パッケージの交換は面倒なので、最後にすべくOPA1612に変えちゃいました。SOP8をDIP変換で交換出来るようにとも考えましたが、安定性を考えて中止です。 TI's OPA1612 is industry's highest-performance dual-channel, bipolar-input audio amp for apps such as pro audio/broadcast studio equipment, microphone pre-am OPA1611, OPA1612 www. Mar 5, 2018 · System: Equitech 1. 1nV/√ Hz) 和超低失真 (0. It has OPA2604 buffer amps that many have replaced with dual OPA627BP's with good results. OPAs 1642 and 1656 MUCH MUCH better. 00005%), a low input bias current of 2 pA, and low quiescent current of 1. So, it is a different design and chip. The MM preamp must have a FET input device. Thanks in TI’s OPA1642 is a Audio op amps. 000015% at 1 kHz. Oct 15, 2014 · Texas Instruments' OPA1612 (dual) bipolar-input operational amplifier achieves very low 1. 3nV/rtHz) and distortion (-124dB), wide bandwidth (22MHz) audio op amp. Mar 17, 2019 · Rolling opa1642, opa1612, muses8920, 2xopa627bp, lme49720na, opa2134. Applications with noisy or high-impedance power supplies require decoupling The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. The OPA1612 offers rail-to-rail output swing to within 600 mV with a 2 kΩ load, which increases headroom and maximizes dynamic range. GAIN AND PHASE vs FREQUENCY CLOSED-LOOP チョイラボその8 - Choi LABO - FC2 Apr 21, 2019 · vs Burson V6 Vivid The V6 Vivid has a faster attack than the classic, but still not quite as fast as the SS360x which allows the SS360x to wring out just slightly more detail than the Vivids. ti. tnt-audio. I use the the 1641 in my Marchand XM44 to replace the OPA2134 as it is a JFET. OPA1612 on paper has lower voltage noise but whether its lower noise in practice depends on the circuit impedances. Nov 19, 2014 · opa1612 与 . 但分析無1642好 The OPA1612-Q1 device is a dual, SoundPlus, bipolar-input operational amplifierthat achieves achieve very low 1. I like the OPA1642 due to its MUCH reduced bandwidth compared to the 1656 (11MHz vs, 55 TI’s OPA1644 is a OPA1641/1642/1644 SoundPLUS™ High-Performance, JFET-Input Audio OpAmps. Joined Sep 8, 2012 Messages 848. You can choose different carrier options based on the quantity of parts, including full reel, custom reel, cut tape, tube or tray. These sound great and outshine many of the other modern high performance audio opamps out there today. 1642 is nice in that it's a jfet input with very very good linearity which might mask less-than-ideal circuit design. Their noise performance with a real MM cartridge (c. This amplifier achieves very low noise density with an ultra-low distortion. 2 dB at 1 kHz, while driving a 32-Ω load at 100-mW output power. If you're comfortable desoldering soic8 opamps, you can consider swapping opamps but I wouldn't suggest it. Contact Information. -- more mics inputs might be better, or not necessary. But I really like the FET's in that position. 00005% at 1 kHz. It offers exceptional performance in almost any audio application. 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. Jun 7, 2016 · OPA1612 1612 will sound warmer, thicker, mellower and darker with most headphones and IEMs. I found that OPA1612 was in the ultimate soundplus collection that's why i have change for it. 8-nV/√ Hz noise density with an ultralow THD+N of –119. A custom reel is a continuous length of cut tape from one reel to maintain lot- and date-code traceability, built to the exact quantity requested. I's latest offering, the OPA1656. We would like to show you a description here but the site won’t allow us. 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. edit: looking closer at the pics, the I/V resistors are 390R (about half the datasheet values, which makes sense as they The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Skip to Main Content (800) 346-6873. Much more detailed HF eliminating listening fatigue. But that does not say anything about the SQ. Contact Mouser (USA) (800) 346-6873 | Feedback. No experience with the 1612 but the 1642 is super. lyzy rcqb afzmpof nykqz bza ucvsiznu grxmb fvnkwg egrw wqjo