Opa1612 vs opa1642 vs opa16. --lme49722 lme4562 lm4562 opamp is very good sound ,higher ratings than opa2134 -but not as Part Number: OPA1642 Other Parts Discussed in Thread: OPA1612, , OPA1652, OPA1688, OPA1662, OPA1602. 707dBc=0. Eric Mo Intellectual 775 points Part Number: OPA2134 Other Parts Discussed in Thread: OPA1656, OPA134. . Find parameters, ordering and quality information We would like to show you a description here but the site won’t allow us. The OPA1612 offers rail-to-rail output swing to within 600 mV with a 2 kΩ load, which increases headroom and maximizes dynamic range. TI’s LME49860 is a 2-channel, 44-V, high-fidelity, high-performance audio op amp. 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. We would like to show you a description here but the site won’t allow us. May 9, 2023 · Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. I don't care about listening tests or something else, just want to use the technical better one in my amp. 2-nV/√ Hz noise density and distortion of –127 dB at 1 kHz. 2 dB at 1 kHz, while driving a 32-Ω load at 100-mW output power. Unfortunatly with the new OPA1612 I have obtained a lot of noise on the output channel. 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. 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. Jan 28, 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). Opa1642 sounds a bit smoother and silky at top end but a little bit fat in the mids. ••• 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 THD+N vs Frequency (2-k Ω Load) OPA1677 , OPA1678 , OPA1679 SBOS855E – JANUARY 2017 – REVISED DECEMBER 2022 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. Goes to show you how good it really is. It ensures a very low noise density of 1. Two identical gain 11 amplifiers were tested. I would recommend OPA2134 or OPA134 and if you have money the OPA627 or OPA637. 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. OPA1612 on paper has lower voltage noise but whether its lower noise in practice depends on the circuit impedances. 3nV/rtHz) and distortion (-124dB), wide bandwidth (22MHz) audio op amp. 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 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. Find parameters, ordering and quality information 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. 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。 Oct 15, 2014 · Texas Instruments' OPA1612 (dual) bipolar-input operational amplifier achieves very low 1. May 23, 2018 · The first time I did test with opa1642 opa2156 (precision opamp version of opa1656) opa1612. 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. PRODUCTION DATA. (NOTE: We once owned a recording studio together back in the late 1970's through the early 1980's. LME49720 vs OPA1612 vs Muses02. I found that OPA1612 was in the ultimate soundplus collection that's why i have change for it. It has the most stable input capacitance vs. The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. Output Current characteristic curves seem to behave in opposite manners. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. . Aug 24, 2012 · i tryed lme49722 opa2134 and opa1612 ,--. Jan 16, 2017 · Below are THD+N vs. ti. diyAudio Community diyAudio The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. It's a killer OpAmp, and better suited to OPA1611, OPA1612 www. 000015% at 1 kHz. If a FET-input amplifier is required for low bias current (such as for a phono preamp), you might consider the OPA1642 or OPA1678. 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. ) He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. Pin can be left floating or connected to any voltage between (V–) and (V+). The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. NE5532 is a very good amplifier especially for the price ($0. OPA1611, OPA1612 www. Feb 11, 2021 · Below is a comparison between OPA1656 and OPA1642. Mar 22, 2022 · The OPA1612 is one of the best I’ve ever encountered, the LME 49720 are hard to beat at any price……. 1 nV/√Hz noise density with an ultra-low distortion of 0. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational Amplifiers 1 Features • Ultra-low noise: – Voltage noise: 2. 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…. Mar 17, 2019 · The OPA1641 would be slightly better. 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 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. 25 V to ±18 V Device Information(1) 2 Applications PART NUMBER PACKAGE BODY SIZE (NOM) • Professional Audio Equipment OPA1612-Q1 SOIC (8) 4. 9 nV/√Hz at 10 kHz 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 OPA1622, dual, bipolar-input, SoundPlus™ audio operational amplifier achieves a very low, 2. Part Number: OPA1642 Other Parts Discussed in Thread: OPA1652. It offers exceptional performance in almost any audio application. 90 mm × 3. With OPA1632 both channels show equally low -116 dBV (non-weighted) noise while with LME49724 there is some variation in one channel. These sound great and outshine many of the other modern high performance audio opamps out there today. Jan 10, 2016 · I talked yesterday to my buddy Greg B. e. Nov 30, 2021 · OPA2134: OPA2134 VS OPA1656. 6 mA per Channel package. : about 1mV vs. Dec 9, 2019 · In the end I left inside the OPA1652 due to the lowest DC-voltage on outputs (e. tnt-audio. Addon BalOut has placeholder for THAT1606 balanced buffer but as can be seen from the graphs this is a serious performance bottleneck. Transients are stronger, both rimshots of snare drum and big-band trumpets. 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. Both fet based opamps sounds a little bit more solid in the bass (not quantity but the imaging and the texture). Hi Team, My customer wants to Aug 3, 2019 · Switching to the OPA1612 and the OPA1642 doesn't appreciably change the measurements of the MC stage. The OPA1612-Q1 device is available in a SOIC-8 3. 1-nV/√Hz as well as an extremely low distortion level of 0. Professional audio mixer or control surface 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). 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. who builds large PA speaker systems. The device is specified from –40°C to • Rail-to-Rail Output +125°C. The OPA1656 immediately raised my attention, plus there was/is a long thread about it on diyaudio. 5 VVS+ + 0. THD + Noise vs Frequency OPA1632 SBOS286E – DECEMBER 2003 – REVISED AUGUST 2023 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. 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. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. the SS V6 (510mV), but all of the above opamps were having about the same THD, just the noise (and THD+N) was a bit higher on the LME49860, not sure why. 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 The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. It has OPA2604 buffer amps that many have replaced with dual OPA627BP's with good results. 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. com with a TI insider involved. frequency plots. It appears that the May 15, 2022 · Buggle2 Riaa board. TI’s OPA1662 is a Dual SoundPlus™ low noise (3. 91 mm The OPA169x operational amplifiers achieve a new level of performance for low-power amplifiers with a low 4. Two cases were evalutated – in a Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. 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. g. the differences aren't huge, but big enough to make a change worthwhile. VS– – 0. Jun 8, 2023 · THD=-117. com 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. Nov 19, 2014 · opa1612 与 . 000130% Although the price was also cheap, It is a pity that NS was absorbed by TI and was abolished after losing the brand power competition with BB. 000015% at 1kHz. Every amp. common mode voltage that I've measured on any op amp. The dual and quad versions feature completely independent circuitry for lowest crosstalk and freedom from interactions between channels, even when overdriven or overloaded. 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？ May 3, 2022 · Its not immediately clear what would upgrade NJM4580 which is already quite low noise. 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 Jan 6, 2010 · I have an Onix XCD-99 which is basically a Music Hall CD-25. • Wide Supply Range: ±2. 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. But $40-57 each. 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. Hi team, The following two sets of Output Voltage vs. consists of 2 x 10 op-amps in parallel and the two 10s are balance connected. 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. 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 Apr 10, 2019 · I have interested in low ESR Electrolytic Capacitors to power the Opa1612. Depending on the actual application circuit, there are alternatives with better noise performance. TL074 is easily surpassed by OPA1644, that's a no-brainer. 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 Dec 28, 2017 · There are some things to watch out for when swapping op amps. Hello, I am looking at replacing the old JRC opamp in my phonostage of my amplifier. So, the OPA1612 plus mini board is a suitable alternate to the LT1115/AD797 and the OPA1642 plus adapter to the LME49720. For OPA1642, the output current (limit) appears to increase with increasing temperature. OPA2134 is probably a good choice in general. 8-nV/√ Hz noise density with an ultralow THD+N of –119. TI was going to discontinue the LM4562 and others as well. amplitude and THD+N vs. 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 8, 2017 · 电子发烧友网为你提供ti(ti)opa1612相关产品参数、数据手册，更有opa1612的引脚图、接线图、封装手册、中文资料、英文资料，opa1612真值表，opa1612管脚等资料，希望可以帮助到广大的电子工程师们。 The TI OPA1612 dual operational amplifier benefits from excellent technical characteristics, allowing very good electrical and audio performance. 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. Dec 11, 2019 · Normally you'd regularily search in the manufacturers new product listings first for any new interesting products. 1-nV/√ Hz noise density with an ultralow distortion of 0. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. 5 V IN+, IN− current –10 10 mA OUT+, OUT− current –50 50 mA Output short-circuit(4) Continuous TA Operating Temperature –40 150 °C TJ Junction Temperature –40 175 °C Tstg Storage Temperature –65 150 °C (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. 6 mA but I know I’m in the Op amp thread so I don’t want to take the thread off topic. 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 System: Equitech 1. I try to use a cheap component like NE5532P, no noise, with OPA2134 no noise with the OPA1612 a lot of noise. 5). 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. hbjfurkniuyznplvnlcdcgahdecfdhkfhszclwiuyuuyw