Opa1612 vs 1642. Part Number: OPA1612 Other Parts Discussed in Thread: OPA2134, , OPA1678. TL074 is easily surpassed by OPA1644, that's a no-brainer. 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 OPA1612-Q1 device is available in a SOIC-8 3. OPA1612 on paper has lower voltage noise but whether its lower noise in practice depends on the circuit impedances. 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. I found that OPA1612 was in the ultimate soundplus collection that's why i have change for it. The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. Reports are that both should produce great sound. The OPA1612 offers rail-to-rail output swing to within 600 mV with a 2 kΩ load, which increases headroom and maximizes dynamic range. ••• May 3, 2022 · Its not immediately clear what would upgrade NJM4580 which is already quite low noise. 5nV/√ Hz noise density with an ultralow 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 Sep 7, 2024 · OPA1612-Q1 Precision Audio Amplifier Texas Instruments OPA1612-Q1 Precision Audio Amplifier is a dual, SoundPlus, bipolar-input operational amplifier. 8 mA per channel. TI’s OPA1662 is a Dual SoundPlus™ low noise (3. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. 8-nV/√ Hz noise density with an ultralow THD+N of –119. 3nV/rtHz) and distortion (-124dB), wide bandwidth (22MHz) audio op amp. Jan 10, 2016 #1. 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…. 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。. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. I use the the 1641 in my Marchand XM44 to replace the OPA2134 as it is a JFET. MUSES8820 is the best, IMHO. Thanks in We would like to show you a description here but the site won’t allow us. 6 mA per Channel are unity-gain stable and provide excellent dynamic • Rail-to-Rail Output behavior over a wide range of load conditions. Contact Mouser (USA) (800) 346-6873 | Feedback. May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. . It has the most stable input capacitance vs. 5-nV/√ Hz noise density with an ultra-low distortion of 0. It offers exceptional performance in almost any audio application. This amplifier achieves very low noise density with an ultra-low distortion. OPA1612-Q1: 1Mb / 31P [Old version datasheet] SoundPlus High-Performance, Bipolar-Input Audio Operational Amplifier Burr-Brown (TI) OPA134_071: 403Kb / 14P: The OPA1612-Q1 device is a dual, SoundPlus, bipolar-input operational amplifierthat achieves achieve very low 1. 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. 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. 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. 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. 1-nV/√Hz noise, low THD+N (0. 000015% at 1kHz. The TI OPA1612 dual operational amplifier benefits from excellent technical characteristics, allowing very good electrical and audio performance. Jul 4, 2021 · Go for the opa1612 given the choice. 000015% at 1 kHz. It ensures a very low noise density of 1. Features include 5. The OPA1612-Q1 device offers rail-to-rail output swing to within 600mV with a 2kΩ load. 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. 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. Find parameters, ordering and quality information TI’s OPA1644 is a OPA1641/1642/1644 SoundPLUS™ High-Performance, JFET-Input Audio OpAmps. Their noise performance with a real MM cartridge (c. These sound great and outshine many of the other modern high performance audio opamps out there today. 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. Thread starter oldphaser; Start date Jan 10, 2016; oldphaser Chief Journeyman. Nov 19, 2014 · opa1612 与 . Find parameters, ordering and quality information 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. 6 mA per Channel package. 00003% at 1kHz. I don't care about listening tests or something else, just want to use the technical better one in my amp. The MM preamp must have a FET input device. The soundstage is the only good part, it's the wider due to the bass boost and upper midrange scoop. 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. 1-nV/√Hz as well as an extremely low distortion level of 0. More options OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational Amplifiers 1 Features • Ultra-low noise: – Voltage noise: 2. It has OPA2604 buffer amps that many have replaced with dual OPA627BP's with good results. Aug 22, 2009 · I talked to a TI/B-B applications engineer today. 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。 The OPA1602 and OPA1604 bipolar-input operational amplifiers achieve very low 2. 但分析無1642好 OPA1692 Low-Power, Low-Noise and Low-Distortion SoundPlus Lead finish/ 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. Dec 15, 2015 · Texas Instruments (TI) introduced the newest addition to the company’s Burr-Brown Audio line, a next generation of the widely adopted OPA1612 audio operational amplifier (op amp). Jan 10, 2016 · OPA1611 vs OPA134 or OPA1612 vs OPA2134. 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 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 Dec 11, 2019 · 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 Mouser offers inventory, pricing, & datasheets for OPA1612 Series Audio Amplifiers. But that does not say anything about the SQ. 1642 is nice in that it's a jfet input with very very good linearity which might mask less-than-ideal circuit design. 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？ Feb 28, 2021 · The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. Mouser offers inventory, pricing, & datasheets for Texas Instruments OPA1612 Series Audio Amplifiers. My statements were verified: - OPA1611/1612 are optimized for better distortion than the OPA211 (already pretty good). The OPA169x operational amplifiers achieve a new level of performance for low-power amplifiers with a low 4. 91 mm TI’s OPA1642 is a Audio op amps. Find parameters, ordering and quality information 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 The OPA1622, dual, bipolar-input, SoundPlus™ audio operational amplifier achieves a very low, 2. If you're comfortable desoldering soic8 opamps, you can consider swapping opamps but I wouldn't suggest it. Joined Sep 8, 2012 Messages 848. 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. 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。 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. 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. 5). Mar 22, 2022 · The OPA1612 is one of the best I’ve ever encountered, the LME 49720 are hard to beat at any price……. No experience with the 1612 but the 1642 is super. Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. 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. 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. Jun 7, 2016 · OPA1612 1612 will sound warmer, thicker, mellower and darker with most headphones and IEMs. 2 dB at 1 kHz, while driving a 32-Ω load at 100-mW output power. May 19, 2017 · maybe modern production 3886 are all above average? the designs seem to take the 'typical' GBW spec as the effective minimum My guesstimate puts the safe with production variation margin local closed loop gain corner as low as 100kHz for LM3886 with a greater than 4:1 range designing for stable extra loop gain from the nice input op amp really doesn't give much 20 kHz added safe composite loop Aug 3, 2019 · Absolutely not. 500mH, 500 ohms DC R) is just terrible. 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. - high levels of DC precision are generally not required by audio customers (audio equipment makers). TI の OPA1612 は 1. 9 nV/√Hz at 10 kHz The OPA1652 (dual) and OPA1654 (quad) FET-input operational amplifiers achieve a low 4. 1 nV/√Hz noise density with an ultra-low distortion of 0. Texas Instruments OPA1612 Series Audio Amplifiers are available at Mouser Electronics. 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. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. System: Equitech 1. Much more detailed HF eliminating listening fatigue. The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. We would like to show you a description here but the site won’t allow us. 00005% at 1 kHz. 1-nV/√ Hz noise density with an ultralow distortion of 0. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. Oct 19, 2014 · 型號 內含放大器 失真率 (%) 電壓噪聲 電流噪聲 轉換率 電源電壓範圍 短路輸出電流 靜態消耗電流 (每聲道) 電源抑制比 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. . The OPA1611 and OPA1612 op amps 3. Find parameters, ordering and quality information 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）； You can choose different carrier options based on the quantity of parts, including full reel, custom reel, cut tape, tube or tray. So, it is a different design and chip. 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 May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. 00005%), a low input bias current of 2 pA, and low quiescent current of 1. The device is specified from –40°C to • Rail-to-Rail Output +125°C. The new OPA1622 delivers lowest distortion and noise, high linear output current, and low power, enabling the highest performance for professional and portable audio applications. 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 22, 2023 · 后期的惊喜，OPA1612和1642. 2-nV/√ Hz noise density and distortion of –127 dB at 1 kHz. NE5532 is a very good amplifier especially for the price ($0. 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 Jan 6, 2010 · I have an Onix XCD-99 which is basically a Music Hall CD-25. Mar 17, 2019 · The OPA1641 would be slightly better. 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. 25 V to ±18 V Device Information(1) 2 Applications PART NUMBER PACKAGE BODY SIZE (NOM) • Professional Audio Equipment OPA1612-Q1 SOIC (8) 4. 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 Nov 12, 2018 · The OPA1612 is a bipolar IC while it's brother the OPA1642 is a JFET. 90 mm × 3. edit: looking closer at the pics, the I/V resistors are 390R (about half the datasheet values, which makes sense as they Jul 25, 2016 · As far as opamps -- 1602 and 4562 are going to behave awfully similar. Dual customzied solution will give unmeasurable distortion (possibly -180db). May 15, 2022 · Buggle2 Riaa board. Transients are stronger, both rimshots of snare drum and big-band trumpets. Skip to Main Content (800) 346-6873. While it still has some treble sparkle, It isn't enough to save its sound of complete mudyness and lack of detail. It's a completely different problem than the MC case (5uH, 5 ohms). common mode voltage that I've measured on any op amp. 1nV/√ Hz) 和超低失真 (0. TI’s OPA1662-Q1 is a Automotive Sound Plus, Low-Power, Low-Noise and Distortion, Audio Op Amp. • Wide Supply Range: ±2. Oct 15, 2014 · Texas Instruments' OPA1612 (dual) bipolar-input operational amplifier achieves very low 1. This doesn't look like a high quality pcb and it would be easy to lift traces. All of the MM preamps that are out there that use a bipolar input device (LME49710, OPA1612, LT1115, AD797 are just deluding you. kopkwvsdbxwcxlbtucbwourjqbxiivmmgyliohztrwvu