Opa828 vs opa627 sbos671 (1) Jun 8, 2023 · However, since music signals are not suitable for measurement purposes, I think it makes sense to extend the measurement frequency for the sinus signal much more further outside the audio range - I would say between 100KHz and 300KHz. GMT+8, 2025-4-5 11:13, Processed in 0. It was a challenge to get it soldered. 🙂 Jun 13, 2016 · 結論としてなんだかんだ muses01とopa627シリーズがオペアンプ2強 なイメージです。 高域のmuses01 、 低域のopa627 な感じですね。 ≪おまけ≫. Neither of these newer op amps is available in DIP package which may be a consideration. Sounds like those are amazing though. Contents AD797 Description AD797 Specification OPA828 SBOS671B –SEPTEMBER 2018–REVISED DECEMBER 2018 OPA828 Low-Offset, Low-Drift, Low-Noise, 45-MHz, 36-V JFET-Input, RRO Operational Amplifier 1 1 Features 1• Low Input Voltage Noise Density: 4 nV/√Hz at 1 kHz • Input Voltage Noise: 0. 130493 second(s), 18 queries . In my opinion, better than the OPA627 but it has not yet earned its stripes in the audio community. Aug 11, 2023 · Continue to this OPA627 op-amps, I was quite shocked that the OPA627 can deliver better sound quality than OPA1622 in one specific music aspect. Jun 8, 2023 · I made a small adapter for HVSSOP to DIP 8 including thermal pad for the 2828. Also comparisons of the OPA627 and OPA637 would be good. Since noise dominates the THDN at lower amplitudes, it will continue to reduce vs. 高音質電源改善アクセサリーを中心に、音響を中心に電気で世の中に貢献しています。 Archiver | 手机版 | ( 鄂ICP备05007555号 ICP证:鄂B2-20130019 公安局网监备：420100007348 邮箱：1343292467@qq. 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. GMT+8, 2025-4-6 01:45, Processed in 0. 5mA/channel (typical). Analog | Embedded processing | Semiconductor company | TI. 1-Hz to 10-Hz noise. 8μv/℃ のドリフト、高精度オペアンプ です。 opa828 アクティブ 歡迎來到淘寶偉良音響diy，選購opa828 第三代，好評率100%，100+用戶購後寫下真實評論，其中2人說它提升明顯。快來查看更多買家秀和測評，讓你放心淘到寶！ 0:00 Susan Wong - Sunday Mornig OPA6271:23 Adele - Hello OPA6272:51 Radwimps - Grand Escape OPA6275:30 Yanagi Nagi - Harumodoki OPA6277:05 Susan Wong - Sunda Feb 28, 2021 · The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. These op amps supply low offset voltage (50 μV), low drift over temperature (0. With that little EQ trick the OPA828 is simply a better OP amp in my opinion. Recently, the number of op-amps in packages that are not friendly to DIYers, such as SOT-23 and WSON, has increased. 1hz 至 10hz。 Dec 6, 2018 · The OPA627 is mainly good for very low input bias - usually no need for this with audio. 1 Hz to 10 Hz: 60 nVRMS • Low Input Bias Current: 1 pA • Input Offset Voltage: 50 μV Aug 24, 2012 · lme49713 vs opa627 vs AD815 vs opa2134 vs opa1612 vs opa2836. But of course, how they're implemented and how they interact with the sound system as a whole makes all the difference. 212633 second(s), 17 queries . Jun 8, 2023 · No direct comparisons here but I’m using OPA828 in several projects and listening it every day for over a year. 激光暗码垂直光线就是难拍，等有心情焊接起来再测试。 已经焊接起来，解码器电路不合适，这几个型号贴片运放都自激，只能放弃。 白忙活一上午，焊了十几个运放。 Jan 28, 2018 · OPA627/37 I tried both OPA627 and OPA637 in this circuit, and both were pretty much the same because of the low gain setting of the feedback resistor. diyaudio. These op amps supply low offset voltage, low drift over temperature, low bias current, and low noise with only 60-nV RMS 0. . You have to be careful with the resistor values you select to place around the op amps. opa828 和 opa2828 (opax828) jfet 输入运算放大 opa627. Absolutely positive, nothing to complain. Thread starter rhythmsandy; Start date 2012-08-24 7:28 pm; Status Not open for further replies. It has a more forward presentation, with a much wider soundstage. I might get some of those to try in my Classic. My conclusion is that it is a fantastic sounding solution. Specs: Very Low Noise: 4. I use EQ in my system anyhow and I increase the levels in the lower mids which gives me the same "full" sound as the OPA627 has. OPA828 是單CHANNEL 單運放 雙運好似OPA 627 ->>OPA2107 就未有廠會叫人用 OPA2211 . Any detailed comparison done (in the context of audio) to the opamp, OPA627, that they are supposed to replace? Apr 20, 2023 · Part Number: OPA828 Other Parts Discussed in Thread: OPA627, OPA140, OPA2828, OPA827 Hello, We have legacy TIA for photodiode that was using OPA627. 106651 second(s), 17 queries . Oct 6, 2024 · OPA828パッケージはSOICおよびHVSSOPで提供されている。 今回も、老眼に比較的優しいSOICを使いDIP化した。 さて出音だが、OPA627を彷彿とさせる分厚い中低域、それでいて高域の繊細さを併せ持っている。 直前のOPA1655と比較すると、例えれば20代前半のピチピチで勢いある音に対し、40代前半の実力あるオトナの音という感じだろうか。 これがOPA627になると40代後半かな？ かなり満足度の高い出音となった。 ところで、DVD-5000のクオリティが上がるにつれ、一つ気になることが出てきた。 それは周辺環境に敏感に反応してしまうということ。 特に今回は電源コードをとっかえひっかえ試しているが、かなり明確にコードの音が出てくる。 器件型号：opa828 主题中讨论的其他器件： opa627、 opa140 、opa2828、opa827 . 6 nV/√Hz typical, while the OPA134 is rated at 8 nV/√Hz typical. Hopefully TI can one day "combine" the OPA828 with the JFE2140 for a really low noise JFET op-amp. 0, Ifi PowerX 5V, Thel Audio NT-25HQ, Tourmaline Chinch Caps, Supercapacitor USB Filter opa828 および opa2828 (opax828) jfet 入力オペ アンプは、OPA627 および OPA827 の次世代モデルで あり、高速性と高い DC 精度および AC 性能が特徴で Other cheap ones on my radar - OPA2134PA, OPA1612, LM4562NA. Mar 3, 2021 · Old thread, but just wanted to say I'm using an OPA828 (dual, with the Cimarron adaptor) for the input stage on my Pass WHAMMY amp. Part Number: OPA627 Dear Support, KIndly help me on the part number OPA627BP (DC:1931+, COO: Malaysia) Based on X ray, found wire bonding and lead frame design is different. Although it should be available for some time to come, TI recognized it that our customers needed a modern, low cost replacement. sbos671 (1). Other Parts Discussed in Thread: OPA627 , OPA134 , TPA6120A2 , OPA828 请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。 如需获取准确内容，请参阅链接中的英语原文或自行翻译。 Feb 29, 2008 · I've read about the 'Sondigo vs. Aug 5, 2004 · For OPA627, the improvement is substantial. The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. Whether this is a problem or not depends on the price level of gear we're talking about, and I've recently found it also depends on the signal chain as a whole. OPA6x7 Precision, High-Speed JFET Operational Amplifiers 1 Features • Very low noise: 4. And for IM measurements a two tone sine wave 199KHz+200KHz The OPA828 and OPA2828 ( OPAx828) JFET input operational amplifiers are the next generation OPA627 and OPA827, combining high speed with high dc precision and ac performance. 总结一下：opa627高频特别华丽，量也多，而且很柔。低频的量也很足，是我见过运放里面最好的,下潜深，速度快，结实。人声音方面，厚度不错，真的不敢相信高频和低频这么出色的东西有这么好的人声，三频分得很清, 而且在保留解析力的同时，也不失韵味 Feb 11, 2021 · Used OPA1656 in I/V of PCM1792 in dual mono configuration. To meet that need the new OPA828 was developed and is available. Dec 1, 2019 · opa828 および opa2828 (opax828) jfet 入力オペ アンプは、OPA627 および OPA827 の次世代モデルで あり、高速性と高い DC 精度および AC 性能が特徴で 0:00 OPA8282:30 OPA627プリアンプの初段のオペアンプの聴き比べです。人気があり、偽物まで存在するOPA627と、その血統で最新型のOPA828の比較です。OPA828がどの程度改善されたのか知りたくないですか？OPA828は最新型にもかかわらず、高価なOPA627とは価格がかなり違いますが、音の違いはどの程度な Jun 8, 2023 · The output opamp drivers were more hassle - replacing NE5532 using a mix of OPA828 for the high end/ upper mid, OPA627 for the bass and Burson v7 Vivid discrete for the sub - all these opamps are working at their peak in these frequency ranges. 孤高のエンペラー。その音は、他を寄せ付けない圧倒的な存在感。時に威圧感すらある。透明感・ダイナミズム・開放感・表現力と、どれをとってもその辺のディスクリート回路より良い。僕はこの石に出会ってディスクリの勉強をやめた。 Jun 8, 2023 · Unfortunately the noise of the OPA828 is relatively high, compared to the best bipolar op-amps. 146701 second(s), 17 queries . com/watch?v=FexiCtgv9dk- Aiyima A80 + Bowers & Wilkins 707 S3:https:/ Aug 27, 2016 · OPA827搭載のアナコンダが非常に音が良かったのですが、いろいろと調べると評価は高いみたいです。非常に高価で性能が高いオペアンプ、OPA627の弟？妹分みたいです。価格は1,500円くらい、SOICというタイプで基盤に半田付けする必要があります。変換基盤に付いて売っている物で、2個5，000円強 by OP-amp by song Jump table ↓* VOCAL CLASSIC POPSMUSES03 0:42~ 1:42~ 2:43~ Operational amplifiers (op amps) Precision op amps (Vos1mV)1mV) We would like to show you a description here but the site won’t allow us. In final have to say, that OPA1656 is best of the best in I/V for me to now. Best SQ have with 1656. I doubt I will jump up enough to try a Sparkos or Burson. OPA627 seems to have a tiny bit more clarity. For use with this DAC, my preference order is like: AD843AQ > OPA627 > OPA828 > OPA1656 > OPA1612. Oct 5, 2022 · Images show OPA627, Burson V5 and Buson V6 Classic op-amps and their relative size and Cyenne Dac 3100 with OPA627 and two V6 Classic op-amps in sockets. Apr 8, 2023 · 0:00 opa8272:30 opa627プリアンプの初段のオペアンプの聴き比べです。人気があり、偽物まで存在するopa627と、そっくりな音のopa827の比較です。opa827が Feb 17, 2018 · OPA828 / OPA2828 vs OPA627 Rings my alarm bell too much :) www. 准备测试opa828. opa828 および opa2828 ( opax828) jfet 入力オペアンプは、opa627 および opa827 の次世代モデルであり、高速性と高い dc 精度および ac 性能が特徴です。 これらのオペアンプは、低オフセット電圧、温度範囲全体で低ドリフト、低バイアス電流、低ノイズが特長であり opa627对比op. May be 828 will be better, but i have to do some thing in the board to extract best of it. 咁19年頭退左陣燒 無再掂太多HEAD FI 野 . OPA827 is also a great op amp for the signal path. Open-Loop Gain and Phase vs Frequency Offset Voltage Drift OPA828, OPA2828 SBOS671D – SEPTEMBER 2018 – REVISED DECEMBER 2022 OPA627. In exchange for two Burson Classic dual op-amps I writing my honest review of their performance in comparison to OPA627 and the Burson V5s I already own. I hear OPA828 is the new version of the OPA627, so I may try that one out. Oct 22, 2015 · OPAMPによる音の変化は大きい LP-2024Aのダイレクト側にOPA627、トーン側にMUSES02を装着して、 音源によって切り替えて使っている。 両者の音質は同等だが、音のバランスが違うと言ったが、 最も違うと感じるのは、ボーカルの位置。 OPA627はボーカルが近い。全体的に音が近いので迫力はある Jul 4, 2009 · I have tried every version of the OPA627, including the metal can version, the AD797, AD827SQ, AD847SQ, OPA828, Sparkos SS3602, Burson V6 Vivid, OPA1611, OPA2156, and many many others. Blind listening with headphones saw me select OPA627 and 827 with the same character and resolution of bassline behind piano (maintaining timbre), against a small selection of others - including 1611/1612, strage considering they spec better than the 827. Google probably thinks it's old news like everyone else. 01% Mar 11, 2019 · The OPA828 operates over a wide supply-voltage range, ±4V to ±18V, on a supply current of 5. opa827. And the "tail" dissappears. Newer op amps provide a far more detailed and precise sound, which in turn also results in a broader tonal range. OPA627 mid-range, especially for the vocals are a little bit more forward in the presentation but more presence and body. To test the parts out what is the resistance between pin 5 and pin 7 of a genuine part? Pin 5 is normally one of the input terminals for an 就好比opa627 大家都知道可以通过阻值测量判断是否正品，其它的运放也可以。 不管哪个封装，阻值相差都不大，就像AD827JN跟AD827SQ其阻值几乎是相同的，这里就不过多介绍了，手头上有这两个运放的可以自己动手测试对比一下便知。 ti の opa627 は 55v/μs、高速、最大 0. It depends very much on the circuit if a faster OP can be used. AC characteristics, including a 45MHz gain bandwidth product (GBW), a slew rate of 150V/µs, and precision dc characteristics, make the Texas Instruments OPAx828 an excellent choice for various systems. The AD8610 seems to present a more open window, especially in the highs, on music, transients and realism of highs being enhanced. This presented itself as a more refined and detailed version of the OPA2604. OPA827. Only very very well designed discrete circuit is capable to give same sound quality as OPA627 with increased Iq. Noise and distortion wise OPA1641 or OPA827 perform better. OPA2828. opa827はopa627の音をそのままに、製造コストを下げるチャレンジをした新型のオペアンプです。opa828というさらに最新型も出現したのですが、音はopa627とは少し異なるカンジになってしまいました。 opa627はあらゆる点でバランスの良い音が出る優等生です♪ hifidiy论坛-一直以来，手头玩过的运放不计其数，自以为对运放已经很有心得，没想到今晚偶然的一次pk竟然颠覆了之前的所有经验。玩过的单运放有opa627,opa134,opa604双运放有：opa2 Oct 26, 2021 · I want to examine the sonic virtues (?) of an OPA627 for myself, however genuine OPA627's "seem" getting hard to find at less than $40 each from Digikey. In my experience the OPA828, SS3602 and MUSES03 are easily the best I've heard, regardless of whether they're used in the Essence III dac, or in the Purifi opa828 および opa2828 ( opax828) jfet 入力オペアンプは、opa627 および opa827 の次世代モデルであり、高速性と高い dc 精度および ac 性能が特徴です。 これらのオペアンプは、低オフセット電圧、温度範囲全体で低ドリフト、低バイアス電流、低ノイズが特長であり Jul 4, 2009 · Source: Linux Mint + EasyEffects + PipeWire + 192khz Upsampling Interface: Black Lion Audio 2x2 Revolution Speakers: Presonus Eris E8 Headphones: DT880 250ohm Tweaks: Topping HS01, Ifi AC Purifier, Ifi Isilencer 3. Tried in this place OP275, OPA1612, OPA1642, OPA1656 and OPA828. The OPA627 1 kHz noise is rated at 5. It is on the mid-range. com Jul 4, 2009 · The entire OPA627 line sounds obsolete compared against OPA828. output amplitude. 5nV/√Hz at 10kHz • Fast settling time: – OPA627: 550ns to 0. 8µv/˚c 最大漂移精密運算放大器。 opa828 現行 高速 (45 mhz Jul 12, 2004 · Well, listened again last night to AD8610 (unbiased) vs OPA627 (biased into Class A, 2mA, with a JFET) and there is a difference. GMT+8, 2025-4-5 01:34, Processed in 0. TI lists OPA828 as being a "drop-in" replacement for it however after just swapping OPA627 to OPA828 device does not function as intended in fact we don't see any output signal from the device. オペアンプのそれぞれ違う据え置きアンプdr. opa2828. GMT+8, 2025-4-3 14:45, Processed in 0. OPA828. com ). I found that Texas Instruments released a successor to the OPA627 opamp in 2018, the OPA828. That said, a few people consder the OPA637 an 'upgrade' from the AD8620. common mode voltage that I've measured on any op amp. dac2 dx 3 days ago · Archiver | 手机版 | ( 鄂ICP备05007555号 ICP证:鄂B2-20130019 公安局网监备：420100007348 邮箱：1343292467@qq. The OPA1688 also has a different pinout from the standard opa627はdc、acスペックとも素晴らしい性能で、オーディオをはじめ計測器、医療機器などでここぞという箇所に使われていますが価格が高いです。 このOPA827はOPA627の性能を維持しながら価格を下げるという目標のもとシリコンゲルマニウムという新プロセス Oct 13, 2023 · The only online material left on the Headsave Classic is my Head-Fi thread from 2005. The OPA828 and OPA2828 (OPAx828) JFET input operational amplifiers are the next generation OPA627 and OPA827, combining high speed with high dc precision and ac performance. Nov 23, 2013 · 单运放的它首先opa627的声音十分平衡、大气、细腻清晰，声音较清亮、速度感好、动态高、解析力也高，感觉有那么一点点躁动火气。 声场有深度，广度欠，速度感佳，高频清脆，低频感觉速度感佳，力度稍欠。 opa828 和 opa2828 ( opax828) jfet 输入运算放大器是 opa627 和 opa827 的下一代产品，兼具高速度、高直流精度和高交流性能。 这些运算放大器可提供低失调电压、低温漂、低偏置电流和低噪声，噪声仅为 60nv rms 0. I would say though that on some CD's it can come across as a bit bright. 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. Mar 17, 2019 · The OPA1641 would be slightly better. Performances of OPA627 and OPA828 are very close. opa828. Meaning, it does not have some specific sound signature but is perfectly transparent, providing extremely clean and detailed sound that is very enjoyable end does not build 人気があり、偽物まで存在するOPA627と、その血統で最新型のOPA828の比較です。 OPA828がどの程度改善されたのか知りたくないですか？ OPA828は最新型にもかかわらず、高価なOPA627とは価格がかなり違いますが、音 Jun 8, 2023 · Compared to OPA627 and OPA827, OPA828 has improved headroom. However, there is a difference from rail-to-rail OP-AMPs. Hope this helps, I have tried my favorite list of op-amps: OPA1656, OPA828 (with adapter), OPA627 (with adapter), and AD843AQ (with adapter) . Oct 5, 2023 · AD797 vs OPA627 Update Time: Oct 05, 2023 Readership: 5380. youtube. Aug 14, 2004 · Burr-Brown OPA627 : 이넘은 싱글타입으로 위의 OPA2604와 비슷한 느낌을 주지만 그보다는 중저음과 조화로운 느낌을 주는 OPAMP이며 위의 두 제품에 비해 상당히 고급 OPAMP에 속하는 제품으로 가격이 상당한 수준에 있다. I also really liked the OPA627 that I had in an audio-gd dac years ago. zhcsiq4d. It has the most stable input capacitance vs. 第二个折腾基本失败。muses03 vs ad797 anz。muses03 的效果也算不错，背景干净，速度也还行。但明显ad797anz在背景干净这些情况下，声音还稍篷松一点点。略胜。考虑到价格。那当然还是ad797anz胜出。 看来iv这个位置，要打赢ad797anz确实还有点难点。 Aug 5, 2019 · 電子部品,通販,販売,半導体,ic,led,マイコン,電子工作opa827 デュアル(2回路)化dipモジュール秋月電子通商 電子部品通信販売 Mar 17, 2021 · 运放不要太迷信opa627，现在opa828是opa627的升级品，价格更便宜，性能更好。 至于楼主图上的那些运放，都是山上面来的，在我看来一文不值。 还有现在觉得声音薄，齿音重的耳机，一个SE5532AFE就可以治愈。 ti의 opa627은(는) 55v/µs 고속 0. Home > Blogs > Transistor > AD797 vs OPA627. Haven't performed measurements to check for oscillation yet, but it sounds great. opa828比opa627提升不少，三频的分离度，低频的深度力度，乐器的清晰度，人声的细节都是一耳朵提升，如果阁下不能明显听到区别，那么升级运放不是很有必要了，从其他方面找找原因。 May 1, 2021 · opa627 628の次世代と謳ってるのを痛感しました！ ある程度のOPAMPならばと思っていましたがOPA828 の音は手持ちのOPAMPにはない音がしています かと言って低中域も固い音、柔らかい音もでるのでジャンル問わず聞けるOPAMPでも有ります Jun 26, 2016 · かのopa627の後継品とされています。 既にOPA627を持っていましたが、やはり気になったので購入しました。 伝説の石の後継品 - OPA827AIDのレビュー | ジグソー | レビューメディア May 1, 2021 · opa627 628の次世代と謳ってるのを痛感しました！ ある程度のOPAMPならばと思っていましたがOPA828 の音は手持ちのOPAMPにはない音がしています かと言って低中域も固い音、柔らかい音もでるのでジャンル問わず聞けるOPAMPでも有ります Jun 26, 2016 · かのopa627の後継品とされています。 既にOPA627を持っていましたが、やはり気になったので購入しました。 伝説の石の後継品 - OPA827AIDのレビュー | ジグソー | レビューメディア Jul 4, 2009 · The downside I found was that OPA828 had less lower mids, which made the OPA627 sound a bit fuller and warmer. com 4K / AAC Hypex Ncore NC252 vs Fosi V3? (vs Topping pa5 II, pa7+?) CauliflowerEars; 打分：60分； opa828+opa627，这个组合的高频略好于opa828+2604，细腻顺滑算是自己所有组合中最好的一批，中频也很干净，低频也很干净，它们的问题出在低频上，动态和下潜都不太够，ns17的低频感觉没出来，如果你不想低频太猛，那这个组合应该可以了。 The OPA1641 would be a good alternative for the OPA627 in the servo, or for that matter, in the signal path. It would also be interesting to measure the performance of the ADA4898. Help! The OPA828 and OPA2828 ( OPAx828) JFET input operational amplifiers are the next generation OPA627 and OPA827, combining high speed with high dc precision and ac performance. ，百元diy解码器试听 5534+opa627+49710 建议带耳机试听，价格如此悬殊的两颗运放，不知道声音表现怎么样，差距有有多大，弗西Fosi Audio数字功放V3更换5种不同的运放芯片（NE5532、4580D、SS3602、MUSES02、OPA2604）试听来啦，平民和贵族！ Jul 4, 2009 · Newer op amps generally preserve detail better than old ones (like OPA828 vs AD797BRZ), and single op amps tend to preserve more detail than duals (like AD827SQ vs AD847SQ). The effect is in clearer mids and highs and the overall resolution for the complex music. 3 days ago · Archiver | 手机版 | ( 鄂ICP备05007555号 ICP证:鄂B2-20130019 公安局网监备：420100007348 邮箱：1343292467@qq. If they are too high in value their thermal noise will exceed the voltage noise of the op amps, and degrade the overall noise performance of the ti 的 opa627 為 55v/µs 高速 0. Sep 16, 2023 · opa828はopa627とopa827の後継と位置付けられたop-ampで特性もよく似ている。データシート上のスペックでは概ね全項目でopa627を上回るほか、opa627より入手性が良いのもポイントである。 opa828の音はopa627とopa1656の中間的に聴こえる。 Jan 28, 2020 · TI 官網介紹The OPA828 JFET is the next generation OPA627 and OPA827 operational amplifier (op amp), combining high speed with high DC precision and AC performance. Feb 23, 2025 · - Aiyima A80 + Sparkos SS3602 with Triangle Comete 40th sound demo:https://www. 5 nV/vHz at 10 kHz but they are pricy (€40/pc) ! We would like to show you a description here but the site won’t allow us. Operational amplifiers (op amps) Precision op amps (Vos1mV)1mV) We would like to show you a description here but the site won’t allow us. 45 μV/°C, typical), low bias current (1 pA, typical), and low noise (4 nV/√Hz, typical) with Dec 12, 2015 · 今までプを変えたくなった病にかかってしまいました。今まで、opa1622を使用していて大きな不満はなかったのですが、気分転換したくなりました。そうなると気になったのが、情報がほとんどないopa828。 ちゃんと動作するか、イチかバチかで勝負しました。 May 23, 2016 · Hi since end of the 90's the OPA627 has been a very good audio grade operational amplifier. Mar 25, 2023 · 0:00 OPA8283:00 OPA8276:00 OPA6279:00 MUSES05signal chain DENON DL301Ⅱ~[ OP-AMP phono-EQ ]~OPA1622 voltage follower~ZOOM H5OPA627は、高音質で有名なオペアンプです。 OPA827は The OPA627 is a legacy high-performance Op amp that provides very high electrical performance overall. dac2 dx 聴き比べ 試聴環境はvantamの時と同じです。 ノーマルdr. The music is more liquid. X-fi Prelude' comparison a few threads down and I basically concluded from that the AD8620 might be considered better than the default LM4562. 8µv/ºc 최대 드리프트 정밀 연산 증폭기입니다. But, both have great 1/f nose and THDN overall, and fairly flat open-loop output impedance, so there shouldn't be any major audible differences. May 24, 2023 · opa828 / opa2828 vs opa627 By now it has been a while since OPA828 (and OPA2828) were released. 您好！ 我们有传统的光电二极管 tia、以前使用的是 opa627。 ti 列出 opa828是它的"直接"替代产品、但在将 opa627交换为 opa828器件后、它无法正常工作、实际上、我们不会看到该器件发出任何 opa627. 高频其实这版也够好了，但自己还是不满足，想通过换运放进一步提升它的表现。然后自己就在网上和群里找了几款号称牛A和牛C之间的运放，包括MUSES02，MUSES8920，AMP8920，49720，OPA828共五款，和原来的opa2604一起来了个大比拼。 四、选择运放也是个事，最终确定opa828 Note the OPA627 graph shows THDN at +/- 10 V, whereas the OPA1644 and OPA828 use +/3 V. 매개 변수, 주문 및 품질 정보 opa828 활성 고속 5 days ago · Archiver | 手机版 | ( 鄂ICP备05007555号 ICP证:鄂B2-20130019 公安局网监备：420100007348 邮箱：1343292467@qq. I got OPA828 as soon as it was released, loved it, and have been using it for over four years, but I never noticed anything. ygwmvmuvczdlorwetbtyodynjzwdkkieapfrfdstqgddiqjcncxbglueiudqucojehwcdoebtq