Opa1612 vs lm4562

• Opa1612 vs lm4562. Here is a test @ASR of OP amp rolling. 1nV/root Hz at 1kHz with a 10Hz 1/f corner and will cheerfully drive 600 ohms. when we use opa1612 to translate difference input to single-ended output, the output is distorted, pls. I'm looking for a replacement for the NE5532 (dual opamp), which can handle +/-18Volt and doesn't oscillate relatively easily. 2-channel, 55-MHz, high-fidelity, high-performance, RRO audio op amp. Data sheet. Feb 29, 2008 · The LM4562 is a nice opamp and won alot of awards when it was released for the performance to price it is good. #13. #6. Never heard a Weiss. Jan 19, 2023 · - LMP8672 (probably discontinued) - OPA1612 (which is barely available in SOIC8 at the moment) - ADA4898-2 - OPA1656 (if the circuit around it is right, it performs like opamps which are much more expensive, because of the FET Input stage it doesn't produce so much noise even with higher resistor values on its inputs) - AD8599 ( not a very fast Jul 30, 2021 · Here we see that the LM4562, LM833, LM49720 and OPA2134 all have the same level of performance with the NJM2742 having the worst performance of the bunch and the LT1352 being just slightly worse. The OPA1612-Q1 device offers rail-to-rail output swing to within 600mV with a 2kΩ load. The 4627 is faster the the 627 (82v/uSec vs. Parts. 6 fa/rtHz broadband current noise. The sparkos opamps are very good as well but are IMO sonically warmer than the Sonic Imagery. Jun 13, 2016 · オペアンプ、聴き比べ開始。. In terms of noise performance in the real world the OPA1612 beats the LME49720. The OPA1611 and OPA1612 offer rail-to-rail output swing to within 600 mV with a. Best SQ have with 1656. Tpa3251 has lower hiss. 5 days ago · OPA1612-Q1 Precision Audio Amplifier Texas Instruments OPA1612-Q1 Precision Audio Amplifier is a dual, SoundPlus, bipolar-input operational amplifier. 3 v caps, Service manaul Mega File Upload - hfe_technics_sl-pg440a_service. . Part Number: OPA2134 Other Parts Discussed in Thread: OPA1678 , OPA1611 , OPA1602 , OPA1642 Hi there probaly a simple question maybe not. Aug 22, 2009 · I talked to a TI/B-B applications engineer today. No. 200. the OPA209 family. 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 オペアンプの違いによる音質比較表を、店主の主観たっぷりに紹介しているので、オペアンプ交換の参考にして欲しい。 May 23, 2018 · May 28, 2018. Those are fine. In Stock. 1. common mode voltage that I've measured on any op amp. You can see this in the specs for the tpa3251 and tpa3255 used. In Objective2 gain-stage I prefer the SS V5, with the hybrid V5i or with SS V6 there's a hiss noise when moving the volume knob and also the thump noise when switching the gain is higher. The data clearly indicates that the NCx500 exhibits optimal performance when paired with the Sonic Imagery 994 or Sep 14, 2021 · The LM4562 is an exception, but otherwise it are the fast op-amps that JRA has trouble with: Misbehaving: OPA1656, gain-bandwidth product 53 MHz LME49990, 110 MHz OPA1612, 40 MHz Behaving well: OPA2604, 20 MHz OPA627, 16 MHz OPA2107, 4. The Burson V5 (left) and V5i (right) in their packaging. 7nV/√ Hz) with vanishingly low THD+N (0. Tried in this place OP275, OPA1612, OPA1642, OPA1656 and OPA828. FilterPLUSシリーズの電圧降下時間について、国際標準規格であるIEC60335に準拠し、AC120V使用時において34Vまで0. The “width” of the sound stage seems fixed and artificially (too) wide. The V5 features fully discrete components including 0. IC0255. Reactions: Arpiben and pma Mar 17, 2019 · That seemed like a reasonable target for the supply current of the OPA1656 as well. しかし残念ながらPicolloはフルディスクリート Nov 26, 2017 · Verified Member 5 Reviews written 🎧 10 years. And obviously, different folks for different strokes Some may find the neutrality unbearable, in which case OPA 1612/1656 would be a better option (closer to "tube sound opa1612 vs lm4562, lt1469, lt1364, opa1612, opa2211 bランク ad8066, lm4562, lme49720, ne5532, muses02, muses8820, Total Noise of OPA1656 vs OPA1612. I no nothing about this. My statements were verified: - OPA1611/1612 are optimized for better distortion than the OPA211 (already pretty good). It has the most stable input capacitance vs. Not sonically different of course but good performers and can actually run on +/-24V (in case one needs opamps to go slightly above the usual +/- 18V rails) When rolling opamps having a 1GHz scope could come in handy. In PDIP form, 100 qty is 66¢; so about 2/3rds the price. I'm using the OPA1612 dual opamp in a commercial design. TL072 was VERY good !! Equal or better than 4562 in some respects. Now i tested opa1612 with lme49720 and Feb 4, 2014 · And all of those excellent harmonic distortion values are represented on ideal G=+1 and will deteriorate. Glenn2 said: Both are quite good (and LM4562 is developing a cult) but having tried both I find LM6172, AD826, AD8620 better for duals in that order. AD8065x2 was smooth but a bit boring, lacking bass Aug 22, 2007 · IMHO LME49710, LME49720 and LM4562 performs identical, as long as identical employed. Jul 25, 2016 · So for a low cost the LM4562 or OPA2134. This means I should using the SOIC converter to DIP to fit into the socket. 00. rcs16 said: If the replacement is a Signetics NE5532A part then they will sound the same. The new contender is National Semiconductor LM4562, the price in in the middle of both two. lm4562、lme49720：三频非常平衡，高频中规中矩，中频和低频都不错，声场不错，但久听感觉高频缺乏感染力，总体还是不错。 推荐度：★★★☆ LME49860：三频非常平衡，高频通透，中频和低频中规中矩，声场不错，总体还是比较耐听，感觉比LM4562、LME49720好一些 Now all the folks are using opa2134 op -amps as the replacement. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Rs. (If I am not wrong OPA1656 is a really modern OP Amps from March 2019 vs 2017 for the OPA1692). 5nV/√ Hz noise density with an ultralow distortion of 0. The V6 Vivid opamp is characterised to have great details and transparency. I was able to test the following BURSON op-amps: SS V5, V5i, SS V6 Classic, SS V6 Vivid. Haven't tried the new OPA164x series, but word is that they sound good. Jul 26, 2020 · I agree with you, OPA1612 is really good regarding details resolution, OPA1656 has the best of both world : ultra high definition regarding micro details and very neutral but still warm. 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. 5nv/6. Aug 3, 2013 · Aug 3, 2013. I would like to see these parts offered in a DIP package to replace the OPA2134PA. Currently, I require opamps in the DIP package. The AD8620BR, is a very nice opamp and you should be very pleased with it. Untuk Anda yang kerap berkutat dalam dunia audio portabel, pasti tahu IC ini. They are of course all much surpassed by LME49713 CF amp. Feb 11, 2021 · Used OPA1656 in I/V of PCM1792 in dual mono configuration. 5Vrms signal, 80-kHz measurement bandwidth. Now I know NwAvGuy tested many of these for noise, current draw, and noise, so I started there with the following chips: OPA2134. 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. Canada. 50 each only six months ago. May 29, 2021 · 一度lm4562の音をを聞いてしまったら、ne5532は無いですね。戻せません。 nfjも最初からlm4562で出荷すれば良いのにと思うぐらい、断然いい音です。 この価格でこの音が鳴るとしたら、opa627auはどうなってしまうのでしょう。 今後の楽しみとして取っておこう。 Jul 4, 2021 · The LM4562 certainly MEASURES better. 000015% at 1 kHz. #3. The "A" grade is selected (tested) for a guaranteed noise level, thus slightly more expensive. Aug 24, 2012 · Member. This amplifier achieves very low noise density with an ultra-low distortion. In final have to say, that OPA1656 is best of the best in I/V for me to now. Joined 2011. 各機器の電源分配指導 (分離基準などの解説など)から、音響専用の超高品質接地工事 (日本最高クラスの業者を手配)まで請けられる予定。. The LM4562 has a wide supply range of ±2. Even the 2 CMOS: OPA1652 an the OPA 1656 has these diodes. pdf Mar 5, 2007 · LM4562 -- not by a very large margin ! 2. solderdude said: Actually the SIL opamps are pretty good. This is easily my favorite recommendation over bursons (v5i or v6). In terms of drivability, the sparkos offered the same output levels as the LM6172. The data sheet is very handy for audio designers working with 600Ω loads, but also presents apparently conflicting specs, and lacks 2KΩ The price is US$ 3 compare to NE5532P is less than US$ 1 each. LM49720 vs. 試聴環境は以下の通りです。. the best sounding is OPA1612 ,not for driving headphones -low output current drive ,3ma current consumption. Nov 2, 2010 · 2010-11-03 11:12 am. May be that is reason why LM4562 is popular with many OEMs. Try them and see for yourself. ≪試聴環境≫. If it is noticeable, that is subjective. The OPA2604 and AD823 are both good too, how good are you at soldering SMDs? The OPA1612-Q1 bipolar-input operational amplifierachieves very low 1. I would use several thousand for one job, IF they were made available in the DIP package. 00003% at 1kHz. LM4562 Pinout. html0:00 In The Rain (Muses02)1:58 Silly (Muses02)3:31 lost in the dream (Muses02)4:02 忘れられない Jan 3, 2020 · The OPA1612 is more robust against EMI than the LME49720. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low. are clearly better, quieter. ••• Dec 27, 2019 · Dec 27, 2019. Pardon if any of the following has been covered. T. Price. Sep 11, 2021 · The Aiyima a04 with lm4562 is dead quiet - no hiss at all. Jan 7, 2021 · So considering NE5532, LM4562 and OPA2134, OPA2134 gives best measured results in AIYIMA A07. 2-kΩ load, which increases headroom and maximizes dynamic range. 2. #403. Anther, When we used opa2134 or lm4562 to replace opa1612, the distortion disappear. Most of the listeners would be perfectly happy with it. PDIP-14. Note the size difference between the two units. The LM4562 is a dual-channel op amp, meaning it contains two separate op amps within a single IC package. Over this supply range the LM4562’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. Amps in the same +40 or +50dB PreAmp setup and input (for ~560Ohm/450uH phono-head) for comparison, all those stellar performance deteriorate almost bay applied amplification fold. Use a simple resistor, or a J-fet with the IDSS trimmed to 3mA~5mA. AK120 (TI)→光ケーブル→VANTAM→M70 いつもはAK120にアナログ接続でAlgoRhythm Picolloと接続しております。. 76秒前後 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. 6fA @100 Hz), and the voltage noise favors the 627 only slightly (4. The common-mode rejection is identical at -116 db, and the THD specs are also quite similar The OPA1602 and OPA1604 bipolar-input operational amplifiers achieve very low 2. com/v/xPj5IKtZ/file. It doesn't say or show in the datasheets. Voice reproduction was BEST in the NE5532 ! Unfortunately it was a bit low in the HF. The 49720 is more clinical IMO. At this point noise and ultra low noise supplies might be the last area I should put more effort into for this interface. 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. What's not to like with that, and all the other SoundPlus family? Craig ••• Feb 11, 2021 · The next op-amp I am planning to try is the OPA1612 but perhaps the DAC is the limiting factor and perhaps the measurements will look very similar to the OPA2134 even if the OPA1612 is a really good op-amp. 3 MHz. D) PDF | HTML. What's the difference between LME49720 and LM4562? Their specs seem to be identical; the 4562 is a bit less expensive. I use these amplifiers for pro audio. 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. 00005% at 1 kHz. Jul 4, 2009 · - LM4562 with ever so slightly less bass - Basically the same as LM4562 as expected ADA4627-1BRZ (SOIC x2) - Like AD8597 but brighter and more detailed with improved clarity - Less sub-bass and impact than AD8597 but still excellent - Above-average speed but not really enough to be called fast - Exciting, lively sound LME49990 (SOIC x2) Feb 28, 2021 · The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. To ensure that the most challenging loads are driven without compromise, the LM4562 has a high slew rate of ±20V/µs and an output current capability of ±26mA. If possible, you could try all of the three op-amps from above without getting worried to get oscillations. Transients were still good but the HF levels seemed to be a bit rounded off. The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. And it is a JFET opamp, which is always preferred by myself in the positions where slightly higher voltage noise of the opamp is negligible, like here. Specifically, I've utilized three distinct op-amps: Sonic Imagery 994, OPA1656 and LM4562. If you are going the transformer route, you can't just use the same transformer ratio with any opamp, the transformer ratio has to be tailored to a specific opamp, the 1:2 I suggested The Burson V6 Vivid and Classic are discrete component drop-in replacements for many types of op amp: Dual AD823, AD823AN, AD8066, AD8620, AD712, AD827, C4570 Oct 7, 2021 · Location. Jul 4, 2009 · OPA1612 is relatively new opamp and is widely used in several medium-priced but also high-priced DACs. 53 MHz gain bandwidth product, 24V/us slew rate. Audiophile Replacement For The NE5532 Who Can Handle +/-18V. For the case of Jan 15, 2023 · Apollon Audio said: Furthermore, my testing with diverse operational amplifiers reveals variances in the performance metrics of the NCx500. Where the highs were slightly energetic on the V5, they sound more resolving on the V6 Vivid. 3. But when you put them with other Op. You can replace NJM2068 by LM4562. 5V to ±17V. BUT the 4562 still has MUCH less (-36db) THD, is faster (~2x), and better CMR (-20db). Below picture is the Sch , and the distorted waveform is attached vedio. The hiss is slightly higher from Aiyima a07, but still very low. Aug 28, 2023 · Review of LM4562 IC. This throws another wrinkle into the testing as we all know a louder sample is usually perceived as a more detailed sample. Original specs call for: U1 - NJM2068D. U3, U4 - NJM4556AD. 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 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). g. 5mm 3. Will get another 20 years from it. 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。. I like the 627s but prefer the OPA637 for my own system. I have some vintage audio gear that I would love to keep period-correct, but the price surely has sky-rocketed. Swapping out from the V5, the V6 Vivid immediately makes the music less cluttered. If the replacement is from a different mfg such as TI, then their maybe a difference. 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 rail-to-rail output swing, within 600 mV with a 2-kΩ load, increases headroom and maximizes dynamic range. NJM4580 requires more care, usually a high-current not-too-fast FET opamp is suitable. over 6 years ago. A quick snapshot of the OPA1656 performance specs: 2. 6. The picture shows my op-amp rolling, I have tried the ne5532, opa1612, lm4562 and Apr 1, 2012 · The LME49720 is pin for pin compatible for the OPA2134, the OPA's have the typical laid back Burr Brown sound. i tryed lme49722 opa2134 and opa1612 , --. However Oct 3, 2018 · This made me think to go extra slutty and replace it with the BurrBrown OPA1612: OPA1612 SoundPlus™ Audio Operational Amplifier with 1. NE5532 was VERY good in LF and midrange performance. SMSL DAC M300MarkII 改造7 オペアンプ交換 LM4562→OPA1612. 比較したのは高音質のもの限定で厳選した電圧帰還icのlme49990、opa627、muses8920、opa1612（opa211）等ですが、これらよりも圧倒的に良いです。音はths4631の印象と近いのですがths4631側の安定性の問題（発振していると音質が劣化する）で同じ条件で直接比較でき Apr 21, 2008 · 【追試】lm4562 vs lm6172. The OPA1652 (dual) and OPA1654 (quad) FET-input operational amplifiers achieve a low 4. Jan 9, 2021 · Original file: https://www74. if you can employ it properly. Unlikely. These devices also have a high output drive capability of ±40 mA. Is the 2134 the right choice. The completely docile op amps are the OPA2604, the OPA627, the OPA2107, the LM4562/LME49720 and the OPA2134. Through research and over-engineering, we turn unconventional approaches into design benchmarks, And we thank all the like-minded audiophiles who appreciate our approach and witness. Sep 14, 2021 · Of the op amps in my collection the massive misbehavers are the OPA1656, the LME49990 and the OPA1612. Feb 6, 2018 · 最近オペアンプ交換が楽しくて色々試してみました。個人のメモを兼ねてレビューしてみます。環境は、CD取り込みからハイレゾ化まで手軽にできるCurioSoundを使用してCDから取り込んだデータを96kHz 24bitのflac形式で保存。 "安いのにすごいSHANLING M2sを買いました"で紹介したM2sからラインアウト Jul 23, 2022 · オーディオ. Try a pull-down load to the negative supply rail to force the NE5532 into class A, just a few mA will really make it sound better. All op-amps in this test are DIP except the OPA1642 is in SOIC package. ---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. 1nv). by OP-amp by song Jump table ↓* VOCAL CLASSIC POPSMUSES03 0:42~ 1:42~ 2:43~ TI’s LME49860 is a 2-channel, 44-V, high-fidelity, high-performance audio op amp. Find parameters, ordering and quality information 比較したのは高音質のもの限定で厳選した電圧帰還icのlme49990、opa627、muses8920、opa1612（opa211）等ですが、これらよりも圧倒的に良いです。音はths4631の印象と近いのですがths4631側の安定性の問題（発振していると音質が劣化する）で同じ条件で直接比較でき Jan 24, 2010 · FWIW, I'd suggest OPA827 (x2) or OPA1641/42 for TL072 and OPA211/2211A for NE5532. I also refurbish large format recording consoles. I found that OPA1612 was in the ultimate soundplus collection that's why i have change for it. zippyshare. However, what it added was magical. Aug 22, 2007 · Yes, the noise of the NE5532 and the LM4562 is equal at 3KΩ source impedance; below that, the 4562 is better, above that, the 5534 is quieter. The LM4562 is part of the ultra-low distortion, low-noise, high-slew-rate operational amplifier series optimized and fully specified for high-performance, high-fidelity applications. The v5i semi-discrete op-amp in the walnut did have one immediately noteworthy difference. A SPICE macromodel is available for design analysis. Nov 15, 2021. Mar 17, 2019 · Anyone know whether the LM4562-LME49710-LME49860 series are PNP input or NPN . 15ppm, intermodulation way below that, 1. 5-nV/√ Hz noise density with an ultra-low distortion of 0. Other Parts Discussed in Thread: LM4562, , INA1620, OPA1622, OPA1656, OPA828, OPA1642, OPA1678, OPA1612, BUF634A. I try to use a cheap component like NE5532P, no noise, with OPA2134 no noise with the OPA1612 a lot of noise. Jun 7, 2016 · The performance of the stock op-amp LM4562 is best characterized as clean, lean, fast, but relatively laid back. OPA227 has 2 diodes in series , anti-parrallel = 1,2 V pp, maybe PNP like OPA1662 ( has single anti-parrallel diodes) . over operating free-air temperature range (unless otherwise noted) (1) MIN MAX UNIT Voltage Supply voltage, V The OPA1612 does not seem to have the process contamination of the LM497X0 that produces rocky-sounding noise. Apr 21, 2019 · Comparisons: vs Muses02. Mar 17, 2019 · The OPA1641 would be slightly better. Jul 3, 2019 · Opa1612 and LM4562/LME49720 are both good. LM4562. Mar 17, 2019 · TI's SoundPlus opamp family are astonishingly superb designs. 55), but in inverting mode only. The LM4562 is unity gain stable. On some of the newr parts TI has released measurements of the EMI immunity, e. The OPAx132 is the slightly better version for DC critical applications. I agree with your comments about the volume gain. Dec 9, 2020 · The OPA1612 opamp has similar specs to the AD797 and it is considerably cheaper, plus it has 2 opamps in a single package VS the AD797 which has a single opamp. If you want discrete, then Sonic Imagery 994 or the Weiss op amps. . 5% tolerance metal film TKD resistors, hand-matched FET transistors, and a sleek looking red cover. This Audio Operational Amplifier achieves outstanding AC performance while driving complex 6 Specifications. It is louder at the same setting compared to any of the IC designs. In comes the sparkos. se-u55sxをlm49720(=lm4562)に置き換えようかと思って色々確認してたのですが、lm4562の出る味が強烈に出過ぎて困ってしまいました。あといくつか面白いことを発見しました。 lm4562はopa的ななめらかにつないだ感じの音が、lm6172はフラットで Jul 31, 2021 · Burson V6 Vivid. UAN said: This means that a better quality encoder is installed in the A30. There was a very analogy sound from the amp. To me, the sound is just too laid back. ••• Nov 22, 2006 · 2007-05-31 11:37 pm. 1 Absolute Maximum Ratings. To utilize AD8620 requires some knowledge on the circuit. the LME49720 only tolerates +/-17volt, from opa2604 I was advised against "the opa2604 is unstable and above Feb 4, 2014 · 2014-03-03 6:49 pm. Prodigy 230 points. This DAC also uses a cheap LM4562 instead of the OPA1612 in the Pro V2. #12. Device Information(1) Salah satu IC yang kerap digunakan dalam praktek elektronika adalah IC LM4562, komponen ini banyak ditemukan dalam rangkaian logika, dan mempunyai fungsi sebagaiop-amp. Burr-Brown™ Audioラインアップの最新製品であり、広く採用されている『OPA1612』の次 世代Sound Plus™ オペアンプです。 新製品の『OPA1622』は、最大 150mWの高出力、10mW Jan 7, 2021 · The different players sounded different. Both are excellent. This is also AKM's recommended opamp in many AKM DAC's in both IV and LPF stages. Jun 23, 2017 · Fast forward to today and we have the Supreme Sound V5 and V5i Opamps. Product Details. 5 metre cable at 33. Re: Re: AD8066 vs. LM4562/LME49720 is a bit thinner, slightly more veiled, and a bit sterile in comparison with the new TI chips, IMO. 9nV/rtHz broadband voltage noise. OPA1656 sounded worst, Muses 8920 sounded best. 全て同じ構成で試聴してます。. THD+Noise vs Frequency Single and dual versions are available in 8-pin DIP and SO-8 surface-mount packages in standard configurations. The LM4562 combines extremely low voltage noise density (2. Y. LME49720 Dual High Performance, High Fidelity Audio Operational Amplifier datasheet (Rev. Part Number: OPA2210. With Phono PreampsLME49710 /LME49720 TO-99, metal can. Harmonic distortion <0. Jan 7, 2021 · The different players sounded different. Jun 16, 2023 · LM4562 - LM49720 and the op-amps along the same lines are known to be neutral and don't impart much of a sound signature (information gathered from the TPA3251 modding thread). There is only 2 large capacitors in the power supply 1 x 1000uf 16, and 1 x 2200uf 16v, and 4 x 100uf capacitors of various values and about 4 x 47uf 6. All are specified for –40°C to 85°C operation. OPA1642/OPA1612. 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. Other op amps you can try are AD823's but they can be a bit noisy when used at the inputs of a phono stage so I prefer them in the output stages. 1-nV/√ Hz noise density with an ultralow distortion of 0. Unfortunatly with the new OPA1612 I have obtained a lot of noise on the output channel. We would like to show you a description here but the site won’t allow us. What is LM4562. DACのオペアンプを交換しました。. The LM4562 is a high-performance audio operational amplifier (op amp) manufactured by Texas Instruments. 5 MHz LM4562, 55 MHz OPA2134, 8 MHz A 1 metre cable with polyethylene dielectric has its first resonance at 50 MHz, a 1. May be 828 will be better, but i have to do some thing in the board to extract best of it. Now they seems to have changed again to opa1612 in many places - maybe a suggestion to try ? I have tried ne5532, opa2604, lm4562 and opa1612 and I prefered LM 4562 in both Aiyima a07 and the tpa3251-based Aiyima a04. #2. I ended up not linking that at all. Even the distortion spec is identical for OPA211 and OPA1611: -136dB @ 1KHz and 3V out. Pin Number. 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 May 24, 2015 · If you can use a bipolar OP, the NE5532 is usually the better choice than a JFET OPA2132 / OPA2134. The amp sounds and works fantastic. OPA2228. Demikian pula cara kerja IC LM4562 yang ternyata amat penting sehingga memberikan peran utama sehingga sebuah perangkat dapat bekerja Aug 28, 2009 · In comparing the spec sheets of OPA627B and ADA4627B-1, the current noise specs are identical (1. newer, because OPA1612 is a newer design then let's say NE5532 or even LM4562. So, it is a different design and chip. Feb 2, 2024 · Design & Build. Other Parts Discussed in Thread: OPA2134, LM4562. I don't like the ratchet encoder in Topping, it feels like a very cheap device. -131 dB THD+N at 1kHz, 600 ohm load, 3. in some line level circuitry. The OPA2134 is more a better replacement for the TL072 when you need a FET type. Package. Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). This may be the case with low frequency filters. The one thing that the V6 Vivid lacks is the meat at the lower frequency. I have not tested the OPA1612 with high value bias resistors to see if it has the latch-up/bias current correction start-up issues of the LME49720. help to check the reason. I bought some Philips NE5532s for about $1. 1-nV/√Hz noise density with an ultralow distortion of 0. 00003%) to easily satisfy the most demanding audio applications. Dears . 1nV/√Hz Noise, Low THD and Precision | TI. The AD8620,627,637 are in a different league then the 4562. May 18, 2016 · Now there are three op amps total - input gain (U1) and one each L and R output buffering (U3 and U4). If it is well implemented, non prone to oscillation, with high input impedance and within supply specs, it should work well. Does it SOUND better? I don't know. com then replace all the other njm4565 with the LM4562 to improve signal path through the AD/DA and finally the main line outs. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. 2013-06-30 1:38 pm. The quad is available in 14-pin DIP and SO-14 surface mount packages. AD8066 experience based on 2xAD8065 on brown dog adaptors and AD8620 based on 2xAD8610. Mar 25, 2017 · It made an otherwise ordinary dacamp to a fantastic dacamp. rs sy ss jy wo dm da ah yy md