Opa1656 vs lm4562 specs. Subwoofer Out Frequency Response: -3dB at 80 Hz THD: <0. 1mV vs +/- 0. Is the OPA1656 the correct opamp to use? I heard it was the best so that’s why I picked it. They are "better' ones you can try - LM4562 is always a good candidate just check the supply voltage fist. It's a killer OpAmp, and better suited to Feb 11, 2021 · Even AD797 or OP627 cant hold a candle vs OPA1612 in terms of SQ - the difference is HUGE! My preamp sounds best with OPA1612 for gain and OPA2192 as buffer. There is a 3 to 4 improvement in the typical slew rate for instance, always a weakness with the 741. I have compared with much more expensive amplifiers and my a04 is sounding better. 5V to ± 17V • THD+N (A The LM4562 has a wide supply range of ±2. The low voltage noise combined with the low current noise make this device great for low and high impedance applications such as a high gain microphone pre-amplifier. Jun 19, 2021 · The latest op-amp that I am still using until now is LM4562. If it is well implemented, non prone to oscillation, with high input impedance and within supply specs, it should work well. 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. Having LM4562 in both amplifiers and they start to sound the same. I will measure the A07 output power and spectrum cleanliness with this power supply. PRODUCTION DATA. r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. Each part has its specific specs tailored for the application. 5 Euro OP275 ~ 3 Euro OPA1612 ~ 6 Euro According to specs I would think the OPA1642 would be one of the best compromises cost vs performance wise. For example, Aol for the OPA1656 with a 600 ohm load will have a linear output swing that is 1. the default NE5532 OP amps supplied) and have - alternatively - a look at some of the rather "cheap" integrated OP amp alternatives, which fit the V3 sockets from We would like to show you a description here but the site won’t allow us. 1mV) give the amplifier excellent operational amplifier DC performance. May 15, 2022 · LME49720 vs OPA1612 vs Muses02. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. The OPA1655 and OPA1656 (OPA165x) are Burr-BrownTM op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. 1%, 10V step). Feb 17, 2020 · In principle all variants should sound transparent, but you have the option to change the Audiophonics OP amp if you want. Maratnz likes to drive 5532s with the full swing of +/-22V which is too much for most of the stock replacements. It has the most stable input capacitance vs. And this preamp sounds MUCH better than Audio Research, Burmester and Accuphase preamps costing above €10. CMRR is not a big issue. strangely its probably the most boring sounding one when paired with 400i but the best sounding with hd600 Aug 26, 2020 · I have two of a04. 5A. Mar 17, 2019 · Benefit is lower dc offset and less distortion also high open loop gain also superior stability. The cost is about $30 in a local store. OPA1656 Mar 17, 2019 · The OPA1641 would be slightly better. Audiophonics uses TI-LM4562 by default, which on paper has slightly lesser specs than the OPA1612 and OPA1656 which are used in the other custom implementations (EVAL, VTV, Neurochrome, BoXem etc). 2uS to 0. USB Receiver: C-Media CM6635. May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. 0008%, CCIR SNR: >112dB referenced to 2V RMS Topology: based on OPA1656/OPA1678 Gain: 10dB referenced to mains Output Impedance (line out): 75 ohms. To check if they will match the previous ones that were made with balanced 10x paralleled op-amps. Description: OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational Electrical Characteristics for the LM4562 (Note 1) The following specifications apply for the circuit shown in Figure X. 1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted)(1) MIN MAX UNIT Voltage Supply voltage, VS = (V+) – (V–) 40 V Input (V–) – 0. Dec 10, 2021 · This is my first time doing anything DIY with audio. I would check the amp out, if its character is basically to your liking (incl. May 19, 2017 · An OPA1612 has slightly better specs than an LM4562---less noise and distortion, faster, and more output voltage swing. Some say it is the same as LME49720, but anyway this LM4562 is lot cheaper. the differences aren't huge, but big enough to make a change worthwhile. Sep 14, 2021 · Of the op amps in my collection the massive misbehavers are the OPA1656, the LME49990 and the OPA1612. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. The FET-input architecture achieves a low 2. The LM4562 has lower typical input offset voltage than the OPA1656 (+/- 0. Aug 28, 2023 · 2. 3V inside of each supply. Texas instruments have done a really good job with the tpa serie. com ELECTRICAL CHARACTERISTICS FOR THE LM4562(1)(2) The specifications apply for VS = ±15V, RL = 2kΩ, fIN = 1kHz, TA = 25°C, unless otherwise specified. Jul 4, 2009 · - highs (over 10-12khz or so) not as "sparkling" as with opa1656 (but at the same time more sibilant, not overly sibilant but with the opa1656 sibilant nearly "vanishes" while the opa627 brings them a bit up again, it doesnt "shoot" sibilance in your face, its just a bit more audible) Part #: OPA1656. Dual customzied solution will give unmeasurable distortion (possibly -180db). OPA2134 and NE5532 both have power supply currents of about 4mA per channel, and have been widely adopted in the market (understatement). Feb 20, 2021 · The BJT input LM4562 has lower typical input voltage noise (2. Feb 11, 2021 · For a fun datasheet exercise compare the LM4562 and Ti OPA1611/1612 current noise versus the NE5534 and OPA228 current noise. It occurred to me that a more modern & higher performing part must exist at a lower price - a win-win scenario if ever there was one. Mar 17, 2019 · 3. I am planning to replace the NE5532 in my Burson Funk with the OPA1656. Are you just interested in trying something different? Click to expand Dec 6, 2018 · Just replace the original op-amp with one with a similar specification, if it's not possible to find an exact replacement. Choosing between the LM4562 and NE5532 depends on your specific application requirements and priorities. The output swing for Aol should be considered as it is different between the two devices. OPA1656 sounded worst, Muses 8920 sounded best. Download. Feb 11, 2021 · Below is a comparison between OPA1656 and OPA1642. A quick snapshot of the OPA1656 performance specs: You see the opa2604 has quite a thick sound, easy to listen to, not bright or analytical in any way and the LM4562 leans in the opposite direction, not too much mind but enough to liven up the opa2604 and put some sparkle in there while the opa2064 beefs up the low end of the LM4562 quite nicely and the end result is a fuller rich and detailed Dec 6, 2018 · This question is triggered by a repair I recently did where the originals, while still available, were stupid expensive. 5 V to 36 V) on 3. Taking advantage of a wide power supply range and mounted on a DIP8 bracket, it can replace many other models. Especially on the sound-stage and overall music presentation is more forward with this LM4562. consists of 2 x 10 op-amps in parallel and the two 10s are balance connected. Don't let power supply current limitations get in the way of performance. Two schematics in parallel and eight in parallel for both 1656 and 1642 were measured. The combination of OPA1656 as U1 and LM4562 as U2 gave the lowest measured noise, but there was a negligible audible difference when the LM4562 was replaced by a NE5532. Part Number: OPA1656 Other Parts Discussed in Thread: LM4562, Hello, I am designing a phono pre-amp and found application report SNAA046A–July 2007–Revised May 2013. The LM4562 A07 does work really well if you feed it with a good preamp like the Aiyima T6 Pro which also is flexible when it comes to op amps. Find parameters, ordering and quality information Mar 17, 2019 · The OPA1656 is the new kid on the block, and has the most impressive data sheet specs. There’s just so many variables. Page: 42 Pages. File Size: 3MbKbytes. 0008%, 20Hz-20KHz, at 2V RMS IMD: <0. Aiyima have confirmed they are the same analog linear potentiometer as the V3 but the sensitivity of the A07 MAX is twice that of V3, so while the A07MAX volume is nicer than previous Aiyima Amps but IMO the volume on the V3 is slightly nicer and it is very subtle with lower OPA1656: 3Mb / 42P [Old version datasheet] OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational Amplifiers REVISED SEPTEMBER 2022: 6 Specifications 6. I’m going to solder the IC to a soic to dip adapter then plug it into the the amp. The schematic, spectrum and results are given below. The lower current draw, bandwidth, and cost make it perhaps the better choice for retrofitting into older circuits. It offers exceptional performance in almost any audio application. 5V to V = 1, VOUT = 3VRMS, fIN = 1kHz) ±17V. It has a very good dynamic range and a low level of harmonic distortion. #1 Choose the LM4562 (LM4562 vs NE5532): High-End Audio Quality: If your application demands the highest audio quality, low distortion, and minimal noise interference, the LM4562 is a better choice Nov 25, 2015 · Ive compared the NE5532, NJM4556 and LM4562 so far. Jul 4, 2009 · Marketing 101 by having one of the engineers on the diy threads because it creates interest (especially from spec crazy diy-ers who “need” the lastest and best specs and use “word of mouth” via the audiophile threads to push cost up by popular demand) They do outsource them to official distributors ie Mouser, Digi-Key but you have to buy them in bulk (we’re talking 100s to 1000s) and Aug 22, 2007 · Hi Ryssen, Having had a quick look the data sheet of the LM4562 August 2006 and of the LM49860 June 2007, the differences I detected were at the end of the documents : no mention of "banned substance compliance compliance" at the end of the LME49860 datasheet. ••• Mar 17, 2019 · The OPA1641 would be slightly better. The sound difference after using NE5532P to this LM4562 is somehow so much different. The completely docile op amps are the OPA2604, the OPA627, the OPA2107, the LM4562/LME49720 and the OPA2134. Nov 30, 2021 · Stability should be considered especially with the wider bandwidth of the OPA1656. Volume control on the V3 is more subtle control over lower volumes. LM4562 SNAS326I – AUGUST 2006– REVISED JANUARY 2010 www. Jul 30, 2021 · If I could also request test of: OPA1642 ~ 2 Euro OPA1656 ~ 2. I don't care about listening tests or something else, just want to use the technical better one in my amp. Thanks in Apr 10, 2019 · There is more than just datasheet specs in the nuance of making and reproducing sound unless you talking about a specific usage in music reproduction such a well temper piano, etc with exact specifications in the form of tonality and pitch. Two identical gain 11 amplifiers were tested. The OPA1656 immediately raised my attention, plus there was/is a long thread about it on diyaudio. Those are fine. 000. 9 mA of supply current to accommodate the power supply constraints of many types of audio products. Jun 29, 2021 · これが使えるならば、さらにデータ上は上位のths4651がいけるのでは？と思い、交換してみたところバッチリでした。解像度、空気感、柔らかさがmuses01、lme49990よりも良く、好みの音です。opa1656が最新でスペックの高さが評判でしたので、最初は期待し The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. The circuit with the values shown in the linked article (but without the High and Low resistors and without the 1K input resistor): Jan 19, 2023 · The LM4562 is an excellent op amp for audio applications and is one of the more reasonably priced. 5 metre cable at 33. 9‐nV/√Hz voltage noise density and 6‐fA/√Hz current noise density, allowing for very-low noise performance in a wide variety of Jan 7, 2021 · I have ordered Mean Well RS-100-24 SMPS power supply, 24V/4. 5 MHz LM4562, 55 MHz OPA2134, 8 MHz A 1 metre cable with polyethylene dielectric has its first resonance at 50 MHz, a 1. For the case of Apr 6, 2020 · They are not bad opamps at all. com with a TI insider involved. Every amp. You have to try it yourself to hear the difference, because the measurement advantage is very small, so it should be non-audible , but it is not. Joined 2022. 5V to ±17V. TI’s LME49860 is a 2-channel, 44-V, high-fidelity, high-performance audio op amp. V S = ±15V, R L =2kΩ,R SOURCE =10Ω,f IN = 1kHz, and T A The LM4562's outstanding CMRR (120dB), PSRR KEY SPECIFICATIONS (120dB), and VOS (0. Even the tpa 3116/3118 is really good. • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. Old op-amps such as the LF412 and TL072 are more than good enough for 99% of audio applications. HOWEVER. The LM4562 has a wide supply range of ±2. 25 V to ±18 V (4. Over this supply range the LM4562’s input Aug 20, 2023 · My personal OP amp preference for the Fosi V3 are Ti OPA1656 but others have different preferences. DAC: ESS ES9018 with LM4562 I/V and filter stages Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). It really depends how much work is involved. I tested a few in both units and the best combination to my ears at least is the opa2604 in the output stage of the T6 Pro and the LM4562 in the A07. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and A07 with no Power Supply A07+LM4562 OP Chip The dual 300W shocking bass output is compatible with passive stereo speakers of most sizes and impedance specifications. 一个意外的结果是、ne5532在第一级中的使用有多安静、在第一级中肯定比 lm4562安静得多。 这可能是由于与 lm4562相比、ne5532中的电流噪声明显降低。 opa1656作为 u1、 lm4562作为 u2的组合提供 了最低的测量噪声、但当 lm4562替换为 ne5532时、可闻差异可以忽略不计。 The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. To utilize AD8620 requires some knowledge on the circuit. I use meanwell power supply 30 V, 6 A for my a04. common mode voltage that I've measured on any op amp. Last edited: 2021-09-25 1:14 pm More options This OPA1656 OPA from Texas Instrument offers very good performances for audio use. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. Are there any other Oct 10, 2023 · The advantages of the V3 compared to the MAX: 1. strangely its probably the most boring sounding one when paired with 400i but the best sounding with hd600 Nov 25, 2015 · Ive compared the NE5532, NJM4556 and LM4562 so far. 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. 2022-05-15 10:48 am #1 Sep 27, 2019 · The OPA1656 operates over an ultra-wide supply range of ±2. . Aol Oct 10, 2020 · Aiyima a04 with LM4562 is more dynamic, goes deeper in the bass and sound clearer. Opa1656 has good phase response at high frequency. That seemed like a reasonable target for the supply current of the OPA1656 as well. 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. The OPA1656 has lower typical settling time than the LM4562 (800nS to 0. It’s not about what is says in the requirement usages. May 19, 2017 · Compare using a fet opamp, opa1656 vs a opa2134, I see little reason why one would choose a opa2134 for a new design, maybe that's why TI asks so much because they want you to use the new tech, but it's probably the cost of the mfg process for that tech vs the new processes. 1) Can I replace the LME49710 / LM4562 referred to in the report with the OPA1656 without changing any of the values in the circuit design in . How to choose between lm4562 vs ne5532. 3 MHz. Composite amplifier is one of the best application with opa1656. Feb 4, 2014 · You can replace NJM2068 by LM4562. Mar 17, 2019 · I measured again the noise of OPA1656 vs OPA1642. The datasheet of the LM49720, May 2007, seems identical on all specs. It's best use as an alternative to opa1612 when noise is not a big concern. 01%, 10V step vs 1. Both with lm4562. The LM4562 is unity gain stable. The op amp offers a temperature range of -40°C to +125°C and is available in an 8-pin SOIC package. Thread starter forami; Start date 2022-05-15 10:48 am; Jump to Latest F. Member. I cannot recommend a 48V power supply because of the A07 internal temperature with the 48V PSU, in case I 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 OPA1656 1/2 OPA1656 Input Output Pad Product Folder Order Now Technical Documents Tools & Software Support & Community 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. May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. Since I am not interested in the V6 Vivid Dual that it comes with. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Dec 11, 2019 · Normally you'd regularily search in the manufacturers new product listings first for any new interesting products. Can I please ask two questions. Although the 4558 says it is 'electrically similar' to the 741, it's clearly not two 741s in a dual package. 7nV/rtHz @ 1kHz vs 4. LM is the best overall, it sounds the most balanced, very natural/smooth/clean, doesnt exaggerate anything but can sound lacking in impact. ti. 3nV/rtHz @ 1kHz). forami. 5 V Current Input (all pins except power-supply pins) –10 10 mA Output short-circuit(2) Continuous Temperature Operating, TA –55 125 °C Oct 30, 2022 · One of the problems of the 741 was its lack of specifications, and relatively high noise. NJM4580 requires more care, usually a high-current not-too-fast FET opamp is suitable. LM4562 Units Symbol Parameter Conditions Typical(3) Limit(4) (Limits) AV = 1, VOUT = 3Vrms opa1655 , opa1656 SBOS901C – MARCH 2019 – REVISED SEPTEMBER 2022 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. • Power Supply Voltage Range: ±2. the OPA1642 draws about HALF the current, its gain bandwidth is about 1/5th, has nearly equal specs, and is about 25% less costly. 5 (V+) + 0. 5mV). djux enwvw nmdb vyjipm doz gotn wxkpjs rmy vfvp jriuh