Lm4562 equivalent. Bells and tings were lively and the vocals were not buried below other frequencies. May 19, 2017 · An OPA1612 has slightly better specs than an LM4562---less noise and distortion, faster, and more output voltage swing. MUSES8820 is the best, IMHO. LM4562 time record now made by a PicoScope USB oscilloscope. Part #: LM4562. Frustrating. They are "better' ones you can try - LM4562 is always a good candidate just check the supply voltage fist. May 6, 2019 · NE5532 Equivalent input noise voltage 5nV/ rt Hz LM4562 is supposed to be 2. The LM4562 combines extremely low voltage noise The LM4562 has a wide supply range of ±2. Transients were still good but the HF levels seemed to be a bit rounded off. JRC are still committed to through-hole. 2k, and remember that you'll need to include a muting circuit to prevent 'chirps' when power is removed. I note that the LM833 and LM4562 datasheets contain identical RIAA phono circuits in their application notes. LM4562 is a high-fidelity dual op amp introduced by National Semiconductor Corporation in recent years. The LM4562 combines extremely low voltage noise Aug 22, 2007 · There are several hundred LM4562 DIP (UK supplier) that I got up to Oct 2016. LM4562 Dual High Performance, High Fidelity Audio Operational Amplifier August 2006 LM4562 Dual High Performance, High Fidelity Audio Operational Amplifier General Description 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. Over this supply range the LM4562’s input Jan 13, 2024 · The LM4562 has an equivalent input current noise of 1. Those two parts are not equivalent. Feb 23, 2019 · AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. com SNAS326K –AUGUST 2006–REVISED DECEMBER 2013 LM4562 Dual High-Performance, High-Fidelity Audio Operational Amplifier Check for Samples: LM4562 1FEATURES DESCRIPTION The LM4562 is part of the ultra . Over this supply range the LM4562’s input circuitry maintains ex-cellent common-mode and power supply rejection, as well as maintaining its low input bias current. • Power Supply Voltage Range: ±2. 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. It offers an extremely low total harmonic distortion (THD) and noise level, making it suitable for audiophile-grade applications. By the way, every chinese or low priced consumer product uses them (and maybe it grow in trees or is sold by weight), for filtering 1-but DAC who have too much RF hash to 4558 liking (and 4558 most times only distort the RF hash and not recude it at all!). There is a whole family of LME parts of op. This ultra-low distortion, low noise, high slew op-amp series optimized and fully specified for high-performance, high-fidelity applications. Its distortion is very small, with only 0. Wow moment. I. View attachment 44448 Fig. The LM4562’s outstanding CMRR (120dB), PSRR (120dB), and V OS (0. 13. LM4562NA/NOPB is a dual high-performance, high-fidelity audio operational amplifier. 5V operation, but it's a very good chip. Purchased at Amazon. If the impedance seen by the input is greater than about 2k925, the LM4562 will be more noisy, than the NE5532. Feb 4, 2014 · Only really better substitution for NJM4580 for example as Pre-Amp can be no less then OPA2228 or even better OPA1612, but for that -3dB less noise (and distortion) over whole audio spectrum you will have to play premium extra. The final mod was to swap NE5532 for LM4562 and this turns out to be the icing on the cake. The bus switch contributes no propagation delay other than the RC del ay of the typical On What is the status of the LM4562? If the LM4562 is not EOL then the LME49720 really isn't either: They are the same part. Download. fairchildsemi. Aug 4, 2007 · gaetan OPA2134 may not be quite as good as the LM4562 etc. amps and drivers yet only the LM4562 and LM4702 that are not part of these families. I am testing the A07 with 2 different power supplies. 5V to KEY SPECIFICATIONS ±17V. Avoid LM4562/LME49720 and OPA2134/2604 if you do not want to re-engineering circuitry to make it stable. 7pA/√Hz for the NE5532. Mar 22, 2022 · These are probably among the two highest of the best sounding dual opamps around today. ) Compare the specifications from the datasheets: Oct 10, 2020 · Aiyima a04 with LM4562 is more dynamic, goes deeper in the bass and sound clearer. LM4562 is obsolete. 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. TI needs to continue to support these in DIP. ). 6 pA/√Hz at 1 kHz, if you have a product from a good batch without popcorn noise and if the manufacturer didn't use spec tricks like specifying only the differential component of the noise current. 1mV) give the amplifier excellent • High-FidelityActive Filters operational amplifier DC performance. This Audio Operational Amplifier achieves out-standing AC performance while driving complex The LM4562 is designed for high slew rate, low noise and high output for systems needing +/-2. LM4562 -- not by a very large margin ! 2. 5 to +/-17V functionality. May 19, 2017 · The reason for the NE5534's great noise performance in MM applications is the input noise current is only 0. Jul 20, 2013 · I always used TL072 in place of 4558 for common works. the differences aren't huge, but big enough to make a change worthwhile. This Audio Operational Amplifier achieves outstanding AC performance while driving complex loads with values as high as 100pF. Nov 28, 2008 · The LM4562 is probably the best choice if you already enjoy the 275. com SNAS326K –AUGUST 2006–REVISED DECEMBER 2013 LM4562 Dual High-Performance, High-Fidelity Audio Operational Amplifier Check for Samples: LM4562 1FEATURES DESCRIPTION The LM4562 is part of the ultra The LM4562 has a wide supply range of ±2. " Feb 23, 2019 · Fig. 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. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and Jun 9, 2019 · The LM4562 has 1. Apr 6, 2020 · They are not bad opamps at all. 7nV/ rt Hz The best are at 1. 83 k : 100 : 150 : 22 nF//4. This Audio Operational Amplifier achieves out-standing AC performance while driving complex LM4562 www. Just did an A/B with 2 opamp buffers on my Hypex NC500 monoblocks, which I normally use with no buffer, as the dac has enough gain to drive the NC500 modules direct. com SNAS326K –AUGUST 2006–REVISED DECEMBER 2013 LM4562 Dual High-Performance, High-Fidelity Audio Operational Amplifier Check for Samples: LM4562 1FEATURES DESCRIPTION The LM4562 is part of the ultra Apr 16, 2011 · I recently did a series of mods to my diy Gigawork big dac and they all improved the sonics. com SNAS326I – AUGUST 2006– REVISED JANUARY 2010 Equivalent Input Noise Voltage fBW = 20Hz to 20kHz 0. OPA2134 tested clean in the same setup. View attachment 44449 Fig. but should plug straight in withpot any stability problems. ••• Sep 8, 2024 · LM4562MAX/NOPB Texas Instruments Audio Amplifiers 2-channel, 55-MHz, high-fidelity, high performance audio op amp 8-SOIC -40 to 85 datasheet, inventory, & pricing. Over this supply range the LM4562’s input May 22, 2015 · G'day all, in the light of a recent experience where a DIY phono stage of mine using LM4562's went into destructive oscillation, I think that perhaps the like of the LM4562 are possibly 'too good' and touchy and I now feel more comfortable with the like of the OPA2134 and the NE5532 at least for high quality audio applications. It really depends how much work is involved. The pin out is the TI standard to quickly upgrade existing boards. The LM4562 is unity gain stable. Tantalums are the yellow surface mount capacitors close to the opamps. ti. It worked very well in all the inputs except the phono stage. variant. 00003% total harmonic distortion and noise (THD+N). 65 μVRMS (max) en f = 1kHz 2. May 15, 2022 · Buggle2 Riaa board. Click to expand You are completely ignoring current noise, the NE5532 is way better than the LM4562 for this. Stable with Capacitive Loads: The op amp is designed to be stable even when driving capacitive loads, which is common in audio circuits. 5V to ± 17V • THD+N (A The LM4562 has a wide supply range of ±2. 6pA/rt Hz max). Click to expand Distortion will strongly depend on load it drives. File Size: 2MbKbytes. This Audio Operational Amplifier achieves out-standing AC performance while driving complex Dec 19, 2021 · This is one of the downsides of the otherwise excellent LM4562 - its very sensitive to RF(*), so you have to keep RF out of your enclosure - a feedthrough capacitor on the input might be one strategy, although they aren't easy to come by, but some CG0 input capacitance to ground right on the connector is second-best, although there's a limit to how much you can add in a MM cartridge input LM4562 Equivalent, LM4562 Datasheet, LM4562 Hoja de datos, Amplifier LM4562, LM4562 PDF, Stock, ficha de datos, regulador, amplificador, circuito Other Parts Discussed in Thread: LM4562 , OPA2227 , OPA1602 Hi team, The customer needs a replacement for LM4562. 34 0. 7 Mar 12, 2018 · Ummm, I don't think so. Description: Dual High Performance, High Fidelity Audio Operational Amplifier. 5V to ±17V. I would recommend buying a cheap hot air station and doing your own desoldering - takes very little time and effort. com SNAS326K –AUGUST 2006–REVISED DECEMBER 2013 LM4562 Dual High-Performance, High-Fidelity Audio Operational Amplifier Check for Samples: LM4562 1FEATURES DESCRIPTION The LM4562 is part of the ultra Aug 22, 2007 · National uses an additional 'E' in the name (LMExxxxx) to indicate their new high performance audio products. This Audio Operational Amplifier achieves out-standing AC performance while driving complex Apr 14, 2021 · The first opamp was an LM4562 from National. Sep 1, 2023 · NE5532 vs LM4562 The LM4562 is a high-performance op-amp renowned for its exceptional audio quality. 00003%) to easily satisfy the most demanding audio applications. com SNAS326K –AUGUST 2006–REVISED DECEMBER 2013 LM4562 Dual High-Performance, High-Fidelity Audio Operational Amplifier Check for Samples: LM4562 1FEATURES DESCRIPTION The LM4562 is part of the ultra LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. PS = power supply ••• The LM4562 has a wide supply range of ±2. no mincing words, there was an immediate improvement in all respects - dynamics, soundstaging, bass, detail, transparency. 7 4. 12. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. Jan 23, 2009 · You could also try LM4562 (same chip as LME49720 as recommended below). Over this supply range the LM4562’s input circuitry main-tains excellent common-mode and power supply rejection, as well as maintaining its low input The LM4562's outstanding CMRR (120dB), PSRR KEY SPECIFICATIONS (120dB), and VOS (0. I've been researching and designing possible solutions around LM833 op-amps. It's only just barely rated for +/- 2. Voice reproduction was BEST in the NE5532 ! Unfortunately it was a bit low in the HF. This series is for applications such as high quality audio amplification, multi-media, imaging, line drivers/receivers and active filters. Perhaps the LM4562 came out before the change so they made a new part number to indicate high end part. Aug 28, 2023 · Industry-Standard Pinout: The LM4562 has a pinout that is compatible with other popular op amps, making it relatively easy to substitute into existing designs. The LM4562's outstanding CMRR (120dB), PSRR • High-PerformanceLine Receivers (120dB), and V OS (0. TL072 was VERY good !! Equal or better than 4562 in some respects. LM4562, even the Picoscope low resolution spectral analysis catches the spikes and repetitive spectral lines every 100Hz. com FST3253 AC Electrical Characteristics Note 6: This parameter is guaranteed by design but is not tested. The current and voltage noise densities add at the op-amp inputs. The LM4562 audio operational amplifiers deliver superior audio signal amplification for outstanding audio performance. Not bad for a $4 part. I got 1,000 x LME49720 DIP (USA) in Oct 17 (panic buy due to phasing out). So a 5534 is actually quieter than an AD797 or an LM4562 when used in a phono amp - but of course distortion is not as low. 6pA/rtHz - half of the AD797 and only about 40% of the LM4562 (1. 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. Having LM4562 in both amplifiers and they start to sound the same. Would you recommend a suitable. Dec 25, 2015 · The lm4562 is pin compatible in both DIP and SOIC packages. 7nV/√ Hz) with vanishingly low THD+N (0. strangely its probably the most boring sounding one when paired with 400i but the best sounding with hd600. Same spikes, every 10ms, are visible. The LM4562 has a wide supply range of ±2. This Audio Operational Amplifier achieves out-standing AC performance while driving complex Oct 13, 2018 · It is recommended to use LM4562, which has a wide operating voltage range and ultra-low distortion. com SNAS326K –AUGUST 2006–REVISED DECEMBER 2013 LM4562 Dual High-Performance, High-Fidelity Audio Operational Amplifier Check for Samples: LM4562 1FEATURES DESCRIPTION The LM4562 is part of the ultra 3 www. Sincerely, Chris Juried Audio Engineering Society (AES) Member InfoComm-Recognized AV Technologist LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. 7 nF//500 pF 47 nF//33 nF LM4562 www. 7 The LM4562 combines extremely low voltage noise density (2. Feb 28, 2021 · The LM4562 datasheet indicates it has at least 12dB greater open loop gain than LM833 at all audio frequencies. 1 k : 3. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. If you use TL072 opamps, keep resistor values above 2. If the inputs to the IC are well balanced you may be able to get rid of the O/P capacitors, as the OPA2134 has a very low DC out. 6pA/√Hz vs only 0. The LM4562 is widely reported to oscillate when used in place of the 4558 and for good reason. Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. 11. The current noise forms a voltage noise source, when if flows through the resistance, connected to the input. NE5532 was VERY good in LF and midrange performance. The LM4562 is available in an 8-lead narrow body SOIC, an 8-lead PDIP, and an 8-lead TO-99. This Audio Operational Amplifier achieves out-standing AC performance while driving complex LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. com SNAS326K –AUGUST 2006–REVISED DECEMBER 2013 LM4562 Dual High-Performance, High-Fidelity Audio Operational Amplifier Check for Samples: LM4562 1FEATURES DESCRIPTION The LM4562 is part of the ultra Oct 8, 2017 · Lower values can be used if the opamps can drive low impedances with minimal distortion (e. Is stable in all applications I have tried. Feb 1, 2006 · This question gets asked constantly, and the same answer has been given so many times that there really should be some compilation of answers to such questions that are asked frequently so you can get the answer without having to ask it again. NE5532, OPA2134, LM4562, etc. I was finding 30-40% to be below-par in terms of burst noise. thumbsup There is not an op amp that is universally better than others and a defacto replacement for lesser chips. Though the LME49710 single op amp has input bias-current cancellation it can sometimes be replaced with the higher bias current NJM5534. Mar 5, 2007 · 1. Not the T. Nov 9, 2010 · From my experience and that of many others, electrically and sonically they are equivalent. Regards, Felix. 1nV/ rt Hz I do not care about very low THD. 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. Nov 25, 2015 · Ive compared the NE5532, NJM4556 and LM4562 so far. LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. So yes, they are effectively the same part. Page: 33 Pages. 5V to V = 1, VOUT = 3VRMS, fIN = 1kHz) ±17V. 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. One of them is a linear LM4562 www. You'd have to check and make sure any others are pin compatible. 1mV) give the amplifier excellent operational amplifier DC performance. Manufacturer: National Jun 8, 2018 · The lme49720 and the lm4562 are the exact same part, just different numbers due to being marketed to different customers. In fact the lme49860 is also the same part that's been tested and passed higher voltage testing and binned as a different part, not all that different to how Intel bins the same silicon as various speeds and models of CPU LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. Thru AUX, CD and Tuner, the sound was very detailed and very close to live impression. LM is the best overall, it sounds the most balanced, very natural/smooth/clean, doesnt exaggerate anything but can sound lacking in impact. g. 3. This Audio Operational Amplifier achieves out-standing AC performance while driving complex LM4562NA/NOPB is a dual high-performance, high-fidelity audio operational amplifier. de and as stated on their website, it arrived without a power supply. (Just search using Google if you don't believe me. Maratnz likes to drive 5532s with the full swing of +/-22V which is too much for most of the stock replacements. Simply a TO-99 package versus a PDIP package. rzmsisydlmkqorhrrecngfmwtubbqhndjuolxarksycfpwraofof