Gday all, one thing that ive noticed from my own diy work is that the opa24 seems to draw more current in normal operation. Lm4562 and ne5532 show almost identical performance in iv stage, while opa24 is 2 db weaker. You could try swapping the opa24 with a ne5532 initially. The 55325534 is an excellent sounding and very durable work horse. My fulldrive vintage 98 has the tlc2272 and its ok but i modded the pedal for a bit more highs. Although i am a fan of the opa24, i still have very considerable respect for the ne5532. The 5532 is a dual highperformance low noise operational amplifier. May 22, 2015 gday all, in the light of a recent experience where a diy phono stage of mine using lm4562s 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 opa24 and the ne5532 at least for high quality audio applications. The mea surement technique can, however, be performed with manual. Opamp ne5532, dual, lownoise, 8pin dip this a high performance. Results ne5532 with rl1k1 and different output levels vs frequency ne5532 with rl520r and different output levels vs frequency audio opamps, fact, myths and. You can also use the lm4562 or other high quality opamp if preferred.
Results ne5532 with rl1k1 and different output levels vs frequency ne5532 with rl520r and different output levels vs frequency audio opamps, fact, myths and thd measurement resultsrev. Opamp test tl072 vs 24 vs ne5532n vs ne5532p vs 2604 ada mp1 zsoli bacsi. Yes the case gets a lot warmer than op amps like the ne5532 and the lm833. Not that the opa have much higher input impedence than the bipolar ne5532. Dual op amp preamplifier 3 times dc magnification pcb.
Apr 20, 2005 the bipolar transistor inputs of the ne5532 draw input current and are completely different from the jfet inputs of the tl072 that dont have any input current. Many gear manufactures tout op amp brands and part numbers in their marketing literature. I like the opa24 for a clearer sound and the tl082 is a good all around chip in dirt boxes. However, if you want the best possible stereo imaging and resolution with regard to phase critical stereo information, much lower distortion is in order. Input cascode circuitry provides excellent commonmode rejection and maintains low input bias current. Compared to the standard dual operational amplifiers, such as the njm1458. Opa4 in pdip and soic package, opa24 and opa44 in pdip package. Anybody still use the ne5532 in high quality audio gear. Its a very common opamp, but its not bad personally i think the opa24 is a bit nicer sounding.
Aug, 2014 gday all, one thing that ive noticed from my own diy work is that the opa24 seems to draw more current in normal operation. Aug 01, 2011 in the o2 its fair to compare the opa24, ne5532 and njm2068 in blind testing. The chip companies dont help the perception implying some of their op amps offer better sound. The specs all look the same but there is an appreciable difference in price between these two items. When the original op is bipolarlike ne5532 etc we can most always replace with fet or another similar bipolar op. I recommend building the p99 sub bass filter too, especially if your loudspeakers are ported. Lm4562 is the best performer in differential amplifier. Looking at the datasheets the ne5532 seems to be much better than the tl072 but maybe im missing something. Opamp ne5532, dual, lownoise, 8pin dip amplified parts. Classic line, although simple, spend a good op amp, such as the assembly with the gold seal opa2111. The noise figure is more important in the first op amp position, which is why im using an ne5532ap. Revised may 20043post office box 655303 dallas, texas 75265recommended operating conditionsminmaxunit datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Audio opamps, fact, no myths and thd measurement results table. Vision analytics omapl8based hardwaresoftware reference design.
The quality comes largely from the use of good quality opamps, such as the signetics ne5534 or texas instruments burr brown opa24. Opax4 soundplus high performance audio operational. Which chip is better for preamp, ad8512, opa24, or ne5532. The high small signal and power bandwidth provides superior performance in high quality amp, all control circuits, and telephone applications. The ne5532 is a bipolar input opamp and the opa24 is a fet input. I am reliably informed that this is quite normal with the opa24. Dec 26, 2014 opamp test tl072 vs 24 vs ne5532n vs ne5532p vs 2604 ada mp1 zsoli bacsi. Ive compared the ne5532, njm4556 and lm4562 so far. The only difference between the ad8620a vs ad8620b is the voltage drift per changing temperature 0. Ne5532 internally compensated dual low noise operational.
Applications l professional audio and music l line drivers l line receivers l multimedia audio l active filters l preamplifiers l integrators l crossover networks the opa4 series are ultralow distortion, low noise operational amplifiers fully specified for audio applications. If you use the ne5532, you may find that the small dc offset voltage at the outputs causes some potentiometer noise. Opamp test tl072 vs 24 vs ne5532n vs ne5532p vs 2604. The best solution is to use ne5532 in ivstage and lm4562 in differential amplifier as it gives almost identical performance to alllm4562 implementation. Also the noise spec is better opa24 or equal mc33078 to the others. The opa4 soundplus audio operational amplifiers are easy to use and free from phaseinversion and the overload problems often found in common fetinput operational amplifiers. Description the 5532 is a dual highperformance low noise operational amplifier. Apr 20, 2014 gday all, last night i was about to place an online order for some ne5532 op amps from my usual online supplier but i find that they list several versions of the ne5532 ne5532ap, ne5532p and probably others. Therefore if the source impedance is very low specd at 20 ohms, the ne5532 is 3 times quieter. Opa24 datasheet, opa24 pdf, opa24 data sheet, opa24 manual, opa24 pdf, opa24, datenblatt, electronics opa24, alldatasheet, free, datasheet, datasheets. And8177d audio circuits using the ne55324 audio circuits using the ne553234 the following will explain some of on semiconductors low noise op amps and show their use in some audio applications. Apr 22, 2014 for the p06, i think the opa24, ne5532, lm4562 and lm833 are probably best. Baseline op176 opa4 opa4 the information provided herein is believed to be reliable.
Oct 31, 2015 the opa24 or opa22 is generally better than ne5532 but the question is rarely so simple. The ne5532 is a internally compensated dual low noise opamp. Lm is the best overall, it sounds the most balanced, very naturalsmoothclean, doesnt exaggerate anything but can sound lacking in impact. Dual op amp preamp dc amplification board pcb for ne5532. If anything, it has a more neutral sound than the possibly slightly euphonic opa24, but its performance is very reliable and dependable and of a very high standard, which possibly explains its long standing use in professional audio gear. Opamp test tl072 vs 24 vs ne5532n vs ne5532p vs 2604 ada.
Ive long been in agreement with douglas self on the ne5532 ne5534. Texas instruments opa24 series audio amplifiers mouser. Audio opamps, fact, no myths and thd measurement results. But to do that right, you need two otherwise identical o2 amps, fed with a y cable from the same source, volume matched to exactly the same level, a way to switch the headphones between both of them, and someone else to do the switching behind your back in such a. Texas instruments opa24 series audio amplifiers are available at mouser electronics. The audio issue may consider the opa22 burrbrownti all.