Opa134 vs opa2134 forum
Opa134 vs opa2134 forum. Price wise, the opa627 is much more expensive than the opa2134. The output is on pin 6 and the positive supply is pin 7. How are LME49860, LME49720 etc? Are they drop-in Feb 10, 2012 · The 5532/5534 is an excellent sounding and very durable work horse; the OPA134 series can be adequate too. Oct 8, 2017 · So I just blew up 5 Burr Brown OPA2134 due to bad labelling on the PCB (Ok I was also supposed to be more careful). It offers exceptional performance in almost any audio application. Feb 11, 2021 · The OPA2134 opamp The OPA2134 is a Burr-Brown product, the dual version of the OPA134. I have got a KR Audio P150 preamp that is built as a two stage amp with OPA2134. Jan 2, 2021 · The OPA134 was a great FET input op amp for audio use but it seems to be no longer available in a DIP8 package. I no nothing about this. That was the circuit where the OPA2134 sounded better. I want to use the OPA2134 in my PSpice Simulation. Mouser offers inventory, pricing, & datasheets for Texas Instruments OPA134 Series Audio Amplifiers. There are a few variations on the Forum. 007% and an input impedance of 10^13th. 3. Dec 6, 2018 · The diyaudio forum might be better suited for posing the question. ti. Aol for the OPA2134 with a 600 ohm load has an output swing that is 2. com Pin Functions: OPA2134 and OPA4134 (continued) PIN OPA2134 OPA4134 I/O DESCRIPTION NAME NO. opa134pa, ua opa2134pa, ua opa4134pa, ua parameter condition min typ max units audio performance Part Number OPA2134: Manufacturer Burr-Brown Title High Performance AUDIO OPERATIONAL AMPLIFIERS Description The OPA134 series are ultra-low distortion, low noise operational amplifiers fully specified for audio applications. OPA2134 costs an arm and a leg. 1 1 10 20 VS = ±18V RL = 2kΩ f = 1kHz THD < 0. Leave pins 1,5 and 8 unconnected. A true FET input stage is incorporated to provide excellent sound quality and speed for exceptional audio performance. TI Has the RC4580 as a NJM4560 replacement as well. Nov 8, 2006 · OPA2134 is more stable, as it is not too fast for Audio. TL072 works most of the time but I almost always find a better substitute in dirt pedals. IIRC it comes directly from the TI web site. Oct 23, 2014 · In simulation, I always had to restrict opamp bandwidth far more with a diamond buffer output (vs. They'll say the OPA2134 "sounds dark" for example. Apr 30, 2007 · Okay so I've been comparing the micro stack, ultra micro stack and the basic desktop amps. Not when you consider a distortion figure of . There are even microphones running on phantom power with this chip. 1Vrms Baseline OP176 OPA134 OPA134 TYPICAL PERFORMANCE CURVES (CONT) At TA = +25°C, VS = ±15V, RL = 2kΩ Mar 25, 2022 · Conclusion of OPA2134 VS NE5532 The OPA2134 is a Fet Input op-amp, while the NE5532 is a Bipolar Input op-amp. Sound is very good but has room for improvement (PS, relays). Double-blind AB we also preferred the OPA2134 at the listening position, especially with the EQ in heavy use. 1Vrms Baseline OP176 OPA134 OPA134 TYPICAL PERFORMANCE CURVES (CONT) At TA = +25°C, VS = ±15V, RL = 2kΩ Texas Instruments OPA134 Series Audio Amplifiers are available at Mouser Electronics. In this particular case very low power consumption alongside high inpur impedance. 45 is not expensive. I just thought using two opa627, i will achieve 2134's audio quality. OPA2134 vs TL072? There are some significant differences between OPA2134 and TL072. From the datasheet and spicerack it only links it to the OPA134. In Part Number: OPA134 Hi there, I have an older high performance DAC and I'm looking to replace some of the older capacitors on the circuit board. I´m replacing the opamps of tlaudio pa1. OPA134/2134/4134 HEADROOM – TOTAL HARMONIC DISTORTION + NOISE vs OUTPUT AMPLITUDE Output Amplitude (Vrms) THD+Noise (%) 1 0. asy and opa134. 2V inside the negative rail and 2. This particular circuit has another problem - the value of R14 is silly, increasing impedance imbalance between the opamp input terminals even more. I'm a amateur electronics kit builder so I don't have knowledge of circuit design. 001 0. Part Number: OPA2134 Other Parts Discussed in Thread: OPA134, TINA-TI. Download OPA2134 Datasheet Nov 25, 2015 · Im interested in op amp rolling for my amp since its not expensive to try out and I was surprised to find a lot of variation between them, the amp has a very simple circuit so my results could be more siginificant than with other amps. It is fully specified for audio applications. Although many people dismiss the NE5532 as an obsolete component and try to locate a replacement, the NE5532 is still adequate for most applications. May 30, 2007 · If the orginal OP is a FET (like TL072, OPA2134 etc) we may be careful sometimes NOT possible to replace with Bipolar (like NE5532 etc). The original name was probably 2134. or OPA134, do not confuse the 134 for the driver chip!! Discrete opamp = built from leaded components (usually). For example, because OPA2134 has a unity-gain bandwidth of 8MHz vs 3MHz in the case of TL072, the typical quiescent current is 4mA vs 1. 3V inside of each supply. The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. include this text, place opamp2 in ltspice and rename it to opa134 ***** * GHF: renamed to opa134, the model consists of 1 op amp only, after all ** Released by: Analog eLab Design Center, Texas Instruments Inc. If anything, it has a more 'neutral' sound than the (possibly slightly euphonic) OPA2134, 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. I'm looking into the idea of replacing them with a SIP adaptor and something like the OPA134/2134 or another newer opamp. Nov 30, 2021 · The output swing for Aol should be considered as it is different between the two devices. Can anyone suggest drop-in replacements to OPA2134? I'm looking for a natural, transparent sound vs colored. A Apr 19, 2024 · The OPA134 series consists of ultra-low distortion, low-noise operational amplifiers that are fully specified for audio applications. Depending on the actual application circuit, there are alternatives with better noise performance. Double blind AB, the TL074 circuit had audible hiss from the speaker, and the 2134 circuit did not. Download OPA2134 Datasheet Sep 1, 2024 · I did some attempts with one and two stages and in my opinion two stages are superior. opa134pa, ua opa2134pa, ua opa4134pa, ua parameter condition min typ max units audio performance The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. Other Parts Discussed in Thread: OPA2134, OPA2604. A Apr 11, 2024 · Conclusion of OPA2134 VS NE5532 In conclusion, the comparison between OPA2134 and NE5532 reveals two protean functional amplifiers suitable for a wide range of audio operations. OPA2134 Equivalent Op-Amp. Where to use OPA2134 Op-Amp. I'm not sure if there is a lib or olb for the OPA2134 as I can't find one. Goggle bill d mod carver c-1. OPA2134 is more used and more liked, than almost any other JFET op ( Maybe still TL072 is most used, but it is far from OPA2134 in quality )-----OPA2134 is probably the most used DIY Audio op, all categories. Using hd600s and 400is to test them Ive compared the The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. For example, Aol for the OPA1656 with a 600 ohm load will have a linear output swing that is 1. 5V inside of the positive rail . sub in the correct folders together with other models which I downloaded and they work fine, except for this one Last edited: 2017-12-11 9:33 am More options. The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. 4mA, respectively. Hi there probaly a simple question maybe not. Both are good opamps for the price, and I prefer either of them over the NE5532. 7Vrms OP176 – 11. Need set correct Input Voltage Limits, Output Voltage Limits, and find correct input impedance. The high level of distortion of the OPA2134PA is an OPA134 series dual SoundPlus™ high performance audio operational amplifier. If a FET-input amplifier is required for low bias current (such as for a phono preamp), you might consider the OPA1642 or OPA1678. Regrettably, but not surprisingly, no evidence is given to back up this assertion. Feb 11, 2021 · I last tried the circuit with OPA2134 in year 2000, and with TL074 in 1992. Jul 22, 2022 · OPA2134 is great for buffer and clean applications but I never liked it for overdrive/distortion. The OPA2604 is a dual opamp, your OPA134 is a single opamp, so make sure you get all the connections correct. * Part: OPA134 * Date The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. Power supply voltage +12V, Single Supply. I know there are a lot of factors that set these apart, but I'm writing to ask what difference the amp modules make. This combined with high output drive capability and excellent DC performance, allows for use in various demanding applications. FET input has very high input impedance and OPA134 and OPA2134 are usually the very high input impedance variant of NE5532 that finds a lot of use. Dec 8, 2021 · Note: Complete Technical Details can be found in the OPA2134 datasheet given at the end of this page. Oct 23, 2005 · anything better than opa2134 Hi, Interesting that no one has mentined opa2132P so far. Although I am a fan of the OPA2134, I still have very considerable respect for the NE5532. When the original OP is Bipolar(like NE5532 etc) we can most always replace with FET or another similar Bipolar OP. A OPA134, OPA2134, OPA4134 SBOS058A–DECEMBER 1997–REVISED OCTOBER 2015 www. AD825: On first listen, just like what I experienced when I replaced the opa134 with the ad825 on a DAC more than a year ago, I had smile on my face. com SBOS058A –DECEMBER 1997–REVISED OCTOBER 2015 5 Pin Configuration and Functions OPA134: P and D Packages 8-Pin PDIP and 8-Pin SOIC OPA2134: P and D Packages Top View 8-Pin PDIP and 8-Pin SOIC Top View OPA4134: P and D Packages 14-Pin PDIP and 14-Pin SOIC Top View Pin Functions: OPA134 PIN I/O DESCRIPTION Jun 8, 2009 · An OPA134 @ $2. Nov 18, 2017 · You must search for OPA2134, not OP2134 This is an excerpt of my default lib. Feb 8, 2022 · When a FET is required, the OPA2134 is a better replacement for the TL072. Inverting Amplifier. You can probably get LM741's cheaper, but not quite the same performance. It appears that the OPA1611/2 have a lower noise voltage, wider bandwidth and higher slew rate than the OPA134 and OPA2134's. You can dig on the Internet and find modern op-amp test results, but it quickly crosses over into sonic character and subjective opinion. It's very good for portable devices too. Part Number: OPA1656. Tl074, Tl072, LM358, LM338 . And I agree with you, the real OPA134 series are very good op-amps. We were trying the opa2134 and now we will try the opa275. While the OPA2134 offers superior performance in terms of lower noise,deformation, and potentially advanced bandwidth, it comes with an advanced price label. Mar 31, 2008 · I feel the OPA2134 has the highest 2nd order harmonic distortions that I can not live with. Feb 15, 2013 · Those pin numbers refer to the two separate opamps within the one package. A true FET input stage is incorporated to provide superior sound quality and speed for exceptional audio performance. 1 0. Sep 30, 2010 · Looking at the TI web site, the current chips (OPA134, 2134, and 4134) all now have the TI logo on them in white and have the notch in the end by pin 1 but do not appear to have the dot by pin 1. A The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. A 2 ® opa134/2134/4134 specifications at ta = +25°c, vs = ±15v, unless otherwise noted. Oct 29, 2004 · oops, I swap my conclusions on the schematics paper, as far as I research the opa2134 is so nice for typical amplification stages but they are awful perfect oscilators on followers stages. A Jan 11, 2016 · Yes sir. I have a 1988 carver stereo per-amplifier. OPA2134 is probably a good choice in general. Maybe running the first buffer stage hotter would help. com SBOS058A –DECEMBER 1997–REVISED OCTOBER 2015 5 Pin Configuration and Functions OPA134: P and D Packages 8-Pin PDIP and 8-Pin SOIC OPA2134: P and D Packages Top View 8-Pin PDIP and 8-Pin SOIC Top View OPA4134: P and D Packages 14-Pin PDIP and 14-Pin SOIC Top View Pin Functions: OPA134 PIN I/O DESCRIPTION OPA134 in PDIP and SOIC Package, OPA2134 and OPA4134 in PDIP Package. The OPA2134 is a Dual Package Operational Amplifier, meaning it has two Op-Amps inside it and each Op-Amp can be used independently. Part Number: OPA2134 Other Parts Discussed in Thread: OPA1678, OPA1611, OPA1602, OPA1642. I would use the OPA2134, which is commonly The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. The final choice of ICs depends on application and personal preferences. %PDF-1. The manufacturer claims it has superior sound quality, due to its JFET input stage. Feb 12, 2007 · The OPA2134 sounds more precise and neutral. It was recently re-capped and all new guts put in . And without mentioning every op amp in existence, I'll close with I yet have to find a circuit where an NE5532 is the best possible option. 4 %âãÏÓ 2 0 obj >stream xœÅZÍrãÆ N娧à%UëÊ Æ3øÙª ¸’ÖVÙ+É ½ù©½`IP‚—$(”,¿G\å È=9äYò:é tÏ @ ÙU‰]®õ‚3=Ó_ÿ}ÝÀýQÈ’I ^:Iü ½`RåG¾—ðØ &ý?«Û£åQ˜¾t _ºãþÈŸÜ _ ÝOØć ÙDðI zÉd¾ž|ù—%›œ–“;‚Ç‚{áDø|¡D« íe¥z~ G º_û{2þ³üM«f-Hc/~nÉè ~V‚Â÷° !ž¿ƒÔ#ð=æ¶ ˆ~pÁ0P- £ ÒQ Jan 10, 2006 · Hi All, I have a number of pieces of equipment (sony cd player, DMP3 and so on) that use M5218 and NJM4560 in SIP packages. However, if you want the best possible stereo imaging and resolution with regard to phase critical stereo information, much lower distortion is in order. Sound is more powerful than one stage preamps. But now I have to replace them. Since i couldnt find an opa2134, i just use tl072 and the likes for our projects I am just curious how opa2134's output performance. OPA134, OPA2134, OPA4134 SBOS058A–DECEMBER 1997–REVISED OCTOBER 2015 www. 01% OPA134 – 11. V– 4 11 — Negative power supply +In D — 12 I Noninverting input channel D –In D — 13 I Inverting input channel D Out D — 14 O Output channel D 6 Aug 18, 2010 · To have a PRAYER of sounding it's best, with OPA2134 IMO(which I can tell you from a very great deal of experience using OPA134-series in Meitner BiDAT's w/DAC7), you MUST have at least another pair of 470uf caps on the +/- rails as CLOSE AS POSSIBLE to EACH output stage chip's supply pins & nearest ground. The difference between them certainly isn't staggering, especially when used at unity gain into a higher impedance load (>1kohm). 1Vrms Baseline OP176 OPA134 OPA134 TYPICAL PERFORMANCE CURVES (CONT) At TA = +25°C, VS = ±15V, RL = 2kΩ 2 ® opa134/2134/4134 specifications at ta = +25°c, vs = ±15v, unless otherwise noted. Apr 19, 2024 · The OPA134 series consists of ultra-low distortion, low-noise operational amplifiers that are fully specified for audio applications. 0005 0. Dec 18, 2002 · I do not know if you are interrested but i have a preamp using the AD8610 (Which is basicly the same as a AD8620) and compared to the OP275 (I know it is not the OPA134) the mid and highs are more smooth and more detailed. 2. opa134pa, ua opa2134pa, ua opa4134pa, ua parameter condition min typ max units audio performance Part Number: OPA2134 Other Parts Discussed in Thread: TINA-TI, OPA134, Tool/software: TINA-TI or Spice Models. Jan 10, 2016 · He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. For the OPA134 pins 2,3 and 4 are the same. V– 4 11 — Negative power supply +In D — 12 I Noninverting input channel D –In D — 13 I Inverting input channel D Out D — 14 O Output channel D 6 The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. OPA134, OPA2134, OPA4134 www. . Ken ••• OPA134, OPA2134, OPA4134 www. Now all the folks are using opa2134 op -amps as the replacement. Need help calculate an opamp preamplifier stage based on OPA2134 with WEBENCH Designer. NO. V (ESD) Electrostatic discharge Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001 (1) ±2000 V. 010 0. How can I go about this? Aug 8, 2006 · Hi, OPA2134. It is a touch better than opa2134 - especially where small reduction in noise level is welcomed. Run off an AC supply and forget worrying about power consumption. Hope this helps. Another way to say it: JFET OPamps like OPA2134 can replace most any other audio opamp The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. Sep 7, 2024 · G'day all, an interesting thread. Feb 2, 2004 · I have the opa134. Opa2134 is a very good opamp. a single EF) for a given level of stability.
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