Opa1692 vs opa1612 forum. I also agree with someone who talked about the best combinations for the Opa2228 and the Opa1692 being a good choice. Preamplifier for 3-Wire Electret Microphones THD + N vs Frequency (3 VRMS, 2-kΩLoad) Dec 10, 2015 · A fair question! And although I was the product definer and systems lead for this part, I don't get 100% control over the marketing folks But, I can honestly say that when we started working on this part about a year ago, I was very adamant that I didn't want to create a part with excellent specs but terrible sound quality in the real world. Even the Voltage noise spectral density curve in the OPA1612 datasheet figure 32 shows lower noise when the source resistance is low. 1-nV/√Hz as well as an extremely low distortion level of 0. OPA1692 低低消消費費電電力力、 低低ノノイイズズ、低低歪歪みみののSoundPlusTM オオー デディィオオ May 10, 2022 · I 'd show two IC, opa1692 (good one) and opa1656. 5 6 6. If I change the opamp on one of the circuits to an LT1013 leaving the OPA1692 in the other they both work. Jul 4, 2009 · OK i've been testing the OPA2227, OPA2228, OPA2134, OPA1612, and the Muses 02. com SBOS450C –JULY 2009–REVISED AUGUST 2014 5 Pin Configuration and Functions D Package OPA1611, SOIC-8 D Package (Top View) OPA1612, SOIC-8 (Top View) DRG Package OPA1612, SON-8 (Top View) (1) NC denotes no internal connection. In the data sheet it says that it has a GBW of 5. Listening to The Beating of Wings (Andrew Poppy) instrument separation was better on the LME49723. As you can see, opa1656 exibits sharp change in RTI offset about 6-7V (powered +-12. I suggest the following reference - 994Enh Discret OpAmp SONIC IMAGERY LABS - SPARKOS LABS SS3606 - AOP 1612 - LM4562 OPA1692 VSSOP (8) 3. Feb 11, 2021 · I'll look at it if you know of one amp using OPA1612 sounding audibly better than another amp using cheaper op amp in objective listening comparison. Several reference are used on forum. OPA1692 VSSOP (8) 3. 5 5 5. 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. Low Noise: 4. Question: Did you copy OPA1692. Overall, don't recommend opamp rolling. I's latest offering, the OPA1656. It sounds great and I hope it will sound better with the OPA1692. Data for opa1692 "noise removed" version. In note slyt630. (Haven’t tried it with Part Number: OPA1656 Other Parts Discussed in Thread: OPA2134, OPA2604 The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. 40 dB would equal to a gain of 100, which would narrow my bandwidth down to 50 kHz. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. CMRR is not a big issue. TI’s OPA1662 is a Dual SoundPlus™ low noise (3. pdf (sorry, pasting the address makes a huge link) you use a ~50 ohm isolation resistor. . Dec 6, 2018 · I don't think you can "get into it" here, it quickly degrades to psychoacoustics and audiophoolery compared to science. Benefit is lower dc offset and less distortion also high open loop gain also superior stability. 7 pA/rthz) will multiply with the pickup resistance (varies quite a bit, say typical is 10 kOhm) to become the I read on several forum the advantage to use specific AOP for the final stage of DAC or Amplifier. But if both circuits have the OPA1692, they dont work. Find parameters, ordering and quality information Nov 30, 2021 · Stability should be considered especially with the wider bandwidth of the OPA1656. Pin can be left floating or connected to any voltage between (V–) and (V+). I don't care about listening tests or something else, just want to use the technical better one in my amp. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. lib in the sub The TI OPA1612 dual operational amplifier benefits from excellent technical characteristics, allowing very good electrical and audio performance. Mar 22, 2022 · LME49720 (dil), fet input, bi-polar output, very good opamp especially dynamics and the bass, which is think is tightened up artificially by the midrange being slightly thin/hot, making the leading edge of bass seem tighter and faster. ti. If you get that sucker (opa2228) stable, Combined with Opa1692 or Opa1612/2211- Holy Crap it’s sounds amazing. Feb 17, 2021 · Searching for LME49720 and OPA1692 returned this interesting TI thread from 5 years ago, discussing that the LME49720 was going out of production at that time, and somebody recommended using the OPA1692 as a substitute/replacement Jul 30, 2021 · If I could also request test of: OPA1642 ~ 2 Euro OPA1656 ~ 2. You can dig on the Internet and find modern op-amp test results, but it quickly crosses over into sonic character and subjective opinion. Mouser offers inventory, pricing, & datasheets for Texas Instruments OPA1612 Series Audio Amplifiers. The supply voltages are +/-12V and both are capable of supplying up to 1A currents. 5-nV/√ Hz noise density with an ultra-low distortion of 0. Testing 20-30 OPA's I have in stock, different types and makers, didn't find any that have this gluk. 3V inside of each supply. common mode voltage that I've measured on any op amp. 5 ± 10 ± 8 ± 6 ± 4 ± 2 0 2 4 6 8 10 Common-Mode Capacitance (pF) Common-Mode Voltage (V) C004 OPA164x Family Traditional JFET-Input Amplifier 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 Mar 7, 2019 · It's made on the same process as OPA1612, OPA1642, OPA1622, OPA1692, and many others. It could be very interesting to test their performance: - SNR - Bandwish - slew rate-. Low output current would mean the transimpedance gain of the I/V circuit will be high, and the input current noise of the op amp will be a significant contributor. Other Parts Discussed in Thread: NE5532 , OPA1632 , NE5534 , OPA1692 将一个驻极体麦克风信号，通过放大送给差分输入的ADC。 Feb 22, 2016 · “比如30多年前的opa2604、2134，到后来的opa627，以及近几年的opa1612，都是口碑非常好的产品。 ”德州仪器高精度运算放大器产品线市场工程师周颖表示，“去年中国市场上很多主打Hi-Fi的智能手机、智能平板、播放器、智能耳放都采用了OPA1612方案。 Jun 5, 2023 · After working with some OPA1612 on my recent Topping PA5 D01 Module replacement project (at ASR), a friend sent me a few OPA1612 opamps he ordered when they were in stock since i couldnt get them anywhere. Dual customzied solution will give unmeasurable distortion (possibly -180db). 4 4. include statement is pointed to the file path? I assumed you are using opamp2 symbol to create the op amp symbol, after you imported OPA1692. OPA627 is really bass forward but you lose details, clarity and energy. 91 mm (1) For all available packages, see the package option addendum at the end of the data sheet. Apr 8, 2021 · I tried OPA1622, OPA627 and OPA1612 at I/V stage and OPA1612 is clearly the best to my ears. . 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. 2-nV/√ Hz noise density and distortion of –127 dB at 1 kHz. You retrieve so much details and trebble extension but could be a bit fatiguing. Can you please show the THDN plots at 10kHz or 20kHz? Thanks! The OPA169x operational amplifiers achieve a new level of performance for low-power amplifiers with a low 4. It ensures a very low noise density of 1. Mouser offers inventory, pricing, & datasheets for OPA1692 Series Operational Amplifiers - Op Amps. 00 mm × 3. 2 nV/√Hz at 1 kHz; Low Distortion: 0. May 15, 2022 · Buggle2 Riaa board. Hey, Low-Power AND Low-Noise! Have your cake and eat it too? Features. This op amps offer rail-to-rail output swing to within 200 mV of the power supplies with a 2-kΩ load, which increases headroom and maximizes dynamic ran Mar 17, 2019 · The OPA1641 would be slightly better. May 9, 2023 · Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. This is noticeable with ensemble pieces. Jul 4, 2009 · Opa1692 actually has a lower CMRR anywhere from 120-140 dB (according to Mouser) vs Opa1656. Staging and imaging are phenomenal. OPA1612 is a great amplifier, however, it is bipolar (input type) and when used immediately at the front-end of a guitar input, the input current noise (1. LME49723 vs OPA1692. Both share the same VS and VS/2. No background noise and no pop on power-on. I was literally sitting in the lab with the systems engineer for that part, measuring a composite amplifier made up of OPA1656 + BUF634A, when we saw your post. 3nV/rtHz) and distortion (-124dB), wide bandwidth (22MHz) audio op amp. Aug 24, 2012 · i tryed lme49722 opa2134 and opa1612 ,--. Maximum Output Voltage vs Frequency of OPA 1692, we could get to the conclusion about the output amplitude is more than 4Vp when the Frequency less than 1Mhz with +-5V,2Kohm load. It appears that the OPA1611/2 have a lower noise voltage, wider bandwidth and higher slew rate than the OPA134 and OPA2134's. 000015% at 1kHz. Feb 17, 2018 · The image with the arrows that I posted at the top was to identify the OPs to change according to our needs. The output swing for Aol should be considered as it is different between the two devices. 5V). It has OPA2604 buffer amps that many have replaced with dual OPA627BP's with good results. Feb 11, 2021 · OPA1612 sounds better than any transistor preamp I've ever heard and better then my own 6N6P 2 case -no barrels hold- 36kg monster preamp with a 100% double blind test win rate. It's best use as an alternative to opa1612 when noise is not a big concern. Misc. alongside with some aliexpress el`cheapos for like 2 buck a piece instead of 7. i expected them to put some . lib in C:\Users\Your_PC\Documents\LTspiceXVII\lib\sub folder, which your . MUSES8820 is the best, IMHO. Jan 10, 2016 · He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. Like OP I/V, I will put 2 OPA1612, the OP buffer for RCAs an OPA1692, and the two 5532 for XLRs, I will not touch them for the moment because for the bass. 90 mm × 3. I was wondering if the OPA2604's could be replace with a dual opamp like the OPA1612 with similar or hopefully better results than the OPA627's Jul 4, 2009 · OPA1692 (VSSOP-8) vs LM4562 (SOIC-8), size comparison Pre ordered this thing more than 2 months ago IIRC, came in today, from element14 Now the surprise, or rather something I forgot about this was that it is a VSSOP-8 package not a SOIC-8 package. Other Parts Discussed in Thread: OPA1612 , OPA1642 , RC4136 I use these amplifiers for pro audio. I don't know if I could use some circuit to mute the amp at the moment of power-off. 5 7 7. Highs are very extended and clean with great projection. 1 MHz. --lme49722 lme4562 lm4562 opamp is very good sound ,higher ratings than opa2134 -but not as Jun 15, 2021 · The problem I'm facing now is that I'm not quite certain what gain the OPA1692 can sustain. 1-nV/√ Hz noise density with an ultralow distortion of 0. The diyaudio forum might be better suited for posing the question. Reactions: Euphonic_employee , Xulonn , Speedskater and 5 others Mar 17, 2019 · Voltage noise is higher on 1656 at low frequency til 1khz. It offers exceptional performance in almost any audio application. I also refurbish large format recording consoles. Jul 4, 2009 · V6V is better than OPA1692 but OPA1692 isn't extremely far off from V6V and that's bragging rights for OPA1692 considering it's dirt cheap price For I/V: OPA1692 is best, compared to - OPA1612, OPA2192, OPA2209, OPA1652, NE5532, LME9720, OPA1622, OPA1602, OPA1662 Part Number: OPA1692 Other Parts Discussed in Thread: TINA-TI, LM5165, OPA171, TPS7A47, TPS7A4001 Hello TI Team, I am currently in the process of trying to bypass the OPA1692 to allow for a passive bypass for a design, however, when switching to the Opamp in or out of circuit the noise floor increases by 1mV. So if the power supply is 8V, and the load is decreased to 1Kohm, does it the output amplitude get to 4Vrms（5. 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 Mar 9, 2023 · SMSL SU-10 vs M500 MKIII vs DO300 21 vs 9 vs 11 dual op-amps OPA1612 (accoring to the spec from smsl-audio) What is the Op-amps doing in that? M500 SINAD is higher than DO300 with less op-amps. I'm waiting for OPA1656 and ADA4896 to try at I/V stage. The piano drifted in and out of focus with the OPA1692 but was better separated and more focused with the LME49723 in place. Find parameters, ordering and quality information TI’s OPA1642 is a Audio op amps. But if there is a pop one second after power-off. The LME49723 has less noise than the OPA1692. ••• Jul 26, 2020 · But if the NE5532 is GREAT than the newer TI OpAmps like OPA1612, OPA2228, OPA1692, OPA2209 etc are: OUTSTANDING, MARVELOUS, EXTRAORDINARY, UNMATCHED, OUT OF THIS WOLRD, EXTREME Über OpAmps! Last edited: 2020-08-22 3:52 pm Jul 4, 2009 · The Opa1692 is one of the best audio op amps ever made for what it achieves! (IMHO). 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. Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). Texas Instruments OPA1612 Series Audio Amplifiers are available at Mouser Electronics. Dec 26, 2019 · At the moment I have tested it with 4558 and NE5532 while waiting for the OPA1692 to arrive. the best sounding is OPA1612 ,not for driving headphones -low output current drive ,3ma current consumption ---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. 66Vp）？ OPA1692 Series Operational Amplifiers - Op Amps are available at Mouser Electronics. It has the most stable input capacitance vs. Jan 27, 2024 · OPA1656 instead of OPA1612 by thuanth » January 27th, 2024, 2:57 pm I'm thinking of building a couple of a24 boards and want to try T. Description for the OPA1692 The OPA169x operational amplifiers achieve a new level of performance for low-power amplifiers with a low 4. Since all of these options are only available in surface-mount packages, you might want to look at our DIP adapter EVM, which can adapt many common SMT op amp Hi Ervin, Yes those devices are very popular, unfortunately I don't have any way to know for sure when they are back in stock. 8 bucks for a genuine part. Opa1656 has good phase response at high frequency. I obviously only need 40 dB for 20 kHz, but I've heard things about not going too close to the amplifiers limits. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. OPA1612 could certainly be used here, but it may be overkill in this application since noise performance of this circuit is likely to be dominated by the noise from the FET input stage. OPA1622 SoundPlus High-Fidelity, Bipolar-Input, Audio Lead finish/ Jan 31, 2020 · I duplicated your OPA1692 schematics shown above, and I do not observe any errors. They both work, when running on their own, but when both are plugged in something is being shunted and the VS drops to 5v (very low). Level of transparency and detail retrieval are better compared to stock OPA1612 and few others I tried from LME/AD/OPA series. May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. Aol Jul 4, 2009 · V5i brought about a drastic change by controlling the bass better, making the hit/slam quicker, less bloomy, opening up the mids and extending the highs which the XD05 badly needs. Funny you should ask about the audio version of OPA2156 (will be called OPA1656). Part Number: OPA1612 Other Parts Discussed in Thread: OPA1622, OPA1688 Hello, I am considering the OPA1612 as a headphone driver replacement for JRC2114. Jan 6, 2010 · I have an Onix XCD-99 which is basically a Music Hall CD-25. -Category Forums. OPA1656 sounded worst, Muses 8920 sounded best. 000015% at 1 kHz. For example, Aol for the OPA1656 with a 600 ohm load will have a linear output swing that is 1. 00005% at 1 kHz. For the case of Mar 17, 2019 · The OPA1641 would be slightly better. 000045% at 1 kHz Mar 17, 2019 · For a DAC chip with a low output current, I would suggest op amps with FET type inputs, either JFETs or CMOS. Dec 9, 2019 · However they measure and perform worse than SOTA audio ICs like lme49720, opa1612, opa1656 etc. Preamplifier for 3-Wire Electret Microphones THD + N vs Frequency (3 VRMS, 2-kΩLoad) Aug 23, 2017 · Now, there’s this new kid in town: The OPA1692 – SoundPlus Low-Power, Low-Noise, High-Performance Op Amp from Texas Instruments. I just love how OPA2228 sounds in amp section paired The OPA1652 (dual) and OPA1654 (quad) FET-input operational amplifiers achieve a low 4. I believe that range is determined by the DAC chips specs so that’s a factor! Dec 11, 2019 · The OPA1612 has great specs at or below 1 KHz but "breaks down" by 10Khz and above. It’s also a lot quieter and has a faster slew rate (I believe). 00 mm SOIC (8) 4. 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. Yes it destroyed many many extreme expensive commercial preamps in the last 25 years. Aug 16, 2022 · Choosing the right audio op amp in different contexts: Parts discussed in this thread: OPA167x, OPAx134, OPA165x, OPA1622, OPA160x, OPA1692, OPA1611, OPA1632, With so many different audio op amps available from TI, it can be difficult to determine which one is right for you. Currently, I OPA1611, OPA1612 www. aqdekjy coz jsgri apb ecyq glsa ikbzhr mxpli ttcl cpmi