The high small signal and power bandwidth provides superior performance in high quality amp, all control circuits, and telephone applications. Opa627ap texas instruments integrated circuits ics. Ne5534d ne5534, sa5534, se5534, ne5534a, sa5534a, se5534a single low noise operational amplifier the nesase55345534a are single highperformance low noise operational amplifiers. Opa24 vs opa2604 vs opa2107 kanedak tweakers asylum. Aug 01, 2011 the opa627 isnt part of my tests because i was evaluating only dual op amps in dip8 packages. Some i ordered from digikey, some from ebay that couldve been digikey samples and some from ebay that arent. The burson supreme sound op amps deliver a wonderfully deep and rich sound. Just use a pdf reader that ignores the stupid lock drm feature. Opa627ap general purpose amplifier 1 circuit 8pdip from texas instruments. Dual version available opa2604 fetinput, low distortion operational amplifier applications professional audio equipment pcm dac iv converters spectral analysis equipment active filters transducer amplifiers data acquisition opa604 description the opa604 is a fetinput operational amplifier designed for enhanced ac performance. I feel like i had many other things nonengineering related that i could have posted about but i guess this was the last straw. Information about digikey careers site map api solutions newsroom.
I threw it in one of my old buffered amps and was really quite surprised by the sound. Opa2604 muses8920 which opamp is qualitatively more suited for my needs. Having used a net audio modified quad 4052 for the last twelve months complete with their excellent dual mono power supply, i was interested to learn that there was a superior op amp available for each of the quad 405s amplifier boards than the one net audio upgrade as standard, the burr brown opa604ap op amp. I always considered the opa2604 to be a cheap opamp. So for its price, between the opas, it sounds right. Opa2604ap datasheet, opa2604ap pdf, opa2604ap data sheet, opa2604ap manual, opa2604ap pdf, opa2604ap, datenblatt, electronics opa2604ap, alldatasheet, free, datasheet. Oct 02, 2005 opa2604 sweet, but veiled sounding opamp. Opa2604 opa2604ap low distortion operational amplifier ic. I have on had 4 ad8066s that i was going to have installed and was considering the opa627 s. The opa627 isnt part of my tests because i was evaluating only dual op amps in dip8 packages. The gbw and slew rate of the 627 is higher than that of the 24 gbw of 16mhz versus 8, and a slew rate of 55 vus versus 10.
I already have 4 of each so cost is not a big deal, although finding the right adapter might be. Tl431 d tl431a, b series, ncv431a, b series, scv431a programmable precision references the tl431a, b integrated circuits are three. Ic datasheet pdfopa2604,pdfdual fetinput, low distortion operational amplifier. Texas instruments opa627 series high speed operational. Opa2604 dual fetinput, low distortion operational amplifier. Furthermore, the noise performance of the 627 is about 50% better than the 24. Out of curiosity, i ordered an opa2604 as a spare chip along with several other usual opamps. Op270 also dense, but a little better soundstage than opa2604. I dont know where to start but let me start by saying i just dont have it in me anymore. This particular one is limited in current to about 125 ma on each rail. Home ic integrated circuits audio, amplifier instrumentation, opamp opa2604 opa2604ap low distortion operational amplifier ic. But, that said, im fairly confident in a typical configuration with the circuit optimized for both parts, and in a blind test you wouldnt hear a difference unless it was a really high gain circuit and the rather mediocre noise performance of the. For those of you unfamiliar with the meanwell dcw03a12 converter pdf 78kb it is about the size of an ice cube and takes anything from about 9 volts to 18 volts dc as input and puts out symmetrical regulated dual supply at plus and negative 12 volts dc.
I read a post at this site philip jacksons hifi diy project second preamplifier page that he replaced the opa24 with opa627 and some components like jfet xsistor and some caps and resistors. Having said that, however, this may just be what the doctor ordered for those who like a laid back. Opa627 and opa637 precision highspeed difet operational. Im very happy with your opamp and it really sounds amazing. Ad8066 even brighter than op275, but without the graininess. Audiophile replacement for the ne5532 who can handle. Op275 leaner and brighter than stock, almost grainy. Opa2604ap general purpose amplifier 2 circuit 8pdip from texas instruments. Pricing and availability on millions of electronic components from digikey electronics. Opa2604ap texas instruments integrated circuits ics digikey. Input bias current vs time from power turnon time after power turnon min input bias current pa 0 1na 100 10 1 12345 vs 24vdc v s 15vdc v s 5vdc commonmode rejection vs commonmode voltage commonmode voltage v commonmode. Fetinput, low distortion operational amplifier datasheet. Opa2604 iv opa627 dac pcm1702 x 4 2ndorder lpf 12 opa2604 iv opa627 x8 d. Opa2604ap, opa2604 low distortion dual opamp, buy opa2604ap.
The reason why i want to use two opa627 is i cannot find an opa24. Help help and support order status shipping ratesoptions returns and order issues tariff information. Opa627ap texas instruments integrated circuits ics digikey. The bursons are also much more detailed and revealing. Ive used the 8620 from analog devices in a headphone amplifier ive built. Tl431d tl431a, b series, ncv431a, b series, scv431a programmable precision references the tl431a, b integrated circuits are three. The problem is i acquired some when there were some fakes going around. Ad827 high speed, low power dual op amp data sheet rev. Is there a big difference in sound quality through these two. Opa2604 provides wide dynamic range, even with high source impedance. Chocolaty and syrupy though a good easy to listen to op amp but not my cup of tea as i prefer a greater insight into the mix. The only difference between the ad8620a vs ad8620b is the voltage drift per changing temperature 0. Dual fetinput, low distortion operational amplifier. Input bias current vs time from power turnon time after power turnon min input bias current pa 0 1na 100 10 1 12345 vs 24vdc vs 15vdc vs 5vdc commonmode rejection vs commonmode voltage commonmode voltage v commonmode.
There is no way you will get ears fatigue with this opamp, but you might get bored. Texas instruments opa627 series high speed operational amplifiers. The ne5532 is a internally compensated dual low noise opamp. The harmonic texture seems more complete and realistic compared the the sparkos devices. If youre not satisfied with the sound of the opa24, id first look at upgrading other components, like the caps, resistors etc. Input voltage noise spectral density 1k 100 10 1 1 frequency hz v voltage noise nv hz 10 100 1k 10k 100k 1m 10m voltage noise vs source resistance source resistance. Offset voltage is lasertrimmed to minimize the need for interstage coupling capacitors. Ive been reading more and more that folks are actually modding up to them.
I have 2 opa24s and a pair of opa627 in my bugle 2 phono, i replaced the output 24 with a pair of 627s on an adaptor and found that the bass was improved, left it that way ever since. Compared to other operational amplifiers, such as tl083, they show better noise performance, improved output drive capability, and considerably higher smallsignal. Burr brown opamp op ic opa627sm 100% brand new perfect for audio pair triple quad or muti matched ics could be provided. Brazilian love affair performed by shakatak camera. I rolled back and forth with opa2228 which i like for being very warm and sweet, opa2107 sounds more natural, faster, with more accurate and better imaging. Aug, 2014 i have 2 opa24s and a pair of opa627 in my bugle 2 phono, i replaced the output 24 with a pair of 627s on an adaptor and found that the bass was improved, left it that way ever since. Opa627, opa637 sbos165a september 2000revised october 2015 opa627 and opa637 precision highspeed difet operational amplifiers 1 features the opa6x7 is fabricated on a highspeed, dielectricallyisolated complementary npnpnp 1 very low noise. Opa2604ap texas instruments integrated circuits ics. Searching for a opa627 opamp i found burson audio web page. Pdf pcm63p 20bit pcm63p pcm63pk 116db 200ns 16times yamaha amplifier a 550 mash, 1 bit dac pcm63pk pcm63pj yamaha ic ym3623 ym3623 df1700p opa627 opa2604 capacitor cd 104 1uf 50v.
1231 1180 331 1288 1192 1226 875 520 1266 372 913 980 1203 404 313 1405 1195 213 563 186 797 334 1673 1258 1489 664 1386 384 275 899 90 1021 1147 996 1314 704 1248 53 131 1422 443 1277 1350 387 1201 1007 531