Suggestion for Quad Opamp PDIP Package

-_nando-_ · 26th February 2007, 03:58 PM

Hi !!

I need a good sounding quad opamp, in dip package.

Mainly I use OPA134 series, but OPA4134 isn't avaliable in DIP package anymore. I like this opamp very very much, it's very realiable, and not very costly.

It CAN'T be more expensive than an OPA4134. What would you suggest?

Thank you very much !

Best Regards,

Fernando

impsick · 27th February 2007, 07:27 AM

opa2134?

weissi · 27th February 2007, 08:17 AM

He's asked for a quad-type opamp....

look to ONsemi, maybe MC33179 works for you?

regards

impsick · 27th February 2007, 12:05 PM

oh yes opa4132

theAnonymous1 · 27th February 2007, 12:22 PM

What about OPA4134 SOIC + DIP adapter?

http://www.epboard.com/eproducts/pro...ICtoDIPAdapter

tschrama · 27th February 2007, 03:10 PM

isn't there a opa4228 which out performs the opa4134?

-_nando-_ · 27th February 2007, 03:15 PM

Hello !

I appreciate the answers

OPA2134 is a dual version, I need a quad version.

OPA4134 + DIP adapter is very high cost, as the adapter costs more than 5usd.

MC33179 is much more cheaper than OPA4134, if it have a good sound, will be a GREAT solution, I'll buy and test it. But I want more suggestions

Opa 4228 is very expensive...

But I'm asking myself... WHY they don't make 4134 in dip package anymore????

Thanks !!!

Best Regards

-_nando-_ · 27th February 2007, 03:49 PM

MC33179 : 5Mhz, 2v/s slewrate

134 series: 8Mhz, 20v/s slewrate.

TL074, 3Mhz, 13v/s slewrate

LM837 (NE5532 Quad modern): 25Mhz, 10v/s slew rate.

I think that talking about specs, the LM837 is the best comparing to 134 series...

Talking about the SOUND, how slew rate and frequecy affects the sonics?

Best Regards !

peranders · 27th February 2007, 04:52 PM

Quote:

Originally posted by -_nando-_
But I'm asking myself... WHY they don't make 4134 in dip package anymore????

I think you can guess. If they can't sell any OPA4134 in DIP they won't manufacture those either. The answer is easy: The market!

Minion · 27th February 2007, 07:12 PM

Well maybe try makeing a dual Opamp to Quad Opamp adapter that will convert 2 Dual 2134 into a single 4134......

I recently designed a Two Single Dip8 to Dual Dip8 adapter so I could use a couple OPA627 in the Dual Opamp Footprint and they work Great.......

Just a Thought.....

26th February 2007, 03:58 PM	#1
-_nando-_ diyAudio Member Join Date: Dec 2005 Location: Sao Paulo	Suggestion for Quad Opamp PDIP Package Hi !! I need a good sounding quad opamp, in dip package. Mainly I use OPA134 series, but OPA4134 isn't avaliable in DIP package anymore. I like this opamp very very much, it's very realiable, and not very costly. It CAN'T be more expensive than an OPA4134. What would you suggest? Thank you very much ! Best Regards, Fernando

27th February 2007, 07:27 AM	#2
impsick diyAudio Member Join Date: Dec 2006	opa2134? __________________ "Nothing happens for a reason. There are just reasons why things happen." Quote me on that. http://stores.ebay.com/AudioGrade?_rdc=1

27th February 2007, 08:17 AM	#3
weissi diyAudio Member Join Date: Sep 2002 Location: Austria	He's asked for a quad-type opamp.... look to ONsemi, maybe MC33179 works for you? regards __________________ regards / servus

27th February 2007, 12:05 PM	#4
impsick diyAudio Member Join Date: Dec 2006	oh yes opa4132 __________________ "Nothing happens for a reason. There are just reasons why things happen." Quote me on that. http://stores.ebay.com/AudioGrade?_rdc=1

27th February 2007, 12:22 PM	#5
theAnonymous1 diyAudio Member Join Date: Feb 2004 Location: Anonymityville	What about OPA4134 SOIC + DIP adapter? http://www.epboard.com/eproducts/pro...ICtoDIPAdapter __________________ "If you don't like funerals don't kick sand in Ninja's face." - Ninja


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27th February 2007, 03:10 PM	#6
tschrama diyAudio Member Join Date: Jul 2001 Location: The Netherlands	isn't there a opa4228 which out performs the opa4134?

27th February 2007, 03:15 PM	#7
-_nando-_ diyAudio Member Join Date: Dec 2005 Location: Sao Paulo	Hello ! I appreciate the answers OPA2134 is a dual version, I need a quad version. OPA4134 + DIP adapter is very high cost, as the adapter costs more than 5usd. MC33179 is much more cheaper than OPA4134, if it have a good sound, will be a GREAT solution, I'll buy and test it. But I want more suggestions Opa 4228 is very expensive... But I'm asking myself... WHY they don't make 4134 in dip package anymore???? Thanks !!! Best Regards

27th February 2007, 03:49 PM	#8
-_nando-_ diyAudio Member Join Date: Dec 2005 Location: Sao Paulo	MC33179 : 5Mhz, 2v/s slewrate 134 series: 8Mhz, 20v/s slewrate. TL074, 3Mhz, 13v/s slewrate LM837 (NE5532 Quad modern): 25Mhz, 10v/s slew rate. I think that talking about specs, the LM837 is the best comparing to 134 series... Talking about the SOUND, how slew rate and frequecy affects the sonics? Best Regards !

27th February 2007, 07:12 PM	#10
Minion diyAudio Member Join Date: May 2006	Well maybe try makeing a dual Opamp to Quad Opamp adapter that will convert 2 Dual 2134 into a single 4134...... I recently designed a Two Single Dip8 to Dual Dip8 adapter so I could use a couple OPA627 in the Dual Opamp Footprint and they work Great....... Just a Thought.....

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