nomad0677
New Head-Fier
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- Apr 30, 2008
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Quote:
Thanks bichi. I assume that #3 is my headphone opamp and LM4562 would be a good replacement for that?
And which one of the remaining mystery IC's is for RCA?
I will be back with IC numbers in a moment.
Edit: IC numbers on both IC's are the same
33078
Z512
Originally Posted by bichi /img/forum/go_quote.gif #1. 33087: MC33078 - originally made by Motorola, division sold to ON Semiconductor - Creative usually uses this opamp for MIC-IN - datasheet: http://www.onsemi.com/pub_link/Collateral/MC33078-D.PDF #2. 75179B: SN75179BP - Texas Instruments, Differential Driver/ Receiver Pair, balanced transmissions - datasheet: http://www.ti.com/lit/gpn/sn75179b #3. 4556A: NJM4556A - New Japan Radio, high-gain, high-output opamp, usually used for headphone drive capability - datasheet: http://semicon.njr.co.jp/njr/hp/file...o?_mediaId=147 |
Thanks bichi. I assume that #3 is my headphone opamp and LM4562 would be a good replacement for that?
And which one of the remaining mystery IC's is for RCA?
![DSC_0037-3.jpg](http://img.photobucket.com/albums/v699/turtletrax/DSC_0037-3.jpg)
I will be back with IC numbers in a moment.
![smily_headphones1.gif](http://www.head-fi.org/forums/images/smilies/smily_headphones1.gif)
Edit: IC numbers on both IC's are the same
33078
Z512