The NE5534....misunderstood? - Page 11

nuvistor · 15th August 2004, 07:16 AM

Quote:

does anyone know if there are any other current dielectric isolation opamps these days, besides the opa627/637?

AD8610/20 and possibly others in Analog Devices XFCB process.

Quote:

You will find that the type nand value of the caps makes a difference to the sound. With 100nF npo, the sound changes tohints of lushness even!

My 18nF on LM6171 was actually three 6nF 1206 SMD in parallel, almost takes up the top DIP area. Since then I've acquired 100 10nF NPO, perhaps I'll try stacking 10 of them to hear the difference.

wu390507 · 22nd September 2004, 05:04 PM

There are three lines of text plus a Philips Logo. Would like to know which country manufactured this chip in which year. Thanks,

NE5532AN
J82917
jnr222L

drknownothing · 8th December 2010, 02:23 AM

The 5532 has poor gain margin, which makes it prone to oscillation. The gain margin is not even mentioned in the datasheet of 5532. Probably because it's too low.

22nd September 2004, 05:04 PM	#102
wu390507 diyAudio Member Join Date: Jul 2004 Location: Taiwan	Date Code of Philips NE5532AN There are three lines of text plus a Philips Logo. Would like to know which country manufactured this chip in which year. Thanks, NE5532AN J82917 jnr222L

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8th December 2010, 02:23 AM	#103
drknownothing diyAudio Member Join Date: Dec 2010	The 5532 has poor gain margin, which makes it prone to oscillation. The gain margin is not even mentioned in the datasheet of 5532. Probably because it's too low.

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