What to do with TI 3583JM opamps?

PSz. · 12th June 2005, 11:08 PM

Howdy,
Today I picked up four 3583JM opamps (+-70 to +-150 volt 75 mA) in TO-3 packages. Any ideas for them?

Maybe replace the input stage on my Hafler XL280's with them?

datasheet here:
http://focus.ti.com/lit/ds/symlink/3583.pdf

oh yeah, I got all four brand new for ONE DOLLAR! Total.

thanks,
PSz.

PSz. · 15th June 2005, 03:24 PM

After looking into these further, I see several options.

1 Use these to drive power mosfets as followers.

2 Use a tube amp output transformer with them.

3 Build some electrostats or some sort of large custom piezo transducer and drive them directly.

These things are expensive little toys I get to play with. TI lists them as US$208.50 each in quantities of 1000! So, I would like to do something interesting with them.

Oh yeah, I am likely to use them (somehow) to drive my mid-high frequency horns. 500-800 hertz on up. But I am open to options.

Anyone have configuration ideas I missed?
Has anyone played with these before?
Any votes on which way I should go?

PSz.

12th June 2005, 11:08 PM	#1
PSz. diyAudio Member Join Date: Jul 2003 Location: California	What to do with TI 3583JM opamps? Howdy, Today I picked up four 3583JM opamps (+-70 to +-150 volt 75 mA) in TO-3 packages. Any ideas for them? Maybe replace the input stage on my Hafler XL280's with them? datasheet here: http://focus.ti.com/lit/ds/symlink/3583.pdf oh yeah, I got all four brand new for ONE DOLLAR! Total. thanks, PSz.

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15th June 2005, 03:24 PM	#2
PSz. diyAudio Member Join Date: Jul 2003 Location: California	After looking into these further, I see several options. 1 Use these to drive power mosfets as followers. 2 Use a tube amp output transformer with them. 3 Build some electrostats or some sort of large custom piezo transducer and drive them directly. These things are expensive little toys I get to play with. TI lists them as US$208.50 each in quantities of 1000! So, I would like to do something interesting with them. Oh yeah, I am likely to use them (somehow) to drive my mid-high frequency horns. 500-800 hertz on up. But I am open to options. Anyone have configuration ideas I missed? Has anyone played with these before? Any votes on which way I should go? PSz.

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