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Old 8th March 2005, 01:44 PM   #1
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Default chip preamp for my chipamp?

I was browsing the national semi site and saw the LM4929 headphone amp on a chip, and thought it might make a decent preamp for a GC. Has any one else looked at this chip?

datasheet

There are only 5 external components!

I will porbably just build a CMOY type preamp, but I thought this looked cool.
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Old 8th March 2005, 04:24 PM   #2
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Default Re: chip preamp for my chipamp?

Quote:
Originally posted by Russ White
I was browsing the national semi site and saw the LM4929 headphone amp on a chip, and thought it might make a decent preamp for a GC. Has any one else looked at this chip?

datasheet

There are only 5 external components!

I will porbably just build a CMOY type preamp, but I thought this looked cool.

Yup it might look good but that chip is 3mm x 3mm in size...not exactly typical DIY
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Old 8th March 2005, 04:50 PM   #3
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Yes, you are right, thats a tiny package. The LM4881 looks much better. It is available in narrow SOIC-8 I could mount one of those on a surfboard.
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Old 9th March 2005, 04:51 PM   #4
steenoe is offline steenoe  Denmark
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Quote:
The LM4881 looks much better. It is available in narrow SOIC-8 I could mount one of those on a surfboard.
Russ, be shure to put it in a waterproof box.

Steen.
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