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#1 |
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diyAudio Member
Join Date: Jun 2005
Location: Sunderland
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the ti rep just passed me a prelim datasheet for their 300W class D chip;
The part number is TAS5630 the sheet is not on the TI site, I have a PDF but its to big to upload (640K) pm me (or if some kind person can host it for me i could mail them it) looks interesting so thought I would share as I find no reference on the forum! regards
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Anthony C Smith MAES MinstSCE -I think rain is wet so who am I to Judge- |
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#2 |
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diyAudio Member
Join Date: Jul 2006
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I can host it on my website.
please email me: xxaudioxx @ gmail.com thanks |
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#3 |
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diyAudio Member
Join Date: Jun 2005
Location: Sunderland
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you've got mail!
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Anthony C Smith MAES MinstSCE -I think rain is wet so who am I to Judge- |
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#4 |
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diyAudio Member
Join Date: Jul 2006
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here
TAS5630 > http://www.ferdsaudio.com/Downloads/...ET/TAS5630.pdf also found this presentation http://tibrasil.sabereletronica.com....0at%20600W.ppt
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#5 |
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diyAudio Member
Join Date: Feb 2004
Location: Anonymityville
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Nice, did the rep happen to say when this will be released?
It looks like there is a lower powered version as well (TAS5615).
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"If you don't like funerals don't kick sand in Ninja's face." - Ninja |
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#6 |
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diyAudio Member
Join Date: May 2006
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Lessee, 600W at 90% efficiency leaves 60W behind as heat.
Bet it doesn't do that for very long! |
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#7 |
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diyAudio Member
Join Date: May 2004
Location: Budapest
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Efficiency is supposed to be greater then 90 %. Music signal doesn't contain very long 0 dB level components. There is a significant heat sink area on the package.
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#8 |
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diyAudio Member
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As I know an average normalized music record has 1/8 power than the power of full-scale sine. So the average power dissipation should be 60/8=7.5 W because the FETs' channel are also resistive. I think the heating would be quite even, because the thermal resistance and capacitance given thermal bandwidth is very low.
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#9 | |
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diyAudio Member
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Quote:
Good LSI ! However DIY point of view, there is less flexfibillity to embed amp-designer's circuit ideas since the LSI is highly integrated including power MOSFETand internal NFB. This LSI allows LPF tuning and input interface for amp-designers' flexibillity. |
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#10 |
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diyAudio Member
Join Date: Jun 2005
Location: Sunderland
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got the sheet for the ower power part also- can pass on and hopefully that can be hosted like this one.
rep said parts are sampling q1- have 5 samples of each on order will let you know when they arrive!
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Anthony C Smith MAES MinstSCE -I think rain is wet so who am I to Judge- |
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