|Chip Amps Amplifiers based on integrated circuits|
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|14th August 2004, 10:54 PM||#1|
Join Date: Jun 2004
Location: Edmonton area, Alberta
Here's my idea.
My math is as follows.
60v-6v(for output dropout) = 54v
13.5amps/3ic's=4.5amps peak per IC. Seems reasonable to me, what do you guys think?
4.5amps(peak per IC)/1.414 ~3.2amps RMS per IC
I haven't done any power dissipation calculations yet, but with 30+30 rails and a 6ohm load I imagine they'll work fine.
Is this doable?
If so, should I make one big PCB or perhaps design one small pcb with just a single LM3886 and a servo on it and make six of them? Either way I'll make the input buffers on a seperate board.
Edit: With a bridged amp is it necessary to connect the main supply caps to ground or just across the rails?
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