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Old 13th February 2005, 10:00 PM   #1
jkeny is offline jkeny  Ireland
Join Date: Feb 2007
Location: Dublin
Default New Switching amplifier chips

Has anybody seen the specs on these new chips,2877,AD1990,00.html

Looks interesting?

Anybody any experience with other "class D" chips Maxim Max9704


MPS7720 - 20W chip. -
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Old 15th February 2005, 11:00 PM   #2
diyAudio Member
Join Date: May 2004
Location: Melbourne
I haven't checked those out, but I did come across a MOSFET gate driver from International Rectifier. They also have a reference design for a 500W + 500W class D:

I'm thinking about constructing it.
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Old 19th February 2005, 03:44 AM   #3
diyAudio Member
Join Date: Jun 2004
Location: California, USA
The IR reference amp isn't really the best. There are better designs elsewhere on this site. IT's gate drivers are great tho!

I have used the MAXIM MAX4295 rather extensively but it is nowhere near the power level of the MAX9704. They make excellent products so if you are interested I highly suggest it!
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