For "thumbsized" gyros, the power-drain is probably very slight.
A class-D may or may not be a good idea, I'd worry about the
stability faced with a "weird" load like motors.
That said, I have been toturing one of these to no end, and
not managed to kill it yet:
http://classdaudio.com/amplifier-modules/ti-300-amplifier.html
Depending on the actual power-requirement, you can also consider
the NatSemi audio chips, for instance the LM3875 "gainclone".
It is basically a very good high-power op-amp.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
[email protected] | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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