Makes sense.

Thanks.

 >>  Strictly speaking, two 8 bit DACs would be equivilant to one 9 bit DAC.
 >>  Each DAC can only represent 256 different levels, so two of them can
 >>  only represent 512 levels.

 >>  As far as how much of a difference it would make, it depends on what
 >>  you're doing with it.  If you are doing sound, the averag person can
 >>  tell the difference between an 8bit DAC output and a 16bit DAC output
 >>  given a good output stage and amplifier.  The major problem is that
 >>  having such large steps between each sample create lower frequency
 >>  harmonics which are not as easily filtered out without removing wanted
 >>  audio information.

 >>  Think of it as the color depth of a monitor.  Sure, 65536 colors is a
 >>  lot, and more than adequate for many (if not most) uses.  But when you
 >>  look at a photo of someone's face you can see the lines where the color
 >>  changes.  Dithering helps, but you need higher and higher resolutions to
 >>  make dithering worthwhile.  Even at very high resolutions with good
 >>  dithering the average person would rather see the photo on a true color
 >>  display.

 >>  But it depends on the application.

 >>  -Adam

 >>  Richard Sloan wrote:

 >>  >Am I nuts?
 >>  >
 >>  >Can this be done?
 >>  >
 >>  >In the audio world if you were to playback just the MSB? what would it
 >>  sound like, the LSB only accounts for 1/256 of the votage out, if the
 >>  data was 0x5500 vs 0x55ff the difference would only be 1/256 of full
 >>  scale? So it sounds like it would make no difference.
 >>  >
 >>  >R.
 >>  >
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 >>  >

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