Lpc2000

60db is okay. now, how fast can I update the analog output on LPC 
chip?

I looked on philips website and there is only data sheet with 
minimum information!! where is the manual? I can't find it.

Gus

--- In lpc2000@yahoogroups.com, "Rick Collins" <gnuarm@a...> wrote:
> 
> --- In lpc2000@yahoogroups.com, "Gus" <gus_is_working@y...> wrote:
> > 
> > > A simple solution would be a LPC213x micro & use the 10 bit 
d/a 
> > that's built it.
> > 
> > What audio frequency can you do with the internal DAC?
> > Can someone explain more what is xxdb s/n? I am assuming s/n 
means 
> > signal/noise! So when we say 60db s/n, what does this mean? good 
> > audio? bad? acceptable?
> 
> Good vs. bad depends on your application.  60 dB is just a way of
> describing how much noise the DAC will add to the signal.  20 dB 
is a
> factor of 10x in voltage, 60 dB is a factor of 1000.  So a 1 volt
> signal will have 1 mV of noise.  
> 
> You need to tell us what quality level you require.  Are you 
shooting
> for CD quality (meaning nearly no audible noise or distortion) or 
more
> like telephone quality (some noise and audible distortion)?