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Lpc2000

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Re: [lpc2000] ADC

2005-12-21 by Marko Pavlin (home)

Hi, Mauricio!

One important requirement missing: speed?

I am using 16 bit AD7715, lowest cost "per-bit" so far for low-rate 
differential input conversions.

Marko



Mauricio Scaff wrote:

> Why the VREF pin in LPC parts accept sush a narrow range ? 2.5 ->VDDA ?
> I'd like to use an external reference of 2.048V but as far as I can see
> I'll have to use an external A/D converter.
> So I need a 10..12bits, low pin count, low power, LOW COST A/D .... 
> Ideias ?
>
> Thanks.
>
>
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