Re: High speed ADC with USB interface
From: Richard Webb (webby_at_REMOVEMErichardwebb-online.co.uk)
Date: 01/23/05
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Date: Sun, 23 Jan 2005 16:02:21 -0000
Analog Devices do some evaluation boards for some of their ADCs which you
can interface to their 'USB FIFO' board, might be suitable, although I think
the ADCs in question are far faster than 4MSPS.
"Ian Stirling" <root@mauve.demon.co.uk> wrote in message
news:41f3b940$0$16530$ed2619ec@ptn-nntp-reader02.plus.net...
> In sci.electronics.design Ulf Samuelsson <ulf@a-t-m-e-l.com> wrote:
> > <adc> skrev i meddelandet
> > news:41f3934e$0$803$afc38c87@news.optusnet.com.au...
> >> I'm looking for 12-16bit ADC with 4MHz samplingrate capable of storing
4K
> >> samples, with USB interface to transfer data to a PC.
> >>
> >
> > I doubt that you will find this ADC/USB/Storage on a single chip.
> > With 4 Mhz sample rate and 12 ?bit resolution
> > you need 48 MHz operation for a serial interface
> > so it is likely you need a parallell interface.
>
> That's only 6 megabytes/second.
> USB2 can easily do this.
> I however also doubt you'll find a single chip.
>
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