Re: High speed ADC with USB interface

From: Ulf Samuelsson (ulf_at_a-t-m-e-l.com)
Date: 01/27/05

  • Next message: Lorenzo: "[FS] Electronics, retrocomputer, old telephone" 
    Date: Thu, 27 Jan 2005 22:43:58 +0100

    > >
    > > My corrected question is;
    > >
    > > I'm looking for 12-16bit ADC Board with 4MHz sampling rate capable of
    > > storing 4K samples, with USB interface to transfer data to a PC.
    > >
    > >
    >
    > A 12-16 bit ADC with 4 Mhz sampling rate requires a minimum throughput of
    48
    > Mb/s, and a maximum of 64 Mb/s. This means you must have a Hi-Speed USB
    2.0
    > IC, which is capable of the theoretical maximum of 480 Mb/s.
    >
    If the board needs/has a sample buffer, then there is no need for the high
    speed.
    You get 4k samples and then upload it over 12 mbps USB at leasure.

    /Ulf
    > -Antti Keskinen
    >
    >

  • Next message: Lorenzo: "[FS] Electronics, retrocomputer, old telephone"

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