On 15/04/2014 6:21 AM, Sampo Syreeni wrote:
Worth a look because I'm not *too* well educated about the economics either, but my hunch is, that'd prove costly overkill. 1-4 channel high quality converters are already available as bulk product, at very low cost (to the tune of well under a buck per channel). What you really need after that is just the interface and synch circuitry, and whatever you need on the analog side for its interfaces, noise-free reference voltages, stable, low-jitter clocking and whatnot. Something like that doesn't take high end components like tightly integrated FPGA's and their support circuitry, but at most tightly integrated opamps, fuze programmable PAL/GAL/CPLD, and the ilk.
How are you proposing to handle the digital side? USB3 -> USB3 class audio protocol stack -> multiple SPI channels
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