ESS's reseller, Shaw Electronics, came though quickly with the datasheet for the ESS ES9018/ES9012 DAC. Excellent news, when operating in mono mode, the input can come from PCM channel 1 or 2. So all I need to do is duplicate the an I2S signal, and send the copies to two separate DACs. Then I can program one DAC to look at the left data, and the other to look at the right. I also learned that the stereo-only part, can also operate in mono mode, with the same specifications as the full eight-channel part. As I never plan to use it that way, I might be able to save a couple bucks by going with the 9012.
Thursday, July 15, 2010
ESS Datasheets, Updated
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