PCM2706 to AD1865...will this work?

Gcollier · 9th November 2006, 11:54 PM

Hello I am interested in interfacing an AD1865 to a PMC2706 to make a USB DAC. I've done a bit of searching on this and seen a few different solutions, but have never seen a finished project with it. It seems most people resort to the TDA1543.

I was intending on using the I2S out from the PCM2706 and sending this to an AD1896 ASRC, then setting the output for 18bit L justified. Also what about the clock for the AD1896...can I just use an additional crystal? Any advice on this will be helpful as I am a digital noob!

Thanks

G.

jwb · 10th November 2006, 04:29 AM

There is no reason why this won't work. The AD1896 needs a master clock and if you use the output serial port in master mode, the quality of this clock becomes critical.

9th November 2006, 11:54 PM	#1
Gcollier diyAudio Member Join Date: Mar 2003 Location: Windsor	PCM2706 to AD1865...will this work? Hello I am interested in interfacing an AD1865 to a PMC2706 to make a USB DAC. I've done a bit of searching on this and seen a few different solutions, but have never seen a finished project with it. It seems most people resort to the TDA1543. I was intending on using the I2S out from the PCM2706 and sending this to an AD1896 ASRC, then setting the output for 18bit L justified. Also what about the clock for the AD1896...can I just use an additional crystal? Any advice on this will be helpful as I am a digital noob! Thanks G. __________________ If you take something apart and put it back together again enough times, eventually you will have two of them.

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10th November 2006, 04:29 AM	#2
jwb diyAudio Member Join Date: Mar 2002 Location: San Francisco, USA	There is no reason why this won't work. The AD1896 needs a master clock and if you use the output serial port in master mode, the quality of this clock becomes critical.

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