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Old 25th September 2009, 10:54 AM   #1
diyAudio Member
Join Date: Sep 2009
Unhappy Problem with PCM2702e

i've just build a usb-dac using pcm2702e and am having problems connecting it to the pc. the first time i done it it was found and then the chip over heated. the second time (new chip) it flashed as unknown device.
i have checked the voltages on the pins, 3.3 and 5v and all are correct. im using 2937et-3.3 for 3.3v regulator and lm7805 for the 5v regulator.
i will upload a schematic and eagle layout soon.
has anyone had a similar problem and it so, how was it fixed?

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File Type: pdf usb_audio_dac.pdf (55.5 KB, 12 views)
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