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Member Since: February 22, 2009

Country: United States

  • DRDY# is not connected to the pull up. You can verify in PCB layout and by measuring the resistance between VCC and DRDY#. Also the overlap in solde mask opening may cause shorts between the pads of the BGA. Ground plane could also be improved. I suggest to re-do PCB layout.

  • Karel, you can place an additional resisitor between these pins if you want to reduce receiver distance range. This is ussually about 90 cm.

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