Datasheet

AD9288
Rev. C | Page 20 of 24
TROUBLESHOOTING
If the board does not seem to be working correctly, try the
following:
• Verify p ower at the IC pins.
• Check that all jumpers are in the correct position for the
desired mode of operation.
• Verify t hat V
REF
is at 1.23 V.
• Try running Encode clock and analog inputs at low speeds
(20 MSPS/1 MHz) and monitor LCX821 outputs, DAC
outputs, and ADC outputs for toggling.
The AD9218/AD9288 evaluation board is provided as a design
example for customers of Analog Devices, Inc. ADI makes no
warranties, express, statutory, or implied, regarding
merchantability or fitness for a particular purpose.