Evaluation Board Layout - Analog Devices AD9915 User Manual

EVALUATION BOARD LAYOUT

External I/O Control Headers
Header connectors provide a communication interface for the
AD9915 when the part is under the command of an external
controller.
DAC Output
Connection for the unfiltered output of the DAC.
Ref Clock Input
This is the input for the external reference clock signal. Refer
to AD9915 datasheet for reference input range.
Figure 2. AD9915 PCB Evaluation Board
Power Supply Connections
Provides all necessary supply voltages needed by the AD9915
and the evaluation board.
USB Port
When the part is under PC control (default mode), the evaluation
board communicates with the AD9915 via this port.
Buffer Headers
These header connections can be set to enable or disable.
Disable means to allow external serial control by configuring
buffer in its high-impedance state. Default setting is enabled.
Rev. A | Page 4 of 14
Evaluation Board
User Guide