Evaluation Board User Guide
UG-266
One Technology Way ? P.O. Box 9106 ? Norwood, MA 02062-9106, U.S.A. ? Tel: 781.329.4700 ? Fax: 781.461.3113 ? www.analog.com
Evaluating the AD9834 20 mW Power, 2.3 V to 5.5 V, 75 MHz Complete DDS
FEATURES
Full featured evaluation board for the AD9834
evaluation board
Graphic user interface software for board control and
data analysis
Connector to the EVAL-SDP-CB1Z System Demonstration
Platform (SDP) board
Various power supply and reference link options
APPLICATIONS
Biomedical sensors
Bioelectrical impedance analysis
Electrochemical analysis
Impedance spectroscopy
Complex impedance measurement
Nondestructive testing
GENERAL DESCRIPTION
The AD9834 is a 75 MHz, low power DDS device capable of
producing high performance sine and triangular outputs. It
also has an on-board comparator that allows a square wave to
be produced for clock generation. Consuming only 20 mW of
power at 3 V makes the AD9834 an ideal candidate for power-
sensitive applications.
The EVAL-AD9834SDZ board is used in conjunction with a
EVAL-SDP-CB1Z board available from Analog Devices, Inc. The
USB-to-SPI communication to the AD9834 is completed
using this Blackfin? - based development board.
A high performance, on-board 75 MHz trimmed general oscillator
is available to use as the master clock for the AD9834 system.
Various links and SMB connectors are also available on the
EVAL-AD9834SDZ board to maximize the usability.
Complete specifications for the AD9834 are provided in the
AD9834 data sheet, available from Analog Devices, and should
be consulted in conjunction with this user guide when using the
evaluation board.
FUNCTIONAL BLOCK DIAGRAM
EVAL-SDP-CB1Z
MCLK XO
MCLK
PSELECT
ADP3301
IOUT
GPIO
FSELECT
RESET
AD9834
IOUTB
FSYNC SCLK SDATA
USB
SPORT
Figure 1.
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
Rev. A | Page 1 of 16
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