AD9852_15 Datasheet, PDF (39/52 Pages) Analog Devices – CMOS 300 MSPS Complete DDS

inverse sinc filter, both DACs, and the on-board comparator
are enabled. Basic configuration means the output scaling
multipliers, the inverse sinc filter, the control DAC, and the
on-board comparator are disabled.
Figure 60 shows the approximate current consumed by each of
the four functions.
1400
1200
1000
800
ALL CIRCUITS ENABLED
600
400
BASIC CONFIGURATION
200
0
20
60 100 140 180 220 260 300
FREQUENCY (MHz)
NOTES
THIS GRAPH ASSUMES THAT THE AD9852 DEVICE IS SOLDERED
TO A MULTILAYER PCB PER THE RECOMMENDED BEST
MANUFACTURING PRACTICES AND PROCEDURES FOR THE
GIVEN PACKAGE TYPE.
Figure 59. Current Consumption vs. Clock Frequency
AD9852
500
450
INVERSE SINC FILTER
400
350
300
250
200
OUTPUT SCALING
MULTIPLIERS
150
100
CONTROL DAC
COMPARATOR
50
0
20
60 100 140 180 220 260 300
FREQUENCY (MHz)
NOTES
THIS GRAPH ASSUMES THAT THE AD9852 DEVICE IS SOLDERED
TO A MULTILAYER PCB PER THE RECOMMENDED BEST
MANUFACTURING PRACTICES AND PROCEDURES FOR THE
GIVEN PACKAGE TYPE.
Figure 60. Current Consumption by Function vs. Clock Frequency
Rev. E | Page 39 of 52