Datasheet

AD9776/AD9778/AD9779
Rev. A | Page 40 of 56
0
0 250
f
DATA
(MSPS)
POWER (W)
0.075
25 50 75 100 125 150 175 200 225
0.050
0.025
ALL INTERPOLATION MODES
05361-080
Figure 84. Digital 3.3 V Supply, I Data Only, Real Mode, Includes Modulation
Modes and Zero Stuffing
0
0 300250 275
f
DATA
(MSPS)
POWER (W)
0.6
1.0
0.7
0.8
0.9
0.5
0.4
0.3
0.2
0.1
25 50 75 100 125 150 175 200 225
05361-077
1× INTERPOLATION
1× INTERPOLATION,
ZERO STUFFING
2× INTERPOLATION,
ALL MODULATION MODES
2× INTERPOLATION,
ZERO STUFFING
4× INTERPOLATION,
ALL MODULATION
MODES
4× INTERPOLATION,
ZERO STUFFING
8× INTERPOLATION, ALL
MODULATION MODES
8× INTERPOLATION,
ZERO STUFFING
Figure 85. Total Power Dissipation, Dual DAC Mode
0
0
250
f
DATA
(MSPS)
POWER (W)
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
25 50 75 100 125 150 175 200 225
2× INTERPOLATION
4× INTERPOLATION
1× INTERPOLATION,
NO MODULATION
8× INTERPOLATION, f
DAC
/8,
f
DAC
/4,
f
DAC
/2,
NO MODULATION
05361-081
Figure 86. Power Dissipation, Digital 1.8 V Supply, I and Q Data, Dual DAC
Mode, Does Not Include Zero Stuffing
0
0
250
f
DATA
(MSPS)
POWER (W)
0.125
25 50 75 100 125 150 175 200 225
2× INTERPOLATION
4× INTERPOLATION
1× INTERPOLATION,
NO MODULATION
8× INTERPOLATION, f
DAC
/8,
f
DAC
/4,
f
DAC
/2,
NO MODULATION
0.100
0.075
0.050
0.025
05361-082
Figure 87. Power Dissipation, Clock 1.8 V Supply, I and Q Data, Dual DAC
Mode, Does Not Include Zero Stuffing
0
0 250
f
DATA
(MSPS)
POWER (W)
0.075
25 50 75 100 125 150 175 200 225
0.050
0.025
ALL INTERPOLATION MODES
05361-083
Figure 88. Digital 3.3 V Supply, I and Q Data, Dual DAC Mode
0.16
0
0 1200
f
DAC
(MSPS)
POWER (W)
0.14
0.12
0.10
0.08
0.06
0.04
0.02
200 400 600 800 1000
05361-084
Figure 89. Power Dissipation of Inverse Sinc Filter