Datasheet

AD9780/AD9781/AD9783 Data Sheet
Rev. B | Page 30 of 32
POWER DISSIPATION
Figure 68 through Figure 73 show the power dissipation of the part in single DAC and dual DAC modes.
0
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0 100 200 300 400 500
06936-065
CLOCK SPEED (MSPS)
POWER (W)
Figure 68. Power Dissipation, I Data Only, Single DAC Mode
0
0.025
0.050
0.075
0.100
0.125
0.150
0.175
0.200
0 100 200 300 400
500
06936-066
CLOCK SPEED (MSPS)
POWER (W)
DVDD18
CVDD
Figure 69. Power Dissipation, Digital 1.8 V Supply, Clock 1.8 V Supply,
I Data Only
0
0.025
0.050
0.075
0.100
0.125
0.150
0.175
0.200
0 100 200 300 400 500
06936-067
CLOCK SPEED (MSPS)
POWER (W)
AVDD33
DVDD33
Figure 70. Power Dissipation, Digital 3.3 V Supply, Analog 3.3 V Supply,
I Data Only
0
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0 100 200 300 400 500
06936-068
CLOCK SPEED (MSPS)
POWER (W)
Figure 71. Power Dissipation, I and Q Data, Dual DAC Mode
0
0.025
0.050
0.075
0.100
0.125
0.150
0.175
0.200
DVDD18
CVDD
0 100 200 300 400 500
06936-069
CLOCK SPEED (MSPS)
POWER (W)
Figure 72. Power Dissipation, Digital 1.8 V Supply, Clock 1.8 V Supply,
I and Q Data, Dual DAC Mode
0
0.025
0.050
0.075
0.100
0.125
0.150
0.175
0.200
0 100 200 300 400 500
06936-070
CLOCK SPEED (MSPS)
POWER (W)
AVDD33
DVDD33
Figure 73. Power Dissipation, Digital 3.3 V Supply, Analog 3.3 V Supply,
I and Q Data, Dual DAC Mode