AD9853 查看數據表（PDF） - Analog Devices
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AD9853 Datasheet PDF : 31 Pages
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AD9853
95
0.80
BIT RATE >2Mb/s
CLK = 122.88 MHz
85
VCC = +5V
0.75 VCC = +3.3V
CONTINUOUS MODE
CONTINUOUS MODE
75
0.70
65
0.65
55
0.60
45
110 115 120 125 130 135 140 145 150 155 160 165 170
MAX CLOCK RATE – MHz
Figure 20. Max CLK Rate vs. Ambient Temperature
(To Ensure Max Junction Temp is Not Exceeded)
0.55
0
1
2
3
4
5
6
BIT RATE – Mb/s
Figure 23. PWR Consumption vs. Bit Rate
OBSOLETE 2.6
2.4
VCC = +5.0V
2.2
2.0
1.8
CLK = 165MHz
CONTINUOUS MODE
1.6
1.4
VCC = +4.0V
1.2
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
2.5
CLK = 165MHz
2.4
VCC = +5.0V
BIT RATE = 3.4Mb/s
2.3
2.2
2.1
2.0
1.9
0
20
40
60
80
100
BIT RATE – Mb/s
BURST MODE DUTY CYCLE – %
Figure 21. Power Consumption vs. Bit Rate
Figure 24. Power Consumption vs. Burst Duty Cycle
–40
AOUT = 42MHz
AOUT = 32MHz
–45
–50
AOUT = 22MHz
–55
AOUT = 12MHz
CLK = 122.88 MHz
VCC = +3.3V
–60
5.12
2.56
1.28
0.64
BIT RATE – Mb/s
Figure 22. Spurious Emission vs. Bit Rate vs. AOUT
–40
AOUT = 65MHz
–42
–44
AOUT = 40MHz
–46
–48
AOUT = 20MHz
–50
CLK = 165MHz
VCC = +4.0V TO +5.0V
–52
3.5
1.75
0.88
0.44
BIT RATE – Mb/s
Figure 25. Spurious Emission vs. Bit Rate vs. AOUT
REV. C
–11–
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