AD9853 Analog Devices, AD9853 Datasheet - Page 11
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AD9853
Manufacturer Part Number
AD9853
Description
Programmable Digital OPSK/16-QAM Modulator
Manufacturer
Analog Devices
Datasheet
1.AD9853.pdf
(31 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD9853AS
Manufacturer:
ADI
Quantity:
20 000
Part Number:
AD9853BRU
Manufacturer:
ADI/亚德诺
Quantity:
20 000
REV. C
Figure 20. Max CLK Rate vs. Ambient Temperature
(To Ensure Max Junction Temp is Not Exceeded)
Figure 22. Spurious Emission vs. Bit Rate vs. A
–40
–45
–50
–55
–60
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
95
85
75
65
55
45
Figure 21. Power Consumption vs. Bit Rate
5.12
110 115
0
CLK = 122.88 MHz
VCC = +3.3V
CLK = 165MHz
CONTINUOUS MODE
0.5
120 125 130 135 140 145 150 155 160 165
VCC = +5.0V
A
A
OUT
OUT
1.0
2.56
MAX CLOCK RATE – MHz
= 12MHz
= 42MHz
VCC = +4.0V
BIT RATE – Mb/s
BIT RATE – Mb/s
1.5
A
BIT RATE >2Mb/s
VCC = +5V
CONTINUOUS MODE
2.0
OUT
1.28
= 32MHz
A
OUT
2.5
= 22MHz
3.0
0.64
170
3.5
OUT
–11–
Figure 24. Power Consumption vs. Burst Duty Cycle
Figure 25. Spurious Emission vs. Bit Rate vs. A
0.80
0.75
0.70
0.65
0.60
0.55
–40
–42
–44
–46
–48
–50
–52
2.5
2.4
2.3
2.2
2.1
2.0
1.9
Figure 23. PWR Consumption vs. Bit Rate
3.5
0
0
CLK = 165MHz
VCC = +4.0V TO +5.0V
CLK = 165MHz
VCC = +5.0V
BIT RATE = 3.4Mb/s
CLK = 122.88 MHz
VCC = +3.3V
CONTINUOUS MODE
1
20
BURST MODE DUTY CYCLE – %
1.75
2
BIT RATE – Mb/s
BIT RATE – Mb/s
40
A
OUT
3
= 20MHz
A
OUT
60
0.88
= 40MHz
4
A
OUT
80
= 65MHz
AD9853
5
0.44
100
OUT
6