AD9863 Analog Devices, AD9863 Datasheet - Page 13

• Manufacturer Part Number: AD9863
• Description: 12-Bit Mixed-Signal Front-End (MxFE® )Processor For Broadband Applications
• Manufacturer: Analog Devices

Specifications of AD9863

• Resolution (bits): 12bit
• # Chan: 2
• Sample Rate: 50MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

Figure 23. AD9863 Tx Path THD/SFDR vs. Output Frequency of Tx Channel A,
Figure 24. AD9863 Tx Path THD vs. Output Frequency of Tx Channel A
–100
Figure 22. AD9863 Tx Path 1 MHz Single-Tone Output FFT of Tx Path
–50
–60
–70
–80
–90
–100
–100
–110
–50
–60
–70
–80
–90
–10
–20
–30
–50
–60
–70
–80
–90
40
0
0
with 20 mA Full-Scale Output into 33 Ω Differential Load
with 20 mA Full-Scale Output into 60 Ω Differential Load
0
0
2mA, 600Ω
5
5
5
OUTPUT FREQUENCY (MHz)
THD
OUTPUT FREQUENCY (MHz)
FREQUENCY (MHz)
10
10
10
SFDR
15
20mA, 60Ω
15
15
20mA, 33Ω
20
20
20
25
50
60
70
80
90
100
25
25
Rev. A | Page 13 of 40
Figure 25. AD9863 Tx Path 5 MHz Single-Tone Output FFT of Tx Channel A
Figure 26. AD9863 Tx Path SINAD/SNR vs. Output Frequency of Tx Path
–100
Figure 27. AD9863 Tx Path Dual-Tone (0.5 MHz Spacing) IMD vs.
–100
–110
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
–10
–20
–30
–50
–60
–70
–80
–90
74
72
70
68
66
64
62
40
with 20 mA Full-Scale Output into 33 Ω Differential Load
with 20 mA Full-Scale Output into 60 Ω Differential Load
0
0
0
0
5
5
5
OUTPUT FREQUENCY (MHz)
OUTPUT FREQUENCY (MHz)
Output Frequency
FREQUENCY (MHz)
10
10
10
SINAD
SNR
20mA, 60Ω
15
15
15
20mA, 33Ω
2mA, 600Ω
20
20
20
AD9863
25
25
25