AD9866 Analog Devices, AD9866 Datasheet - Page 16

• Manufacturer Part Number: AD9866
• Manufacturer: Analog Devices

Specifications of AD9866

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 80MSPS
• Interface: Nibble
• Analog Input Type: Diff-Uni
• Ain Range: 6.3 V p-p,8 mV p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9866
TxDAC PATH TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = CLKVDD = DVDD = DRVDD = 3.3 V, fOSCIN = 50 MSPS and 80 MSPS, RSET = 1.96 kΩ, 2:1 transformer coupled output
(see Figure 63) into 50 Ω load half-or full-duplex interface, default power bias settings.
Figure 29. 2-Tone Worst Spur Frequency Sweep vs. Peak Power
–10
–20
–30
–40
–50
–60
–70
–80
10
–65
–70
–75
–80
–85
–90
–65
–70
–75
–80
–85
–90
Figure 28. 2-Tone IMD Frequency Sweep vs. Peak Power
0
(f
Figure 27. Dual-Tone Spectral Plot of TxDAC's Output
0
DATA
0
0
= 50 MSPS, 4× Interpolation, 10 dBm Peak Power,
2.5
with f
2.5
with f
5
F1 = 17 MHz, F2 = 18 MHz)
2-TONE CENTER FREQUENCY (MHz)
DATA
2-TONE CENTER FREQUENCY (MHz)
DATA
5.0
5.0
= 50 MSPS, 4× Interpolation
= 50 MSPS, 4× Interpolation
10dBm
FREQUENCY (MHz)
7.5
7.5
10
10.0
10.0
15
7dBm
7dBm
12.5
12.5
4dBm
4dBm
15.0
15.0
20
10dBm
17.5
17.5
25
20.0
20.0
Rev. B | Page 16 of 48
Figure 32. 2-Tone Worst Spur Frequency Sweep vs. Peak Power
–10
–20
–30
–40
–50
–60
–70
–80
–65
–70
–75
–80
–85
–90
–65
–70
–75
–80
–85
–90
10
Figure 31. 2-Tone IMD Frequency Sweep vs. Peak Power
(f
0
Figure 30. Dual-Tone Spectral Plot of TxDAC's Output
DATA
0
0
0
= 80 MSPS, 2× Interpolation, 10 dBm Peak Power,
with f
with f
5
5
5
F1 = 27.1 MHz, F2 = 28.7 MHz)
2-TONE CENTER FREQUENCY (MHz)
DATA
2-TONE CENTER FREQUENCY (MHz)
DATA
10
= 80 MSPS, 2× Interpolation
= 80 MSPS, 2× Interpolation
10
10
FREQUENCY (MHz)
15
4dBm
4dBm
20
15
15
10dBm
25
20
20
10dBm
7dBm
7dBm
30
25
25
35
40
30
30