AD9271 Analog Devices, AD9271 Datasheet - Page 19

• Manufacturer Part Number: AD9271
• Description: Octal LNA/VGA/AAF/ADC and Crosspoint Switch
• Manufacturer: Analog Devices

Specifications of AD9271

• Resolution (bits): 12bit
• # Chan: 8
• Sample Rate: 50MSPS
• Interface: LVDS,Ser
• Analog Input Type: SE-Uni
• Ain Range: 0.25 V p-p,0.32 V p-p,0.4 V p-p
• Adc Architecture: Pipelined
• Pkg Type: QFP

–100
–110
–100
–110
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
–60
0.2
AIN1 = AIN2 = –7dBFS
f1 = 5MHz
f2 = 6MHz
–55
0.3
5MHz AND 6MHz
–50
V
Figure 37. IMD3 vs. Amplitude
GAIN
Figure 36. IMD3 vs. V
0.4
–45
=
INPUT AMPLITUDE (dBFS)
1V
–40
8MHz AND 10.3MHz
0.5
V
GAIN
–35
V
GAIN
0.6
=
–30
0.5V
(V)
V
GAIN
GAIN
0.7
–25
2.3MHz AND 3.5MHz
=
–20
0V
0.8
–15
0.9
–10
1.0
–5
Rev. B | Page 19 of 60
–100
–120
–20
–40
–60
–80
0
0
Figure 38. Typical IMD3 and IMD2 Performance
5
FREQUENCY (MHz)
10
15
AIN1 = AIN2 = –7dBFS
IMD2 = –70.59dBc
IMD3 = –64.45dBc
20
V
f1 = 5MHz
f2 = 6MHz
GAIN
AD9271
= 1V
2
5