AD6672 Analog Devices, AD6672 Datasheet - Page 13

• Manufacturer Part Number: AD6672
• Description: IF Receiver
• Manufacturer: Analog Devices

Specifications of AD6672

• Resolution (bits): 11bit
• # Chan: 1
• Sample Rate: 250MSPS
• Interface: LVDS
• Analog Input Type: Diff-Uni
• Ain Range: 1.75 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

Figure 11. Single-Tone SNR/SFDR vs. Input Frequency (f
–100
–120
100
120
100
–20
–40
–60
–80
95
90
85
80
75
70
65
60
80
60
40
20
Figure 10. Single-Tone SNR/SFDR vs. Input Amplitude (A
Figure 12. Two-Tone SFDR/IMD3 vs. Input Amplitude (A
–100
0
0
–90
with f
SNR (dBFS)
–90
–80
IN1
= 89.12 MHz, f
IMD3 (dBc)
with f
–80
–70
SFDR (dBFS)
IN
–70
SFDR (dBc)
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
= 90.1 MHz, f
FREQUENCY (MHz)
–60
–60
SFDR (dBc)
SFDR (dBFS)
SFDR (dBFS)
IMD3 (dBFS)
IN2
SNR (dBc)
= 92.12 MHz, f
–50
–50
S
= 250 MSPS
–40
–40
SNR (dBc)
–30
S
–30
= 250 MSPS
–20
IN
), f
–20
S
–10
= 250 MSPS
IN
IN
–10
)
)
0
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Figure 15. Two-Tone FFT with f
Figure 14. Two-Tone FFT with f
–100
–120
–140
–100
–120
–140
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
–90.0
Figure 13. Two-Tone SFDR/IMD3 vs. Input Amplitude (A
0
0
0
with f
0
0
250MSPS
89.12MHz @ –7.0dBFS
92.12MHz @ –7.0dBFS
SFDR = 87dBc (94dBFS)
250MSPS
184.12MHz @ –7.0dBFS
187.12MHz @ –7.0dBFS
SFDR = 86dBc (93dBFS)
10
10
IN1
–78.5
IMD3 (dBFS)
= 184.12 MHz, f
IMD3 (dBc)
20
20
30
30
–67.0
INPUT AMPLITUDE (dBFS)
40
40
FREQUENCY (Hz)
FREQUENCY (Hz)
SFDR (dBc)
–55.5
50
50
IN2
IN1
= 187.12 MHz, f
IN1
60
60
= 184.12 MHz, f
SFDR (dBFS)
= 89.12 MHz, f
–44.0
70
70
80
80
–32.5
90
90
S
= 250 MSPS
IN2
IN2
100
100
= 92.12 MHz
= 187.12 MHz
–21.0
110
110
AD6672
IN
120
120
)
–9.5