AD9260
Typical AC Characterization Curves for 8؋ Mode
(AVDD = DVDD = DRVDD = +5 V, 4 V Input Span, Differential DC Coupled Input with CML = 2 V, Full Bias)
90
90
85
–0.5dBFS
80
–6.0dBFS
75
85
–0.5dBFS
80
–6.0dBFS
75
70
–20dBFS
65
70
–20dBFS
65
60
0.1
1
INPUT FREQUENCY – MHz
Figure 17. SINAD vs. Input Frequency (fCLOCK = 20 MSPS)1
60
0.1
1
INPUT FREQUENCY – MHz
Figure 20. SINAD vs. Input Frequency (fCLOCK = 10 MSPS)1
–70
–75
–20dBFS
–80
–85
–90
–0.5dBFS
–95
–6.0dBFS
–100
–105
–110
0.1
1
INPUT FREQUENCY – MHz
Figure 18. THD vs. Input Frequency (fCLOCK = 20 MSPS)
–70
–75
–80
–20dBFS
–85
–90
–95
–6.0dBFS
–100
–0.5dBFS
–105
0.1
1
INPUT FREQUENCY – MHz
Figure 21. THD vs. Input Frequency (fCLOCK = 10 MSPS)
105
105
100
–6.0dBFS
95
–0.5dBFS
90
100
–6.0dBFS
95
–0.5dBFS
90
85
–20dBFS
80
0.1
1
INPUT FREQUENCY – MHz
Figure 19. SFDR vs. Input Frequency (fCLOCK = 20 MSPS)
85
–20dBFS
80
0.1
1
INPUT FREQUENCY – MHz
Figure 22. SFDR vs. Input Frequency (fCLOCK = 10 MSPS)
1SINAD performance limited by noise contribution of input differential op amp
driver.
–14–
REV. B