Datasheet

AD9260
Rev. C | Page 18 of 44
TYPICAL AC CHARACTERIZATION CURVES FOR 2× MODE
AVDD = DVDD = DRVDD = +5 V, 4 V Input Span, Differential DC Coupled Input with CML = 2 V, Full Bias.
50
55
60
65
70
75
80
SINAD (dB)
INPUT FREQUENCY (MHz)
0.1 1.0 10.0
00581-C-035
–6.0dBFS
–0.5dBFS
–20dBFS
Figure 35. SINAD vs. Input Frequency (f
CLOCK
= 20 MSPS)
–100
–95
–90
–85
–80
–75
THD (dB)
–70
–65
–60
INPUT FREQUENCY (MHz)
0.1 1.0 10.0
00581-C-036
–6.0dBFS
–0.5dBFS
–20dBFS
Figure 36. THD vs. Input Frequency (f
CLOCK
= 20 MSPS)
70
75
80
85
90
95
100
SFDR (dBc)
INPUT FREQUENCY (MHz)
0.1 1.0 10.0
00581-C-037
–6.0dBFS
–0.5dBFS
–20dBFS
Figure 37. SFDR vs. Input Frequency (f
CLOCK
= 20 MSPS)
50
55
60
65
70
75
80
SINAD (dB)
INPUT FREQUENCY (MHz)
0.1 1.0 10.0
00581-C-038
–6.0dBFS
–0.5dBFS
–20dBFS
Figure 38. SINAD vs. Input Frequency (f
CLOCK
= 10 MSPS)
–100
–95
–90
–85
–80
–75
THD (dB)
–70
–65
–60
INPUT FREQUENCY (MHz)
0.1 1.0 10.0
00581-C-039
–6.0dBFS
–0.5dBFS
–20dBFS
Figure 39. THD vs. Input Frequency (f
CLOCK
= 10 MSPS)
70
75
80
85
90
95
100
SFDR (dBc)
INPUT FREQUENCY (MHz)
0.1 1.0 10.0
00581-C-040
–6.0dBFS
–0.5dBFS
–20dBFS
Figure 40. SFDR vs. Input Frequency (f
CLOCK
= 10 MSPS)