Rainbow Electronics MAX1444 - Manual (Page 12)

MAX1444
10-Bit, 40Msps, +3.0V, Low-Power
ADC with Internal Reference
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60
65
80
75
70
85
90
20 40 30 50 60 70
CLOCK DUTY CYCLE (%)
SFDR (dBc)
f IN = 13.24MHz AT-0.5dB FS
Figure 3a. Spurious-Free Dynamic Range vs. Clock Duty Cycle
(Differential Input)
56
57
59
58
60
61
20 40 30 50 60 70
CLOCK DUTY CYCLE (%)
SNR (dB)
f IN = 13.24MHz AT-0.5dB FS
Figure 3b. Signal-to-Noise Ratio vs. Clock Duty Cycle
(Differential Input)
-80
-76
-68
-72
-64
-60
20 40 30 50 60 70
CLOCK DUTY CYCLE (%)
THD (dBc)
f IN = 13.24MHz AT-0.5dB FS
Figure 4a. Total Harmonic Distortion vs. Clock Duty Cycle
(Differential Input)
61
60
59
58
57
20 40 30 50 60 70
CLOCK DUTY CYCLE (%)
SINAD (dB)
f IN = 13.24MHz AT-0.5dB FS
Figure 4b. Signal-to-Noise Plus Distortion vs. Clock Duty Cycle
(Differential Input)
OUTPUT
DATA D9–D0
OE
t DISABLE t
ENABLE
HIGH-Z HIGH-Z
VALID DATA
Figure 5. Output Enable Timing