Datasheet

AD9224
–7–REV. A
INPUT AMPLITUDE
0
–0.5 –60
SNR/SFDR
–20 –40
40
10
50
30
20
60
70
80
SNR
SFDR
Figure 8. SNR/SFDR vs. A
IN
(Input Amplitude) (f
IN
= 20 MHz,
Input Span = 4.0 V p-p, V
CM
= 2.5 V Differential Input)
90
20
60
80
70
50
40
30
30
10
0
2520151050.5
THD
SNR
INPUT FREQUENCY
+SNR/–THD
Figure 9. +SNR/–THD vs. Input Frequency (Input Span =
4.0 V p-p, V
CM
= 2.5 V Single-Ended Input)
BIN
HITS
2093
167819
2857
N+1NN–1
Figure 10.␣ “Grounded-Input” Histogram (Input Span =
2 V p-p)
SAMPLE RATE – MHz
90
30
60
60
THD – dB
80
70
50
40
5040302010
Figure 11. THD vs. Sample Rate (A
IN
= –0.5 dB, V
CM
= 2.5 V
Input Span = 4.0 V p-p, V
CM
= 2.5 V Differential Input)
INPUT FREQUENCY
70
60
20
+SNR/–THD
50
40
30
20
SNR
THD
151050.5 25 30 70
90
80
10
0
35 40 45 50 55 60 65
Figure 12. +SNR/–THD vs. Input Frequency (F
S
= 32 MHz,
Input Span = 4.0 V p-p, V
CM
= 2.5 V Differential Input)