Datasheet

AD9484
Rev. A | Page 11 of 24
40
45
50
55
60
65
70
75
80
85
50 100 150 200 250 300 350 400 450 500 550
SNR/SFDR (dB)
SAMPLE RATE (MSPS)
SFDR (dBc), 30.3MHz
SFDR (dBc), 100.3MHz
SNR (dBFS), 30.3MHz
SNR (dBFS), 100.3M
Hz
09615-112
Figure 10. SNR/SFDR vs. Sample Rate; 30.3 MHz, 100.3 MHz
40
30
10
20
0
50
60
70
80
90
100
–50 –45 –40 –35 –30 –25 –20 –15 –10 –5 0
SNR/SFDR (dB)
AMPLITUDE (dB)
09615-211
SFDR (dBFS)
SNR (dBFS)
SFDR (dBc)
SNR (dB)
Figure 11. SNR/SFDR vs. Input Amplitude; 500 MSPS,140.3 MHz
–0.10
–0.08
–0.06
–0.04
–0.02
0
0.02
0.04
0.06
0.08
0.10
0 64 128 192 256
INL (LSB)
OUTPUT CODE
09615-114
Figure 12. INL, 500 MSPS
–0.10
–0.08
–0.06
–0.04
–0.02
0
0.02
0.04
0.06
0.08
0.10
DNL (LSB)
0 64 128 192 256
OUTPUT CODE
09615-115
Figure 13. DNL, 500 MSPS
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0.29 LSB rms
N – 3 N – 2 N – 1 N N + 1 N + 2 N + 3
NUMBER OF HITS (M)
BINS
09615-116
Figure 14. Grounded Input Histogram, 500 MSPS
–100
–80
–60
–40
–20
–10
–90
–70
–50
–30
0
0
20 40 60 80 100 120 140 160 180
AMPLITUDE (dBFS)
FREQUENCY (MHz)
500MSPS
119.5MHz AT –7.0dBFS
122.5MHz AT –7.0dBFS
200 220 240
SFDR: 77dBc
09615-215
Figure 15. 64k Point, Two-Tone FFT; 500 MSPS,
119.2 MHz, 122.5 MHz