Datasheet

AD9648
Rev. 0 | Page 23 of 44
50
55
60
65
70
75
80
85
90
95
100
0 50 100 150 200 250
SNR/SFDR (dBFS/dBc)
ANALOG INPUT FREQUENCY (MHz)
SFDR (dBc)
SNR (dBFS)
09975-075
Figure 28. SNR/SFDR vs. Input Frequency (AIN) with 2 V p-p Full Scale
0
20
40
60
80
100
120
5 15 25 35 45 55 65 75 85 95 105
SNR/SFDR (dBFS/dBc)
SAMPLE RATE (MSPS)
SFDR (dBc)
SNR (dBFS)
09975-012
Figure 29. SNR/SFDR vs. Sample Rate with AIN = 9.7 MHz
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
0 2000 4000 6000 8000 10000 12000 14000 16000
DNL ERROR (LSB)
OUTPUT CODE
09975-010
Figure 30. DNL Error with f
IN
= 9.7 MHz
0
20
40
60
80
100
120
–90 –80 –70 –60 –50 –40 –30 –20 –10
0
SNR/SFDR (dBFS/dBc)
INPUT AMPLITUDE (dBFS)
SFDRFS
SNRFS
SFDR
SNR
09975-077
Figure 31. SNR/SFDR vs. Input Amplitude (AIN) with f
IN
= 9.7 MHz
0
20
40
60
80
100
120
5 15 25 35 45 55 65 75 85 95 105
SNR/SFDR (dBFS/dBc)
SAMPLE RATE (MSPS)
SFDR (dBc)
SNR (dBFS)
09975-011
Figure 32. SNR/SFDR vs. Sample Rate with AIN = 70.1 MHz
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
0 2000 4000 6000 8000 10000 12000 14000 16000
INL ERROR (LSB)
OUTPUT CODE
09975-009
Figure 33. INL Error with f
IN
= 9.7 MHz