AD9650
120
100
80
60
40
20
0
105
100
95
SFDR (dBFS)
SNR (dBFS)
SFDR
SNR
90
SFDR (dBc)
SNR (dB)
85
80
75
45
50
55
60
65
70
75
80
85
–100 –90 –80 –70 –60 –50 –40 –30 –20 –10
0
SAMPLE RATE (MSPS)
INPUT AMPLITUDE (dBFS)
Figure 30. AD9650-65 Single-Tone SNR/SFDR vs. Sample Rate (fS)
with fIN = 30 MHz
Figure 27. AD9650-65 Single-Tone SNR/SFDR vs. Input Amplitude (AIN
)
with fIN =30.3 MHz
1400000
1200000
1000000
800000
600000
400000
200000
0
120
SFDR (dBFS) DITHER ON
115
110
105
100
95
SFDR (dBFS) DITHER OFF
90
SNR (dBFS) DITHER OFF
85
SNR (dBFS) DITHER ON
80
75
70
–100 –90 –80 –70 –60 –50 –40 –30 –20 –10
0
INPUT AMPLITUDE (dBFS)
OUTPUT CODE
Figure 28. AD9650-65 Single-Tone SNR/SFDR vs. Input Amplitude (AIN
)
Figure 31. AD9650-65 Grounded Input Histogram
with fIN = 30.3 MHz with and Without Dither Enabled
6
100
95
90
85
80
75
70
65
100
90
80
70
60
50
40
30
20
10
0
DITHER DISABLED
DITHER ENABLED
4
2
SFDR
0
–2
–4
–6
SNR (–40°C)
SFDR (–40°C)
SNR
SNR (+25°C)
SFDR (+25°C)
SNR (+85°C)
SFDR (+85°C)
0
10000
20000
30000
40000
50000
60000
0
50
100
150
200
250
300
OUTPUT CODE
INPUT FREQUENCY (MHz)
Figure 29. AD9650-65 Single-Tone SNR/SFDR vs. Input Frequency (fIN
)
Figure 32. AD9650-65 INL with fIN = 9.7 MHz
with 2.7 V p-p Full Scale
Rev. 0 | Page 19 of 44
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