AD9650
120
100
80
60
40
20
0
105
100
95
SFDR (dBFS)
SNR (dBFS)
SFDR
90
SFDR (dBc)
SNR (dB)
85
SNR
75
80
75
60
65
70
80
85
90
95
100
–100 –90 –80 –70 –60 –50 –40 –30 –20 –10
0
SAMPLE RATE (MSPS)
INPUT AMPLITUDE (dBFS)
Figure 44. AD9650-80 Single-Tone SNR/SFDR vs. Sample Rate (fS)
with fIN = 30 MHz
Figure 41. AD9650-80 Single-Tone SNR/SFDR vs. Input Amplitude (AIN
)
with fIN = 30.3 MHz
1400000
1200000
1000000
800000
900000
600000
200000
0
120
SFDR (dBFS) DITHER ON
100
80
SFDR (dBFS) DITHER OFF
60
40
20
0
SNR (dBFS) DITHER OFF
SNR (dBFS) DITHER ON
–100 –90 –80 –70 –60 –50 –40 –30 –20 –10
0
INPUT AMPLITUDE (dBFS)
OUTPUT CODE
Figure 45. AD9650-80 Grounded Input Histogram
Figure 42. AD9650-80 Single-Tone SNR/SFDR vs. Input Amplitude (AIN) with
fIN = 30.3 MHz with and Without Dither Enabled
6
100
95
90
85
80
75
70
65
120
100
80
60
40
20
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 43. AD9650-80 Single-Tone SNR/SFDR vs. Input Frequency (fIN
)
Figure 46. AD9650-80 INL with fIN = 9.7 MHz
Rev. 0 | Page 22 of 44
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