Data Sheet
AD9653
120
120
100
80
60
40
20
0
SFDRFS
100
80
60
40
20
0
SFDR (dBc)
SNRFS
SFDR
SNR (dBFS)
SNR
–20
–100 –90 –80 –70 –60 –50 –40 –30 –20 –10
0
0
20
40
60
80
100 120 140 160 180 200
INPUT AMPLITUDE (dBFS)
INPUT FREQUENCY (MHz)
Figure 13. SNR/SFDR vs. Input Amplitude (AIN), fIN = 9.7 MHz,
Figure 16. SNR/SFDR vs. fIN, fSAMPLE = 125 MSPS, Clock Divider = 8, VREF = 1.0 V
f
SAMPLE = 125 MSPS, VREF = 1.0 V
0
–15
100
95
–30
SFDR (dBc)
–45
90
–60
85
80
–75
2F1 + F2
2F2 + F1
–90
F2 – F1
2F1 – F2
+
F2 – F1
F1 + F2
–105
–120
–135
SNR (dBFS)
75
70
–40
–20
0
20
40
60
80
0
6
12
18
24
30
36
42
48
54
60
FREQUENCY (MHz)
TEMPERATURE (C)
Figure 14. Two-Tone 16k FFT with fIN1 = 70.5 MHz and fIN2 = 72.5 MHz,
SAMPLE = 125 MSPS, VREF = 1.0 V
Figure 17. SNR/SFDR vs. Temperature, fIN = 9.7 MHz,
f
f
SAMPLE = 125 MSPS, VREF = 1.0 V
0
–20
4.5
3.0
–40
1.5
SFDR (dBc)
IMD3 (dBc)
0
–60
–1.5
–3.0
–4.5
–80
SFDR (dBFS)
–100
–120
IMD3 (dBFS)
–90
–70
–50
–30
–10
INPUT AMPLITUDE (dBFS)
OUTPUT CODE
Figure 15. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with
IN1 = 70.5 MHz and fIN2 = 72.5 MHz, fSAMPLE = 125 MSPS, VREF = 1.0 V
Figure 18. INL, fIN = 9.7 MHz, fSAMPLE = 125 MSPS, VREF = 1.0 V
f
Rev. 0 | Page 15 of 40
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