AD9257 Datasheet, PDF (11/40 Pages) Analog Devices – Octal, 14-Bit, 40/65 MSPS, Serial LVDS

Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
AD9257-65
0
–15
–30
65MSPS
9.7MHz AT –1dBFS
SNR = 74.7dB (75.7dBFS)
SFDR = 93.5dBc
–45
–60
–75
–90
–105
–120
–135
3 6 9 12 15 18 21 24 27 30
FREQUENCY (MHz)
Figure 6. Single-Tone 16k FFT with fIN = 9.7 MHz, fSAMPLE = 65 MSPS
AD9257
0
65MSPS
–15 19.7MHz AT –1dBFS
SNR = 74.7dB (75.7dBFS)
–30 ^{SFDR = 96.7dBc}
–45
–60
–75
–90
–105
–120
–135
3 6 9 12 15 18 21 24 27 30
FREQUENCY (MHz)
Figure 9. Single-Tone 16k FFT with fIN = 19.7 MHz, fSAMPLE = 65 MSPS
0
65MSPS
–15
63.5MHz AT –1dBFS
SNR = 73.9dB (74.9dBFS)
–30
SFDR = 95.4dBc
–45
–60
–75
–90
–105
–120
–135
3 6 9 12 15 18 21 24 27 30
FREQUENCY (MHz)
Figure 7. Single-Tone 16k FFT with fIN = 63.5 MHz, fSAMPLE = 65 MSPS
0
65MSPS
–15 30.5MHz AT –1dBFS
SNR = 74.7dB (75.7dBFS)
–30 ^{SFDR = 96.7dBc}
–45
–60
–75
–90
–105
–120
–135
3 6 9 12 15 18 21 24 27 30
FREQUENCY (MHz)
Figure 10. Single-Tone 16k FFT with fIN = 30.5 MHz, fSAMPLE = 65 MSPS
0
–15
–30
–45
–60
–75
–90
–105
F2 – F1
F1 + F2
2F2 + F1
2F2 – F1
2F1 + F2
2F1 – F2
–120
–135
3 6 9 12 15 18 21 24 27 30
FREQUENCY (MHz)
Figure 8. Two-Tone 16k FFT with fIN1 = 30 MHz and fIN2 = 32 MHz,
fSAMPLE = 65 MSPS
0
65MSPS
–15
123.4MHz AT –1dBFS
SNR = 72.2dB (73.2dBFS)
–30
SFDR = 83.0dBc
–45
–60
–75
–90
–105
–120
–135
3 6 9 12 15 18 21 24 27 30
FREQUENCY (MHz)
Figure 11. Single-Tone 16k FFT with fIN = 123.4 MHz, fSAMPLE = 65 MSPS
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