AD9639BCPZ-170 Datasheet, PDF (12/36 Pages) Analog Devices – Quad, 12-Bit, 170 MSPS/210 MSPS Serial Output 1.8 V ADC

AD9639
100
90
SFDR (dBFS)
80
70
SNR (dBFS)
60
50
SFDR (dB)
40
30
SNR (dB)
20
10
0
–90 –80 –70 –60 –50 –40 –30 –20 –10 0
ANALOG INPUT LEVEL (dBFS)
Figure 10. SNR/SFDR vs. Analog Input Level, fIN = 84.3 MHz, fSAMPLE = 170 MSPS
100
90
SFDR (dBFS)
80
70
SNR (dBFS)
60
50
SFDR (dB)
40
30
SNR (dB)
20
10
0
–90 –80 –70 –60 –50 –40 –30 –20 –10 0
ANALOG INPUT LEVEL (dBFS)
Figure 11. SNR/SFDR vs. Analog Input Level, fIN = 84.3 MHz, fSAMPLE = 210 MSPS
0
AIN1 AND AIN2 = –7.0dBFS
SFDR = 77.26dBc
–20
IMD2 = –86.55dBc
IMD3 = –77.26dBc
–40
–60
–80
–100
–120
0
10
20 30
40 50
60 70
80
FREQUENCY (MHz)
Figure 12. Two-Tone 32k FFT with fIN1 = 140.2 MHz and fIN2 = 141.3 MHz,
fSAMPLE = 170 MSPS
Data Sheet
0
AIN1 AND AIN2 = –7.0dBFS
SFDR = 75.44dBc
–20 IMD2 = –78.34dBc
IMD3 = –75.44dBc
–40
–60
–80
–100
–120
0
20
40
60
80
100
FREQUENCY (MHz)
Figure 13. Two-Tone 32k FFT with fIN1 = 140.2 MHz and fIN2 = 141.3 MHz,
fSAMPLE = 210 MSPS
0
AIN1 AND AIN2 = –7.0dBFS
SFDR = 76.88dBc
–20
IMD2 = –78.75dBc
IMD3 = –78.68dBc
–40
–60
–80
–100
–120
0
20
40
60
80
100
FREQUENCY (MHz)
Figure 14. Two-Tone 32k FFT with fIN1 = 170.2 MHz and fIN2 = 171.3 MHz,
fSAMPLE = 210 MSPS
95
90
85
80
SFDR (dB)
75
70
65
SNR (dB)
60
55
50
45
0 50 100 150 200 250 300 350 400 450 500
AIN FREQUENCY (MHz)
Figure 15. SNR/SFDR Amplitude vs. AIN Frequency, fSAMPLE = 170 MSPS
Rev. B | Page 12 of 36