AD9635 Datasheet, PDF (16/36 Pages) Analog Devices – Dual, 12-Bit, 80 MSPS/125 MSPS, Serial LVDS 1.8 V Analog-to-Digital Converter

AD9635
120
100
SFDRFS
80
SNRFS
60
SFDR
40
SNR
20
0
–20
–90 –80 –70 –60 –50 –40 –30 –20 –10 0
INPUT AMPLITUDE (dBFS)
Figure 32. SNR/SFDR vs. Analog Input Level; fIN = 9.7 MHz, fSAMPLE = 125 MSPS
0
AIN1 AND AIN2 = –7dBFS
–20
SFDR = 89.1dBc
IMD2 = –93.9dBc
IMD3 = –91.6dBc
–40
–60
–80
–100
–120
–140
0
20
40
60
FREQUENCY (MHz)
Figure 33. Two-Tone 16k FFT with fIN1 = 70.5 MHz and fIN2 = 72.5 MHz,
fSAMPLE = 125 MSPS
0
–20
SFDR (dBc)
–40
IMD3 (dBc)
–60
–80
–100
SFDR (dBFS)
IMD3 (dBFS)
–120
–90
–70
–50
–30
–10
INPUT AMPLITUDE (dBFS)
Figure 34. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with
fIN1 = 70.5 MHz and fIN2 = 72.5 MHz, fSAMPLE = 125 MSPS
Data Sheet
110
100
SFDR
90
80
70
SNR
60
50
40
30
20
10
0
0 20 40 60 80 100 120 140 160 180 200 220 240 260
INPUT FREQUENCY (MHz)
Figure 35. SNR/SFDR vs. fIN; fSAMPLE = 125 MSPS
120
110
100
SFDR
90
80
70
SNR
60
50
40
30
20
10
0
–40
–20
0
20
40
60
80
TEMPERATURE (°C)
Figure 36. SNR/SFDR vs. Temperature; fIN = 9.7 MHz, fSAMPLE = 125 MSPS
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
OUTPUT CODE
Figure 37. INL; fIN = 9.7 MHz, fSAMPLE = 125 MSPS
Rev. B | Page 16 of 36