AD9042CHIPS View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD9042CHIPS Datasheet PDF : 24 Pages
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0
ENCODE = 41 MSPS
–20 AIN = 15.3, 19.5MHz
–40
–60
–80
–100
–120
dc
4.1
8.2
12.3
16.4
20.5
FREQUENCY – MHz
Figure 14. Two Tones at 15.3 MHz & 19.5 MHz
100
90
dBFS
80
70
60
ENCODE = 41 MSPS
AIN = 19.5MHz
50
40
dBc
30
SFDR = 80dB
REFERENCE LINE
20
10
0
–80 –70 –60 –50 –40 –30 –20 –10
0
ANALOG INPUT POWER LEVEL – dBFS
Figure 15. AD9042AD Single Tone SFDR
100
90
80
70
ENCODE = 41 MSPS
60 F1 = 19.3MHz
50 F2 = 19.51MHz
40
30
SFDR = 80dB
REFERENCE LINE
20
10
0
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT POWER LEVEL (F1 = F2) – dBFS
Figure 16. AD9042AD Two Tone SFDR
AD9042
85
AIN = 4.3MHz
WORST SPUR
80
75
70
SNR
65
60
dc 5 10 15 20 25 30 35 40 45 50
SAMPLE RATE – MSPS
Figure 17. SNR, Worst Harmonic vs. Encode
90
85
ENCODE = 41 MSPS
AIN = 19.5MHz
80
WORST SPUR
75
70
SNR
65
60
55
50
45
40
35
30
25 30 35 40 45 50 55 60 65 70 75
ENCODE DUTY CYCLE – %
Figure 18. SNR, Worst Spurious vs. Duty Cycle
0
ENCODE = 41 MSPS
AIN = BROADBAND_NOISE
–20
–40
–60
4
–80
–100
–120
dc
4.1
8.2
12.3
16.4
20.5
FREQUENCY – MHz
Figure 19. NPR Output Spectrum
REV. A
–9–
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