AD9744ARUZ View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD9744ARUZ Datasheet PDF : 32 Pages
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95
90
4MHz
85
80
75
19MHz
70
65
34MHz
60
55
49MHz
50
45
–40
–20
0
20
40
60
80
TEMPERATURE (°C)
Figure 18. SFDR vs. Temperature @ 165 MSPS, 0 dBFS
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
1
fCLOCK = 78MSPS
fOUT = 15.0MHz
SFDR = 79dBc
AMPLITUDE = 0dBFS
6
11
16
21
26
31
36
FREQUENCY (MHz)
Figure 19. Single-Tone SFDR
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
1
fCLOCK = 78MSPS
fOUT1 = 15.0MHz
fOUT2 = 15.4MHz
SFDR = 77dBc
AMPLITUDE = 0dBFS
6
11
16
21
26
31
36
FREQUENCY (MHz)
Figure 20. Dual-Tone SFDR
AD9744
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
1
fCLOCK = 78MSPS
fOUT1 = 15.0MHz
fOUT2 = 15.4MHz
fOUT3 = 15.8MHz
fOUT4 = 16.2MHz
SFDR = 75dBc
AMPLITUDE = 0dBFS
6
11
16
21
26
31
36
FREQUENCY (MHz)
Figure 21. Four-Tone SFDR
–20
–39.01dBm
–30
29.38000000MHz
CHPWR –19.26dBm
ACP UP –64.98dB
–40
ACP LOW +0.55dB
ALT1 UP –66.26dB
–50
ALT1 LOW –64.23dB
–60
–70
–80
–90
–100
–110
C12 C12
C11
–120
CENTER 33.22 MHz
C0
C11
C0
CU1
3 MHz
CU1
CU2 CU2
SPAN 30 MHz
FREQUENCY (MHz)
Figure 22. Two-Carrier UMTS Spectrum,
fCLOCK = 122.88 MSPS (ACLR = 64 dB) LFCSP Package
–20
RES BW = 30kHz
–30
VBW = 300kHz
ATTEN = 8dB
–40
AVG = 50
–50
–60
–70
–80
–90
–100
–110
–120
CENTER 10MHz
FREQ OFFSET REF BW
5.000MHz
3.840MHz
LOWER
dBc
dBm
–74.62 –84.12
SPAN 18MHz
UPPER
dBc
dBm
–75.04 –84.54
Figure 23. Single-Carrier UMTS Spectrum,
fCLOCK = 61.44 MSPS (ACLR = 74 dB) LFCSP Package
Rev. B | Page 11 of 32
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