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AD9744ARRL View Datasheet(PDF) - Analog Devices

Part NameDescriptionManufacturer
AD9744ARRL 14-Bit, 210 MSPS TxDAC D/A converter ADI
Analog Devices ADI
AD9744ARRL Datasheet PDF : 32 Pages
First Prev 11 12 13 14 15 16 17 18 19 20 Next Last
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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