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AD9742ARURL7 데이터시트(PDF) 10 Page - Analog Devices

부품명 AD9742ARURL7
상세설명  12-Bit, 210 MSPS TxDAC Digital-to-Analog Converter
PDF  32 Pages
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

AD9742ARURL7 데이터시트(HTML) 10 Page - Analog Devices

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AD9742
Data Sheet
Rev. C | Page 10 of 32
50
55
60
65
70
75
80
85
90
0
20
–40
–20
40
60
80
TEMPERATURE (°C)
4MHz
19MHz
34MHz
49MHz
Figure 17. SFDR vs. Temperature @ 165 MSPS, 0 dBFS
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
1
6
11
16
21
26
31
36
FREQUENCY (MHz)
fCLOCK = 78MSPS
fOUT = 15.0MHz
SFDR = 79dBc
AMPLITUDE = 0dBFS
Figure 18. Single-Tone SFDR
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
1
6
11
16
21
26
31
36
FREQUENCY (MHz)
fCLOCK = 78MSPS
fOUT1 = 15.0MHz
fOUT2 = 15.4MHz
SFDR = 77dBc
AMPLITUDE = 0dBFS
Figure 19. Dual-Tone SFDR
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
1
6
11
16
21
26
31
36
FREQUENCY (MHz)
fCLOCK = 78MSPS
fOUT1 = 15.0MHz
fOUT2 = 15.4MHz
fOUT3 = 15.8MHz
fOUT4 = 16.2MHz
SFDR = 75dBc
AMPLITUDE = 0dBFS
Figure 20. Four-Tone SFDR
DIGITAL DATA INPUTS (DB11–DB0)
150pF
1.2V REF
AVDD
ACOM
REFLO
PMOS
CURRENT SOURCE
ARRAY
3.3V
SEGMENTED SWITCHES
FOR DB11–DB3
LSB
SWITCHES
REFIO
FS ADJ
DVDD
DCOM
CLOCK
3.3V
RSET
2k
Ω
0.1
µF
IOUTA
IOUTB
AD9742
SLEEP
LATCHES
IREF
VREFIO
CLOCK
IOUTB
IOUTA
RLOAD
50
Ω
VOUTB
VOUTA
RLOAD
50
Ω
VDIFF = VOUTA – VOUTB
MODE
Figure 21. Simplified Block Diagram (SOIC/TSSOP Packages)



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