fDAC = 2.1 GSPS, I
參數(shù)資料
型號： AD9739A-FMC-EBZ
廠商： Analog Devices Inc
文件頁數(shù)： 10/64頁
文件大?。?/td> 0K
描述： BOARD EVAL W/FMC CONN FPGA DEV
設(shè)計資源： AD9739A-FMC-EBZ Gerber Files
AD9739A-FMC-EBZ Layout
標(biāo)準(zhǔn)包裝： 1
系列： TxDAC®
DAC 的數(shù)量： 1
位數(shù)： 14
采樣率（每秒）： 2.5G
數(shù)據(jù)接口： 串行，SPI?
DAC 型： 電流
工作溫度： -40°C ~ 85°C
已供物品： 板
已用 IC / 零件： AD9739A
AD9737A/AD9739A
Data Sheet
Rev. | Page 18 of 64
fDAC = 2.1 GSPS, IOUTFS = 20 mA, nominal supplies, TA = 25°C, unless otherwise noted.
09616-
132
10d
B/
DI
V
STOP 2.4GHz
SWEEP 7.174s (601pts)
START 20MHz
#RES BW 20kHz
VBW 20kHz
Figure 33. Single-Tone Spectrum at fOUT = 2.31 GHz, fDAC = 2.4 GSPS
09616-
133
10d
B/
DI
V
STOP 2.4GHz
SWEEP 7.174s (601pts)
START 20MHz
#RES BW 20kHz
VBW 20kHz
Figure 34. Single-Tone Spectrum at fOUT = 1.31 GHz, fDAC = 2.4 GSPS
09616-
134
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400
fOUT (MHz)
S
F
DR
(
d
Bc)
Figure 35. SFDR in Mix-mode vs. fOUT at 2.4 GSPS
09616-
135
30
40
50
60
70
90
80
100
1000
1300
1200
1100
1400 1500 1600 1700 1800 1900 2000
IM
D
(
d
Bc)
fOUT (MHz)
Figure 36. IMD in Mix-Mode vs. fOUT at 2.4 GSPS
09616-
136
SPAN 54.68MHz
SWEEP 1.509s
CENTER 2.108MHz
#RES BW 30kHz
UPPER
FILTER
ON
dBc
–69.84
–71.15
–71.75
–72.19
–72.70
dBc
–69.82
–69.93
–71.77
–72.26
–71.90
dBm
–89.36
–90.67
–91.28
–91.71
–92.22
LOWER
dBm
–88.34
–89.46
–91.29
–91.79
–91.42
INTEG BW
3.840MHz
OFFSET FREQ
5.000MHz
10.00MHz
15.00MHz
20.00MHz
25.00MHz
CARRIER POWER
–19.526dBm/3.84MHz
ACP-IBW
10d
B/
DI
V
–35
–45
–55
–65
–75
–85
–95
–105
–115
VBW 3kHz
–72.7dBc
–71.8dBc
–69.9dBc
–68.8dBc –19.5dBm
–72.3dBc
–71.9dBc
–69.8dBc
–71.1dBc –71.8dBc
–72.2dBc
Figure 37. Typical Single-Carrier WCDMA ACLR Performance at 2.1 GHz,
fDAC = 2457.6 MSPS (Second Nyquist Zone)
–90
–85
–80
–75
–70
–65
–60
–55
–50
1307.
6
3557.
6
1557.
6
1807.
6
2057.
6
2307.
6
2557.
6
2807.
6
3057.
6
3307.
6
SECOND NYQUIST ZONE
THIRD NYQUIST ZONE
FIRST ADJ CH
THIRD ADJ CH
AC
L
R
(d
B
c)
09616-
137
fOUT (MHz)
SECOND ADJ CH
Figure 38. Single-Carrier WCDMA ACLR vs. fOUT, fDAC = 2457.6 MSPS
C
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