参数资料
型号: AD9785-DPG2-EBZ
厂商: Analog Devices Inc
文件页数: 9/64页
文件大小: 0K
描述: BOARD EVALUATION FOR AD9785
标准包装: 1
系列: TxDAC®
DAC 的数量: 2
位数: 12
采样率(每秒): 800M
数据接口: 串行
设置时间: 22ms
DAC 型: 电流
工作温度: -40°C ~ 85°C
已供物品: 板,缆线,CD
已用 IC / 零件: AD9785
AD9785/AD9787/AD9788
Rev. A | Page 17 of 64
07
09
8-
08
9
fOUT (MHz)
N
S
D
(
d
Bm
/Hz
)
–170
–166
–162
–158
–154
–150
–146
–142
0
1020
3040
50
Figure 29. AD9788 Noise Spectral Density vs. fOUT, Single-Tone Input,
fDATA = 100 MSPS
07
09
8-
0
90
fOUT (MHz)
NS
D
(
d
Bm
/Hz
)
–170
–166
–162
–158
–154
–150
–146
–142
020
40
60
80
100
Figure 30. AD9788 Noise Spectral Density vs. fDAC, Eight-Tone Input
with 500 kHz Spacing, fDATA = 200 MSPS
07
09
8-
0
91
fOUT (MHz)
NS
D
(
d
B
m
/Hz
)
–170
–166
–162
–158
–154
–150
–146
–142
0
2040
6080
100
Figure 31. AD9788 Noise Spectral Density vs. fDAC, Full-Scale Single-Tone
Input at 6 dB, fDATA = 200 MSPS
55
60
65
70
75
80
85
250MSPS
07
09
8-
0
92
fOUT (MHz)
S
F
DR
(
d
B)
50
90
020
4060
80
100
160MSPS
200MSPS
Figure 32. AD9788 In-Band SFDR vs. fOUT, 1× Interpolation
50
55
60
65
70
75
80
0
102030
4050
607080
90
100
07
09
8-
0
93
fOUT (MHz)
S
F
DR
(
d
B)
250MSPS
200MSPS
160MSPS
Figure 33. AD9788 Out-of-Band SFDR vs. fOUT, 2× Interpolation
20mA
50
55
60
65
70
75
80
85
90
95
30mA
0
1020
304050
607080
07
09
8-
09
4
fOUT (MHz)
S
F
DR
(
d
B
)
10mA
Figure 34. AD9788 In-Band SFDR vs. Full-Scale Output Current,
2× Interpolation, fDATA = 200 MSPS
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