参数资料
型号: AD9785-DPG2-EBZ
厂商: Analog Devices Inc
文件页数: 6/64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 14 of 64
07
09
8-
0
70
fOUT (MHz)
AC
L
R
(
d
B
c)
–90
–85
–80
–75
–70
–65
–60
–55
0
20
40
60
80 100 120 140 160 180 200 220 240 260
THIRD ADJ CHAN
FIRST ADJ CHAN
SECOND ADJ CHAN
Figure 11. AD9787 ACLR, 4× Interpolation, fDATA = 122.88 MSPS,
Amplitude = 3 dB
50
60
70
80
90
100
0
40
80
120
160
200
240
280
320
360
400
07
09
8-
0
71
fOUT (MHz)
IM
D
(
d
Bc)
100MSPS
150MSPS
200MSPS
Figure 12. AD9787 IMD vs. fOUT, 4× Interpolation
55
60
65
70
75
80
85
90
95
20
40
60
80
100
50
100
0
07
09
8-
0
72
fOUT (MHz)
S
F
DR
(
d
B)
160MSPS
250MSPS
200MSPS
Figure 13. AD9787 In-Band SFDR vs. fOUT, 2× Interpolation
–170
–166
–162
–158
–154
–150
–146
–142
20
40
60
80
100
0
07
09
8-
0
73
fOUT (MHz)
NS
D
(
d
Bm
/H
z)
Figure 14. AD9787 Noise Spectral Density vs. fOUT over Output Frequency of
Multitone Input, fDATA = 200 MSPS
–170
–166
–162
–158
–154
–150
–146
–142
20
40
60
80
100
0
07
09
8-
0
74
fOUT (MHz)
NS
D
(
d
B
m
/H
z)
Figure 15. AD9787 Noise Spectral Density vs. fOUT, Single-Tone Input,
fDATA = 200 MSPS
–90
0
260
fOUT (MHz)
ACL
R
(
d
Bc)
55
40
20
60
80 100 120 140 160 180 200 220 240
85
80
75
70
65
60
07
09
8-
0
76
0 dBFS PLL ON
0 dBFS PLL OFF
3 dBFS PLL OFF
6 dBFS PLL OFF
Figure 16. AD9788 ACLR for First Adjacent Band WCDMA, 4× Interpolation,
fDATA = 122.88 MSPS, NCO Translates Baseband Signal to IF
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