参数资料
型号: AD9778BSVZRL
厂商: Analog Devices Inc
文件页数: 8/56页
文件大小: 0K
描述: IC DAC 14BIT DUAL 1GSPS 100TQFP
产品培训模块: DAC Architectures
标准包装: 1,000
位数: 14
数据接口: 并联
转换器数目: 2
电压电源: 模拟和数字
功率耗散(最大): 300mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 100-TQFP 裸露焊盘
供应商设备封装: 100-TQFP-EP(14x14)
包装: 带卷 (TR)
输出数目和类型: 4 电流,单极;4 电流,双极
采样率(每秒): 1G
AD9776/AD9778/AD9779
Rev. A | Page 16 of 56
100
50
0
100
fOUT (MHz)
S
F
DR
(dBc
)
90
80
70
60
20
40
60
80
fDATA = 200MSPS
fDATA = 160MSPS
fDATA = 250MSPS
05361-011
Figure 12. AD9779 Out-of-Band SFDR vs. fOUT, 2× Interpolation
100
50
0
100
fOUT (MHz)
S
F
DR
(dBc
)
90
80
70
60
20
40
60
80
fDATA = 150MSPS
fDATA = 100MSPS
fDATA = 200MSPS
05361-012
Figure 13. AD9779 Out-of-Band SFDR vs. fOUT, 4× Interpolation
100
50
0
50
fOUT (MHz)
S
F
DR
(dBc
)
90
80
70
60
10
20
30
40
fDATA = 50MSPS
fDATA = 100MSPS
fDATA = 125MSPS
05361-013
Figure 14. AD9779 Out-of-Band SFDR vs. fOUT, 8× Interpolation
100
50
04
fOUT (MHz)
S
F
DR
(dBc
)
0
90
80
70
60
10
20
30
PLL OFF
PLL ON
05361-014
Figure 15. AD9779 In-Band SFDR, 4× Interpolation,
fDATA = 100 MSPS, PLL On/Off
100
50
08
fOUT (MHz)
S
F
DR
(dBc
)
0
90
80
70
60
20
40
60
–3dBFS
0dBFS
–6dBFS
05361-015
Figure 16. AD9779 In-Band SFDR vs. Digital Full-Scale Input
100
50
08
fOUT (MHz)
S
F
DR
(dBc
)
0
90
80
70
60
20
40
60
10mA
20mA
30mA
05361-016
Figure 17. AD9779 In-Band SFDR vs. Output Full-Scale Current
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