参数资料
型号: AD9778BSVZRL
厂商: Analog Devices Inc
文件页数: 11/56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 19 of 56
–150
–170
0
100
fOUT (MHz)
NS
D
(dBm/Hz)
–154
–158
–162
–166
20
40
60
80
fDAC = 800MSPS
fDAC = 400MSPS
fDAC = 200MSPS
05361-027
Figure 30. AD9779 Noise Spectral Density vs. fDAC,
Single-Tone Input at 6 dBFS
–55
–90
0
260
fOUT (MHz)
ACLR
(dBc
)
–60
–65
–70
–75
–80
–85
20
40
60
80 100 120 140 160 180 200 220 240
–6dBFS
–3dBFS
0dBFS – PLL ON
0dBFS
05361-028
Figure 31. AD9779 ACLR for First Adjacent Band WCDMA, 4× Interpolation,
fDATA = 122.88 MSPS, On-Chip Modulation Translates Baseband Signal to IF
–55
–90
0
260
fOUT (MHz)
ACLR
(dBc
)
–60
–65
–70
–75
–80
–85
20
40
60
80 100 120 140 160 180 200 220 240
–6dBFS
–3dBFS
0dBFS – PLL ON
0dBFS
05361-029
Figure 32. AD9779 ACLR for Second Adjacent Band WCDMA, 4×
Interpolation, fDATA = 122.88 MSPS. On-Chip Modulation Translates
Baseband Signal to IF
–55
–90
0
260
fOUT (MHz)
ACLR
(dBc
)
–60
–65
–70
–75
–80
–85
20
40
60
80 100 120 140 160 180 200 220 240
–6dBFS
–3dBFS
0dBFS – PLL ON
0dBFS
05361-030
Figure 33. AD9779 ACLR for Third Adjacent Band WCDMA, 4× Interpolation,
fDATA = 122.88 MSPS, On-Chip Modulation Translates Baseband Signal to IF
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