参数资料
型号: AD9778BSVZ
厂商: Analog Devices Inc
文件页数: 13/56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
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: 托盘
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 20 of 56
SPAN 50MHz
SWEEP 162.2ms (601 pts)
VBW 300kHz
CENTER 143.88MHz
*RES BW 30kHz
RMS RESULTS
CARRIER POWER
–12.49dBm/
3.84000MHz
FREQ OFFSET
5.000MHz
10.00MHz
15.00MHz
REF BW
3.840MHz
dBc
–76.75
–80.94
–79.95
dBm
–89.23
–93.43
–92.44
LOWER
dBc
–77.42
–80.47
–78.96
dBm
–89.91
–92.96
–91.45
UPPER
REF –25.28dBm
*AVG
Log
10dB/
PAVG
10
W1 S2
*ATTEN 4dB
EXT REF
05361-031
Figure 34. AD9779 WCDMA Signal, 4× Interpolation,
fDATA =122.88 MSPS, fDAC/4 Modulation
SPAN 50MHz
SWEEP 162.2ms (601 pts)
VBW 300kHz
CENTER 151.38MHz
*RES BW 30kHz
1 –17.87dBm
2 –20.65dBm
3 –18.26dBm
4 –18.23dBm
TOTAL CARRIER POWER –12.61dBm/15.3600MHz
REF CARRIER POWER –17.87dBm/3.84000MHz
FREQ OFFSET
5.000MHz
10.00MHz
15.00MHz
INTEG BW
3.840MHz
dBc
–67.70
–70.00
–71.65
dBm
–85.57
–97.87
–99.52
LOWER
dBc
–67.70
–69.32
–71.00
dBm
–85.57
–87.19
–88.88
UPPER
REF –30.28dBm
*AVG
Log
10dB/
PAVG
10
W1 S2
*ATTEN 4dB
EXT REF
05361-032
Figure 35. AD9779 Multicarrier WCDMA Signal, 4× Interpolation,
fDAC =122.88 MSPS, fDAC/4 Modulation
1.5
0
CODE
INL
(14-BIT
LSB)
10k
1.0
0.5
0
–0.5
–1.0
–1.5
2k
4k
6k
8k
05361-033
Figure 36. AD9778 Typical INL
0.6
0
CODE
DNL
(1
4
-BIT
LS
B)
–0.2
–1.0
16k
14k
12k
10k
8k
6k
4k
2k
0.4
0.2
0
–0.4
–0.6
–0.8
05361-034
Figure 37. AD9778 Typical DNL
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