参数资料
型号: AD9776BSVZRL
厂商: Analog Devices Inc
文件页数: 42/56页
文件大小: 0K
描述: IC DAC 12BIT DUAL 1GSPS 100TQFP
产品培训模块: DAC Architectures
标准包装: 1,000
位数: 12
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
采样率(每秒): 1G
AD9776/AD9778/AD9779
Rev. A | Page 47 of 56
1. SET INTERPOLATION RATE
2. SET INTERPOLATION FILTER MODE
3. SET INPUT DATA FORMAT
4. SET DATACLK POLARITY TO MATCH INPUT TIMING
0
53
61
-09
9
Figure 102. SPI Port Software Window
The default settings for the evaluation board allow the user to
view the differential outputs through a transformer that
converts the DAC output signal to a single-ended signal. On the
evaluation board, these transformers are designated T1A, T2A,
T3A, and T4A. There are also four common-mode transformers
on the board that are designated T1B, T2B, T3B, and T4B. The
recommended operating setup places the transformer and
common-mode transformer in series. A pair of transformers
and common-mode transformers are installed on each DAC
output, so that the pairs can be set up in either order. As an
example, for the frequency range of dc to 30 MHz, it is
recommended that the transformer be placed right after the
DAC. Above DAC output frequencies of 30 MHz, it is
recommended that the common-mode transformer is placed
right after the DAC outputs, followed by the transformer.
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