参数资料
型号: AD9779ABSVZRL
厂商: Analog Devices Inc
文件页数: 49/56页
文件大小: 0K
描述: DAC 16BIT 1.0GSPS 100-TQFP
产品培训模块: Data Converter Fundamentals
DAC Architectures
设计资源: Interfacing ADL5370 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0016)
Interfacing ADL5371 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0017)
Interfacing ADL5372 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0018)
Interfacing ADL5373 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0019)
Interfacing ADL5374 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0020)
Interfacing ADL5375 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0021)
标准包装: 1,000
位数: 16
数据接口: 串行
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
AD9776A/AD9778A/AD9779A
Rev. B | Page 53 of 56
EVALUATION BOARD OVERVIEW
EVALUATION BOARD OPERATION
The AD9776A/AD9778A/AD9779A evaluation board is provided
to help users quickly become familiar with the operation of the
device and to evaluate the device performance. To operate the
evaluation board, the user needs a PC, a 5 V power supply, a
clock source, and a digital data source. The user also needs a
spectrum analyzer or an oscilloscope to observe the DAC output.
The typical evaluation setup is shown in Figure 100. A sine or
square wave clock can be used to source the DAC sample clock.
The spectral purity of the clock directly affects the device per-
formance. A low noise, low jitter clock source is required.
All necessary connections to the evaluation board are shown in
more detail in Figure 101.
DIGITAL
PATTERN
GENERATOR
ADAPTER
CABLES
CLOCK
GENERATOR
AD9776A/
AD9778A/
AD9779A
EVALUATION
BOARD
CLKIN
SPI PORT
DATACLK OUT
CLOCK IN
SPECTRUM
ANALYZER
1.8V POWER SUPPLY
3.3V POWER SUPPLY
0
6452
-0
97
Figure 100. Typical Test Setup
SPI PORT
AD9779A
J1 CLOCK IN
P4 DIGITAL INPUT CONNECTOR
S7 DCLKOUT
DVDD18
DVDD33
CVDD18
AVDD33
J2
5V SUPPLY
ANALOG
DEVICES
AD9776A/
AD9778A/
AD9779A
S5 OUTPUT 1
S6 OUTPUT 2
ADL537x
LOCAL OSC
INPUT
MODULATOR
OUTPUT
+5V
GND
JP4
JP15
JP8
JP14
JP3
JP16
JP2
JP17
06
45
2-
09
5
Figure 101. AD9776A/AD9778A/AD9779A Evaluation Board Showing All Connections
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