参数资料
型号: AD9888KSZ-170
厂商: Analog Devices Inc
文件页数: 29/36页
文件大小: 0K
描述: IC ANALOG INTRFC 170MSPS 128MQFP
标准包装: 1
应用: 图形卡,VGA 接口
接口: 2 线串口
电源电压: 3 V ~ 3.6 V
封装/外壳: 128-BFQFP
供应商设备封装: 128-MQFP(14x20)
包装: 托盘
安装类型: 表面贴装
Data Sheet
AD9888
Rev. C | Page 35 of 36
If possible, limit the capacitance that each of the digital outputs
drives to less than 10 pF. This can easily be accomplished by
keeping traces short and connecting the outputs to only one
device. Loading the outputs with excessive capacitance increases
the current transients inside of the AD9888, creating more
digital noise on its power supplies.
DIGITAL INPUTS
The digital inputs on the AD9888 were designed to work with
3.3 V signals, but are tolerant of 5.0 V signals. Therefore, no
extra components are needed when using 5.0 V logic.
Any noise in the HSYNC input trace produces jitter in the
system. Therefore, minimize the trace length, and do not run
any digital or other high frequency trace near it.
VOLTAGE REFERENCE
The voltage reference should be bypassed with a 0.1 μF
capacitor. Place it as close as possible to the REF BYPASS pin.
Make the ground connection as short as possible.
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