AD9254
目录
特点................................................. ............................................. 1
应用................................................. ...................................... 1
概述................................................ ......................... 1
功能框图............................................... ............... 1
产品亮点................................................ ........................... 1
修订历史................................................ ............................... 2
规格................................................. .................................... 3
直流规范................................................ ......................... 3
交流规范................................................ .......................... 4
数规格................................................ ................... 5
开关规格................................................ .............. 6
时序图................................................ ........................... 6
绝对最大额定值............................................... ............. 7
热阻................................................ ...................... 7
ESD注意事项................................................ .................................. 7
引脚配置和功能说明............................. 8
等效电路................................................ ........................... 9
典型性能特征........................................... 10
工作原理............................................... ....................... 14
模拟输入注意事项............................................... ..... 14
差分输入配置............................................ 15
电压基准................................................ ....................... 16
时钟输入注意事项............................................... ....... 17
抖动注意事项................................................ .................. 19
功耗和待机模式..................................... 19
数字输出................................................ ........................... 20
定时................................................. ........................................ 20
串行端口接口（ SPI ） ............................................ .................. 21
配置使用SPI .............................................. ....... 21
硬件接口................................................ ..................... 21
配置没有SPI .............................................. .. 21
内存映射................................................ .................................. 22
读存储器映射寄存器表............................... 22
存储器映射寄存器表.............................................. ....... 23
布局的注意事项................................................ ................... 25
电源和接地建议................................... 25
CML ................................................. ............................................ 25
RBIAS ................................................. .......................................... 25
参考解耦................................................ ................ 25
评估板................................................ ............................ 26
电源................................................ ............................ 26
输入信号................................................ ................................ 26
输出信号................................................ ............................ 26
默认操作与跳线选择设置................. 27
另类时钟配置............................................ 27
替代模拟输入驱动器配置...................... 27
原理图................................................. .................................. 29
评估板布局............................................... ............ 34
物料清单............................................... ............................ 37
外形尺寸................................................ ....................... 40
订购指南................................................ .......................... 40
修订历史
10月6日 - 修订版0 ：初始版
第0版|第40 2
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