AD9246
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................................................ ............................... 3
规格................................................. .................................... 4
直流规范................................................ ......................... 4
交流规范................................................ .......................... 5
数规格................................................ ................... 6
开关规格................................................ .............. 7
时序图................................................ ........................... 7
绝对最大额定值............................................... ............. 8
热阻................................................ ...................... 8
ESD注意事项................................................ .................................. 8
引脚配置和功能说明............................. 9
等效电路................................................ ......................... 10
典型性能特征........................................... 11
工作原理............................................... ....................... 15
模拟输入注意事项............................................... ..... 15
电压基准................................................ ....................... 17
时钟输入注意事项............................................... ....... 18
抖动注意事项................................................ .................. 20
功耗和待机模式..................................... 20
数字输出................................................ ........................... 21
定时................................................. ........................................ 22
串行端口接口（ SPI ） ............................................ .................. 23
配置使用SPI .............................................. ....... 23
硬件接口................................................ ..................... 23
配置没有SPI .............................................. .. 23
内存映射................................................ .................................. 24
读存储器映射寄存器表............................... 24
存储器映射寄存器表.............................................. ....... 25
布局的注意事项................................................ ................... 27
电源和接地建议................................... 27
CML ................................................. ............................................ 27
RBIAS ................................................. .......................................... 27
参考解耦................................................ ................ 27
评估板................................................ ............................ 28
电源................................................ ............................ 28
输入信号................................................ ................................ 28
输出信号................................................ ............................ 28
默认操作与跳线选择设置................. 29
另类时钟配置............................................ 29
替代模拟输入驱动器配置...................... 29
原理图................................................. .................................. 31
评估板布局............................................... .......... 36
物料清单............................................... ............................ 39
外形尺寸................................................ ....................... 42
订购指南................................................ .......................... 42
版本A |页44 2
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