AD9253
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
时序规格................................................ .................. 6
绝对最大额定值............................................... ........... 11
热阻................................................ .................... 11
ESD注意事项................................................ ................................ 11
引脚配置和功能描述........................... 12
典型性能特征........................................... 14
AD9253-80 ............................................... ................................... 14
AD9253-105 ............................................... ................................. 16
AD9253-125 ............................................... ................................. 18
等效电路................................................ ......................... 21
工作原理............................................... ....................... 22
模拟输入注意事项............................................... ..... 22
电压基准................................................ ....................... 23
数据表
时钟输入注意事项............................................... ....... 24
功耗和省电模式........................... 26
数字输出和时序.............................................. ....... 27
输出测试模式............................................... ...................... 30
串行端口接口（ SPI ） ............................................ .................. 31
配置使用SPI .............................................. ....... 31
硬件接口................................................ ..................... 32
配置没有SPI .............................................. .. 32
SPI残疾人专用功能............................................... ............... 32
内存映射................................................ .................................. 33
读存储器映射寄存器表............................... 33
存储器映射寄存器表.............................................. ....... 34
存储器映射寄存器说明........................................ 37
应用信息................................................ .............. 39
设计指南................................................ ...................... 39
电源和接地建议................................... 39
裸露焊盘散热块建议............ 39
VCM ................................................. ............................................ 39
参考解耦................................................ ................ 39
SPI端口................................................ ........................................ 39
串扰性能................................................ .............. 39
外形尺寸................................................ ....................... 40
订购指南................................................ .......................... 40
修订历史
10月11日 - 修订版0 ：初始版
第0版|第40 2
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