AD9251
目录
特点................................................. ............................................. 1
应用................................................. ...................................... 1
功能框图............................................... ............... 1
产品亮点................................................ ........................... 1
修订历史................................................ ............................... 2
概述................................................ ......................... 3
规格................................................. .................................... 4
直流规范................................................ ......................... 4
交流规范................................................ .......................... 5
数规格................................................ ................... 6
开关规格................................................ .............. 7
时序规格................................................ .................. 8
绝对最大额定值............................................... ............. 9
热特性................................................ .............. 9
ESD注意事项................................................ .................................. 9
引脚配置和功能描述........................... 10
典型性能特征........................................... 12
AD9251-80 ............................................... ................................... 12
AD9251-65 ............................................... ................................... 14
AD9251-40 ............................................... ................................... 15
AD9251-20 ............................................... ................................... 16
等效电路................................................ ......................... 17
工作原理............................................... ....................... 19
ADC体系结构................................................ ...................... 19
模拟输入注意事项............................................... ..... 19
电压基准................................................ ....................... 22
时钟输入注意事项............................................... ....... 23
功耗和待机模式.................................... 25
数字输出................................................ ........................... 26
定时................................................. ........................................ 26
内建自测试（ BIST ）和输出测试.................................. 27
内建自测试（ BIST ） ......................................... ................... 27
输出测试模式............................................... ...................... 27
通道/芯片同步.............................................. ...... 28
串行端口接口（ SPI ） ............................................ .................. 29
配置使用SPI .............................................. ....... 29
硬件接口................................................ ..................... 30
配置没有SPI .............................................. 30 ..
SPI残疾人专用功能............................................... ............... 30
内存映射................................................ .................................. 31
读存储器映射寄存器表............................... 31
打开位置................................................ .......................... 31
默认值................................................ ............................. 31
存储器映射寄存器表.............................................. ....... 32
存储器映射寄存器说明........................................ 34
应用信息................................................ .............. 35
设计指南................................................ ...................... 35
外形尺寸................................................ ....................... 36
订购指南................................................ .......................... 36
修订历史
7月9日 - 修订版0 ：初始版
第0版|第36 2
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