AD9257
目录
特点................................................. ............................................. 1
应用................................................. ...................................... 1
概述................................................ ......................... 1
功能框图............................................... ............... 1
产品亮点................................................ ........................... 1
目录............................................... ............................... 2
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............................................... ............. 8
热特性................................................ .............. 8
ESD注意事项................................................ .................................. 8
引脚配置和功能说明............................. 9
典型性能特征........................................... 11
AD9257-65 ............................................... ................................... 11
AD9257-40 ............................................... ................................... 14
等效电路................................................ ......................... 17
工作原理............................................... ....................... 18
模拟输入注意事项............................................... ..... 18
电压基准................................................ ....................... 19
数据表
时钟输入注意事项............................................... ....... 20
功耗和省电模式........................... 22
数字输出和时序.............................................. ....... 23
内置输出测试模式............................................ .............. 27
输出测试模式............................................... ...................... 27
串行端口接口( SPI ) ............................................ .................. 28
配置使用SPI .............................................. ....... 28
硬件接口................................................ ..................... 29
配置没有SPI .............................................. .. 29
SPI残疾人专用功能............................................... ............... 29
内存映射................................................ .................................. 30
读存储器映射寄存器表............................... 30
存储器映射寄存器表.............................................. ....... 31
存储器映射寄存器说明........................................ 34
应用信息................................................ .............. 36
设计指南................................................ ...................... 36
电源和接地建议................................... 36
裸露焊盘散热块建议............ 36
VCM ................................................. ............................................ 36
参考解耦................................................ ................ 36
SPI端口................................................ ........................................ 36
外形尺寸................................................ ....................... 37
订购指南................................................ .......................... 37
修订历史
10月11日 - 修订版0 :初始版
第0版|第40 2