AD7715
目录
特点................................................. ............................................. 1
功能框图............................................... ............... 1
概述................................................ ......................... 1
产品亮点................................................ ........................... 1
修订历史................................................ ............................... 2
规格................................................. .................................... 3
AD7715-5 ............................................... ....................................... 3
AD7715-3 ............................................... ....................................... 5
时序特性................................................ ................ 8
绝对最大额定值............................................... ............. 9
ESD注意事项................................................ .................................. 9
引脚配置和功能说明.......................... 10
术语................................................. ................................... 11
片内寄存器.............................................. ............................ 12
通信寄存器（ RS1 ， RS0 = 0 ， 0 ） .......................... 13
设置寄存器（ RS1 ， RS0 = 0 ，1）;上电/复位状态：
28六角................................................ .......................................... 14
测试寄存器（ RS1 ， RS0 = 1,0） ....................................... ........... 15
数据寄存器（ RS1 ， RS0 = 1,1） ....................................... ......... 15
输出噪声................................................ ................................... 16
AD7715-5 ............................................... ..................................... 16
AD7715-3 ............................................... ..................................... 17
校准程序................................................ .................... 18
电路说明................................................ ......................... 19
模拟输入................................................ ............................... 19
参考输入................................................ ........................... 21
数字滤波................................................ ........................... 21
模拟滤波................................................ .......................... 23
校准................................................. .................................. 23
利用AD7715 ............................................... ........................... 26
时钟和振荡器电路.............................................. 26
系统同步................................................ ............ 26
复位输入................................................ .................................. 27
待机模式................................................ ............................. 27
精度................................................. ..................................... 27
漂流注意事项................................................ .................. 27
电源................................................ ............................ 28
数字接口................................................ .......................... 29
配置AD7715 ............................................... ................ 31
微控制器/微处理器接口............................. 32
AD7715以68HC11接口.............................................. ..... 32
AD7715以8XC51接口.............................................. ........ 33
AD7715以ADSP - 2103 / ADSP- 2105接口....................... 33
代码用于设置AD7715 ............................................ ... 34
C代码的接口AD7715以68HC11 ........................... 34
应用信息................................................ .............. 36
压力测量................................................ ............... 36
温度测量................................................ ....... 37
智能变送器................................................ ..................... 38
外形尺寸................................................ ....................... 39
订购指南................................................ .......................... 40
修订历史
12/09 -REV 。 C到Rev. D的
更新格式................................................ ..................通用
更改表5 .............................................. .............................. 9
更新的外形尺寸............................................... ........ 39
2 / 00 -REV 。 B到C版
修订版D |页40 2
QQ：2880707522 复制
