AD7194
目录
特点................................................. ............................................. 1
应用................................................. ...................................... 1
概述................................................ ......................... 1
功能框图............................................... ............... 1
修订历史................................................ ............................... 2
规格................................................. .................................... 3
时序特性................................................ ................ 7
绝对最大额定值............................................... ............. 9
热阻................................................ ...................... 9
ESD注意事项................................................ .................................. 9
引脚配置和功能描述........................... 10
典型性能特征........................................... 12
RMS噪声和分辨率.............................................. .............. 15
SINC
4
斩残疾人................................................ ................... 15
SINC
3
斩残疾人................................................ ................... 16
快速建立................................................ ................................. 17
片内寄存器.............................................. ............................ 18
通信寄存器................................................ ......... 19
状态寄存器................................................ ............................. 20
模式寄存器................................................ ............................. 21
配置寄存器................................................ .............. 24
数据寄存器................................................ ............................... 27
ID寄存器................................................ ................................... 27
GPOCON注册................................................ ..................... 27
偏移寄存器................................................ ............................. 28
满量程注册.............................................. ........................ 28
ADC电路信息............................................... ............... 29
概述................................................. ..................................... 29
模拟量输入通道............................................... ................ 30
可编程增益阵列（ PGA ） ........................................... 30
参考................................................. .................................... 30
基准电压检测................................................ ......................... 31
双极性/单极性配置.............................................. 31
数据输出编码............................................... ................... 31
熔断电流................................................ ....................... 31
数字接口................................................ .......................... 32
复位................................................. ............................................ 36
系统同步................................................ ............ 36
启用奇偶................................................ ............................... 36
时钟................................................. ........................................... 36
温度传感器................................................ ................... 36
逻辑................................................输出............................. 37
校准................................................. .................................. 37
数字滤波器................................................ .................................... 39
SINC
4
过滤器（斩波禁用） ............................................. ........ 39
SINC
3
过滤器（斩波禁用） ............................................. ........ 41
斩波使能（ SINC
4
过滤器） ................................................ ...... 43
斩波使能（ SINC
3
过滤器） ................................................ ...... 45
快速模式下（ SINC
4
过滤器） ............................................... 46
快速模式下（ SINC
3
过滤器） ............................................... 48
快速模式下（印章启用） ......................................... 50
过滤选项摘要.............................................. ......... 51
接地和布局............................................... ................... 52
应用信息................................................ .............. 53
流量计................................................. ................................... 53
外形尺寸................................................ ....................... 54
订购指南................................................ .......................... 54
修订历史
10月9日 - 修订版0 ：初始版
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