AD5522
目录
特点................................................. ............................................. 1
应用................................................. ...................................... 1
功能框图............................................... ............... 1
修订历史................................................ ............................... 3
概述................................................ ......................... 4
规格................................................. .................................... 6
时序特性................................................ .............. 11
绝对最大额定值............................................... ........... 15
热阻................................................ .................... 15
ESD注意事项................................................ ................................ 15
引脚配置和功能说明......................... 16
典型性能特征........................................... 22
术语................................................. ................................... 28
工作原理............................................... ....................... 29
增力................................................ ........................... 29
比较................................................. ............................... 29
夹子................................................. ........................................ 29
电流范围选择............................................... ............. 30
高电流范围............................................... .................. 30
测量电流增益............................................... ............... 31
VMID电压................................................ ............................. 31
选择电源轨.............................................. ..... 32
测量输出（ MEASOUTx销） ...................................... 32
被测设备接地（ DUTGND ） ................................. 32
保护放大器................................................ ......................... 33
补偿电容器................................................ ......... 33
制力和感应开关............................................. 33
温度传感器................................................ ................... 33
DAC等级................................................ ...................................... 34
偏移DAC ................................................ .................................. 34
增益和失调寄存器.............................................. ............ 34
缓存的X2寄存器............................................... .................... 35
参考电压（ VREF ） ............................................. ............ 35
参考选择................................................ .................... 35
校准................................................. .................................. 36
系统级校准............................................... ............ 37
电路工作原理................................................ ........................... 38
力电压（ FV ）模式............................................ .............. 38
强制电流（ FI ）模式............................................ ............... 39
串行接口................................................ ................................ 40
SPI接口................................................ ................................ 40
LVDS接口................................................ ............................ 40
串行接口写入模式.............................................. ........ 40
复位功能................................................ ......................... 40
BUSY和加载功能.............................................. ....... 40
注册更新价格............................................... ................. 41
寄存器选择................................................ ....................... 41
写系统控制寄存器.............................................. ... 43
写PMU注册............................................... .................... 45
写DAC寄存器............................................... .................... 47
读寄存器................................................ ............................. 50
的系统控制寄存器的回读...................................... 51
回读的PMU注册.............................................. ......... 52
比较器状态寄存器回读................................ 53
报警状态寄存器回读.......................................... 53
回读的DAC寄存器.............................................. .......... 54
应用信息................................................ .............. 55
上电默认.............................................. ........................ 55
设置设备在上电....................................... 55
改变模式................................................ ........................ 56
所需的外部元件............................................... 56
电源去耦............................................... .......... 57
电源排序............................................... .......... 57
典型应用的AD5522 ........................................ 57
外形尺寸................................................ ....................... 59
订购指南................................................ .......................... 60
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