LTC2949
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目录
特点 .............................................................................................................................................................. 1
应用 .............................................................................................................................................................. 1
典型应用 ...................................................................................................................................................... 1
说明 .............................................................................................................................................................. 1
绝对最大额定值 ........................................................................................................................................... 3
订购信息 ...................................................................................................................................................... 3
引脚配置 ...................................................................................................................................................... 3
电气特性 ...................................................................................................................................................... 4
典型性能参数 ............................................................................................................................................. 10
引脚功能 .................................................................................................................................................... 12
引脚功能 .................................................................................................................................................... 13
框图 ............................................................................................................................................................ 14
操作 ............................................................................................................................................................ 15
概述 ............................................................................................................................................................................. 15
工作模式 .................................................................................................................................................................... 16
数据采集通道 ........................................................................................................................................................... 17
功率测量 .................................................................................................................................................................... 20
电荷、电能和时间 .................................................................................................................................................. 21
过流比较器................................................................................................................................................................ 22
串行接口 .................................................................................................................................................... 23
串行接口概述 ........................................................................................................................................................... 23
4 线式串行外设接口 (SPI) 物理层 .................................................................................................................... 23
2 线式隔离接口 (isoSPI) 物理层 ........................................................................................................................ 24
数据链接层................................................................................................................................................................ 29
网络层 ........................................................................................................................................................................ 29
寄存器映射 ................................................................................................................................................. 42
寄存器说明 ................................................................................................................................................. 43
存储器映射和分页机制 .......................................................................................................................................... 43
寄存器映射 PAGE0 ................................................................................................................................................. 45
寄存器映射 PAGE1 ................................................................................................................................................. 63
温度测量 .................................................................................................................................................................... 69
应用信息 .................................................................................................................................................... 69
检测电阻温度补偿 .................................................................................................................................................. 70
电流和电压输入滤波 .............................................................................................................................................. 75
为 LTC2949 供电 .................................................................................................................................................... 76
封装说明 .................................................................................................................................................... 79
典型应用 .................................................................................................................................................... 80
相关器件 .................................................................................................................................................... 80