参数资料
型号: 78M6610+PSU/C00
厂商: Maxim Integrated
文件页数: 10/63页
文件大小: 0K
描述: IC ENERGY MEASURMENT 1PH 16TSSOP
标准包装: 96
输入阻抗: 30 千欧 ~ 90 千欧
电压 - 高输入/输出: 2V
电压 - 低输入/输出: 0.8V
电流 - 电源: 8.1mA
电源电压: 3 V ~ 3.6 V
测量仪表类型: 单相
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 管件
78M6610+PSU Data Sheet
2.2
Current and Voltage RMS Calculations
N
N
The 78M6610+PSU provides true RMS measurements for both current and voltage inputs. The RMS is
obtained by performing the square sum of the instantaneous samples of voltage and current over a time
interval (commonly referred as accumulation time) and then performing a square root of the result after
dividing by the number of samples in the time interval.
n=0 n=0 2 2
???????? = ? ∑ N?1 Vn 2 ???????? = ? ∑ N?1 In 2
i
X
N-1
N
X
Irms
n=0
IrOff
V
X
N-1
N
X
Vrms
n=0
VrOff
Figure 6: RMS Calculations
10
Rev 1
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相关代理商/技术参数
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