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78M6610LMU 参数 Datasheet PDF下载

78M6610LMU图片预览
型号: 78M6610LMU
PDF下载: 下载PDF文件 查看货源
内容描述: 电能计量处理器的负荷监测单位 [Energy Measurement Processor for Load Monitoring Units]
分类和应用: 监控
文件页数/大小: 63 页 / 1710 K
品牌: MAXIM [ MAXIM INTEGRATED PRODUCTS ]
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78M6610+LMU Data Sheet  
Functional Description and Operation  
This section describes the operation and configuration of the 78M6610+LMU. It includes the flow of  
measurement data, relevant calculations, alarm monitoring, I/O control, and user configurations.  
Measurement Interface  
The 78M6610+LMU incorporates a flexible measurement interface for simplified integration into any  
single-phase system. This section describes the configuration and signal conditioning of the analog  
inputs.  
Settings and calibration parameters described in this section can be saved to flash memory and  
automatically initialized upon power on or reset.  
AFE Input Multiplexer  
The 78M6610+LMU samples four (4) external sensors with an effective sample rate of 4Ksps for each  
multiplexer slot. Two analog input pins are defined as single ended voltage inputs with the other four  
analog input pins defined as a pair of differential current inputs.  
Mux Control  
Results  
ADC  
PRECISION  
REFERENCE  
A0  
S0  
SINC3  
DECIMATOR  
S0  
S2  
S1  
A1  
S1  
S2  
S3  
P
N
∆Σ  
Signal  
Processor  
A2  
A3  
MODULATOR  
P
N
CROSS-  
POINT  
A4  
A5  
S3  
F
ADC  
Figure 8. AFE Input Multiplexer  
Sensor Slot  
Analog Input Pins  
Input Type  
Voltage  
Current  
S0  
S1  
S2  
S3  
A0  
A2 (pos) and A3 (neg)  
A1  
Voltage  
Current  
A4 (pos) and A5 (neg)  
16  
Rev 0