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    Low-power Single Metering AFE
    5V power supply, voltage input range 3.0V~5.5V Reference voltage: 1.188V (typical temperature coefficient 10m/℃) Low-power Design: Typical power consumption in full operation: 1.9mA 3 independent oversampling ∑-? ADCs: one voltage, one current and one multifunctional measurement Support UART interface, baud rate 4800bps. Crystal input frequency 6.5536Mhz or 3.2768MHz
    Features

    Highly Metering Accuracy
    -Less than 0.1% error in total/fundamental active energy metering over a dynamic range of 5000:1. 
    -Less than 0.1% error in total/fundamental reactive energy metering over a dynamic range of 3000:1. 
    -Fulfill the requirement of GB/T 17215.321-2008, GB/T 17215.322-2008, and GB/T 17215.323-2008. 

    Various Measurements 
    -DC components of voltage and current signals 
    -Raw/ instantaneous/ average value for total/ fundamental voltage/ current RMS 

    -Raw/instantaneous/ average value for total/ fundamental active/reactive power 

    -Active/ reactive energy, active/reactive channels are selectable 

    -Line frequency and temperature 


    Support software calibration 
    Support current detection 
    Embedded reference voltage detection and external connects capacitance leakage detection, it will interrupt when electrical leakage happened. 
    Support accelerating calibration when weak signal is applied.
    Support CF pulse output 
    Current input: CT or Shunt Resistor 

    Application
    Electric energy meter, Smart home, Metering sensor, Monitoring instrument,etc.
    Device family

    Operating Temperature: -40℃~+85℃
    Storage Temperature: -55℃~+150℃
    Package: SOP16

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