1. Operating Voltage and Temperature
Power Supply: 3.3V supply with input voltage range of 3.0V ~ 3.6V
Reference Voltage: 1.21V (typical temperature coefficient 10ppm/°C)
Operating Temperature: -40°C ~ +105°C
Storage Temperature: -55°C ~ +150°C
2. Power Consumption
6 mA (system clock 13.1072 MHz)
3. Metering Features
3 independent oversampling ∑/∆ ADCs: 1 channel for voltage; 1 channel for channel A current; and an additional multifunctional channel for channel B current measurement
High metering accuracy: Compliant with IEC 62053-21:2020 / IEC 62053-22:2020 and IEC 62053-23:2020
Within 20000:1 dynamic range full-wave/fundamental active energy metering error < 0.1%
Within 5000:1 dynamic range full-wave/fundamental reactive energy metering error < 0.2%
Provides various measurement data:
DC component of voltage/current signal
RMS average value of voltage/current
Average active/reactive power
6 energy integration units supporting multiple metering modes including forward and reverse suitable for rapidly changing power flow conditions
Frequency and phase angle
DC signal measurement support
Software calibration support
Small-signal accelerated calibration support
Waveform DMA transmission support
Terminal temperature measurement support for both thermistor and transistor sensors
Current input: Supports manganese-copper shunt and CT
CTI pin input clock frequency: 13.1072 MHz
UART interface support
4. Package
SSOP24