1、Operating voltage and temperature:
· Power Supply: 3.3V power supply voltage input range 2.8 - 3.6V.
· Reference Voltage: 1.20V (typical temperature coefficient 10 ppm/°C).
· Operating Temperature: -40 ~ +105°C.
· Storage Temperature: -55 ~ +150°C.
2、Power Consumption:
· Typical power consumption of the chip is about 8.5 mA in normal operation (system clock is 26MHz).
· Low power consumption of the chip is about 5 mA (system clock is 13MHz).
3、Measurement Features:
· 6 independent oversampling ∑/∆ ADCs: 3 voltage channels and 3 current channels.
· Supports arbitrary mapping of voltage/ current channels adjustable through configuration registers.
· Measurement accuracy
- Meets the requirements of IEC 62053-21:2020/ IEC 62053-22:2020 and IEC 62053- 23:2020.
- Within a 10000:1 dynamic range the error of full-wave / fundamental active energy measurement is less than 0.1%.
- Within a 10000:1 dynamic range the error of full-wave/ fundamental reactive energy measurement is less than 0.1%.
- Measurement data:
Instantaneous and average values of full-wave/ fundamental current/ voltage RMS
Instantaneous and average values of full-wave/ fundamental active / reactive power
Instantaneous and average values of full-wave apparent power
Active/ reactive/ apparent power/ current RMS/ constant values
Three-phase line voltage value
Vector sum value of three-phase current
Frequency and phase
- Supports software calibration.
- Supports small signal accelerated calibration.
4、Features
· Supports Detection of: Overcurrent overvoltage undercurrent undervoltage voltage swell and voltage dip.
· Supports Waveform DMA Transmission up to 512 points per cycle.
· Supports UART Interface.
5、Package:SOP16