Features

• Active power accuracy:

– < 0.1% error over 5000 : 1 dynamic range

– < 0.5% error over 10000 : 1 dynamic range

• Exceeds 50-60 Hz EN 50470-x, IEC 62053-2x,

ANSI12.2x standard requirements for AC watt meters

• Reactive power accuracy:

– < 0.1% error over 2000 : 1 dynamic range

• Dual mode apparent energy calculation

• Instantaneous and averaged power

• RMS and instantaneous voltage and current

• Under and overvoltage detection (sag and swell) and monitoring

• Overcurrent detection and monitoring

• UART and SPI serial interface with programmable CRC polynomial verification

• Programmable LED and interrupt outputs

• Four independent 24-bit 2nd order sigma-delta ADCs

• Two programmable gain chopper stabilized low-noise and low-offset amplifiers

• Bandwidth 3.6 kHz at -3 dB

• Vcc supply range 3.3 V ± 10%

• Supply current Icc 4.3 mA (STPM32)

• Input clock frequency 16 MHz, Xtal or external source

• Twin precision voltage reference: 1.18 V with independent programmable TC,

30 ppm/°C typ.

• Internal low drop regulator at 3 V (typ.)

• QFN packages

• Operating temperature from -40 °C to +105 °C