GENERAL DESCRIPTION
The ADE78801 is a high accuracy, 3-phase electrical energy measurement IC with serial interfaces and three flexible pulse outputs. The ADE7880 device incorporates second-order sigmadelta (Σ-Δ) analog-to-digital converters (ADCs), a digital integrator, reference circuitry, and all of the signal processing required to perform the total (fundamental and harmonic) active, and apparent energy measurements, rms calculations, as well as fundamental-only active and reactive energy measurements.

FEATURES
   Highly accurate; supports IEC 62053-21, IEC 62053-22,
      IEC 62053-23, EN 50470-1, EN 50470-3, ANSI C12.20, and
      IEEE1459 standards
   Supports IEC 61000-4-7 Class I and Class II accuracy
      specification
   Compatible with 3-phase, 3-wire or 4-wire (delta or wye),
      and other 3-phase services
   Supplies rms, active, reactive, and apparent powers, power
      factor, THD, and harmonic distortion of all harmonics
      within 2.8 kHz pass band on all phases
   Supplies rms and harmonic distortions of all harmonics
      within 2.8 kHz pass band on neutral current
   Less than 1% error in harmonic current and voltage rms,
      harmonic active and reactive powers over a dynamic
      range of 2000 to 1 at TA = 25°C
   Supplies total (fundamental and harmonic) active and
      apparent energy and fundamental active/reactive energy
      on each phase and on the overall system
   Less than 0.1% error in active and fundamental reactive
      energy over a dynamic range of 1000 to 1 at TA = 25°C
   Less than 0.2% error in active and fundamental reactive
      energy over a dynamic range of 5000 to 1 at TA = 25°C
   Less than 0.1% error in voltage and current rms over a
      dynamic range of 1000 to 1 at TA = 25°C
   Battery supply input for missing neutral operation
   Wide supply voltage operation: 2.4 V to 3.7 V
   Reference: 1.2 V (drift 20 ppm/°C typical) with external
      overdrive capability
   40-lead lead frame chip scale package (LFCSP), Pb-free, 
      pin-for-pin compatible with ADE7854, ADE7858, ADE7868 and
      ADE7878

APPLICATIONS
   Energy metering systems
   Power quality monitoring
   Solar inverters
   Process monitoring
   Protective devices