FEATURES
► 7 high performance, 24-bit Σ-Δ ADCs
► 101 dB SNR at 8 kSPS with PGA = 1
► Wide input voltage range: ±1 V, 707 mV rms full scale at gain= 1
► Differential inputs
► ±25 ppm/°C maximum channel drift (including ADC, internal
VREF, PGA drift) enabling 10000:1 dynamic input range, Class
0.2 metrology with standard external components
► With the optional ADSW-PQ-CLS Power Quality Library, the
complete IEC 61000-4-30 Class S power quality standard is
implemented including:
► Power frequency 10 sec average
► Magnitude of the supply
► Dips and swells
► Interruptions
► Rapid voltage change
► Flicker
► Mains signaling voltage
► Underdeviation and overdeviation
► Voltage and current
► Magnitude
► Harmonics
► Interharmonics
► Unbalance
► THD
► Waveform recording
► Optional ADSW-PQ-CLS Power Quality Library compatible with
ARM® Cortex microcontrollers
► VRMS one-cycle and IRMS one-cycle refreshed each cycle
► VRMS and IRMS filtered and updated every sample
► 10 cycle rms/12 cycle rms
► Period registers to calculate line frequency, one per phase
► Zero crossing and zero-crossing timeout
► Phase angle measurements
► Supports CTs
► Multipoint phase and gain compensations for CTs
► Rogowski coils with the addition of an external analog integrator
► Continuous resampled data available
► Waveform buffer
► Advanced metrology feature set
► Total and fundamental active power, volt amperes reactive
(VAR), volt amperes (VA), watthour, VAR hour, and VA hour
► Total and fundamental IRMS and VRMS
► Power factor
► Supports active energy standards: IEC 62053-21 and IEC
62053-22, EN50470-3, OIML R46, and ANSI C12.20
► Supports reactive energy standards: IEC 62053-23 and IEC
62053-24
► High speed communication port: 20 MHz SPI
► Integrated temperature sensor with 12-bit successive approximation register (SAR) ADC
► ±3°C accuracy from −40°C to +85°C

APPLICATIONS
► Energy and power monitoring
► Standards compliant power quality monitoring
► Protective devices
► Machine health
► Smart power distribution units
► Polyphase energy meters