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