Description

Energy Metering IC with Sensor Monitoring and Self-Calibration Features: mSure sensor monitoring Noninvasive, real-time, direct, precision measurement of the input signal path Detects changes in meter accuracy and amount of drift over the life of the meter Identifies sensor malfunction Enables advanced tamper detection methods Companion MCU firmware to facilitate diagnostic data reporting Supported for shunts on the phase line and CTs on the neutral line mSure self-calibration Self-calibration based on a direct measurement of the full signal path Calibration procedure not requiring a reference meter 3 high performance ADCs 86 dB SNR High gain current channel: ±26.04 mV peak, 18.4 mV rms input at highest gain setting Advanced metrology feature set Watt, VAR, VA, Wh, VARh, and VAh Supports active energy standards: IEC 62053-21; IEC 62053-22; EN50470-3; OIML R46; and ANSI C12.20 Supports reactive energy standards: IEC 62053-23 and IEC 62053-24 Current and voltage rms measurement Operating temperature, industrial range: −40°C to +85°C Integrated temperature sensor with a 12-bit successive approximation register (SAR) ADC