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ATM90E32AS-AU-R Datasheet(PDF) 1 Page - ATMEL Corporation |
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ATM90E32AS-AU-R Datasheet(HTML) 1 Page - ATMEL Corporation |
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1 / 84 page  Atmel-46003B-SE-M90E32AS-Datasheet_02122015 FEATURES Metering Features • Metering features fully in compliance with the requirements of IEC62052-11, IEC62053-22 and IEC62053-23, ANSI C12.1 and ANSI C12.20; applicable in poly- phase class 0.2S, 0.5S or class 1 watt-hour meter or class 2 var-hour meter. • Accuracy of ±0.1% for active energy and ±0.2% for reactive energy over a dynamic range of 6000:1. • Temperature coefficient is 6 ppm/ ℃ (typ.) for on-chip reference voltage. Automati- cally temperature compensated. • Single-point calibration on each phase over the whole dynamic range for active energy; no calibration needed for reactive/ apparent energy. • ±1 ℃ (typ.) temperature sensor accuracy. • Flexible piece-wise non-linearity compensation: three current (RMS value)-based segments with two programmable thresholds for each phase. Independent gain and phase angle compensation for each segment. • Electrical parameters measurement: less than ±0.5% fiducial error for Vrms, Irms, mean active/ reactive/ apparent power, frequency, power factor and phase angle. • Active (forward/reverse), reactive (forward/reverse), apparent energy with indepen- dent energy registers. • Programmable startup and no-load power thresholds. • 6 dedicated ADCs for phase A/B/C current and voltage sampling circuits. Current sampled over Current Transformer (CT) or Rogowski coil (di/dt coil); voltage sam- pled over resistor divider network. • Programmable power modes: Normal, Idle, Detection and Partial Measurement mode. • Fundamental (0.2%) and harmonic (1%) active energy with dedicated energy / power registers and independent energy outputs. • Current and voltage instantaneous signal monitoring. • Enhanced event detection: sag, over voltage, phase loss, over current, reverse V/I phase sequence, calculated neutral line current INC over-current and frequency upper and lower threshold. Other Features • 3.3V single power supply. Operating voltage range: 2.8V~3.6V. Metering accuracy guaranteed within 3.0V~3.6V. • Four-wire SPI interface. • Programmable voltage sag detection and zero-crossing output. • Crystal oscillator frequency: 16.384MHz. On-chip two capacitors and no need of external capacitors. • Lower power consumption. I=13mA (typ.) in Normal mode. • TQFP48 package. • Operating temperature: -40 ℃ ~ +85 ℃ . Atmel M90E32AS Enhanced Poly-Phase High-Performance Wide-Span Energy Metering IC DATASHEET |
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