71M6532D - Maxim Integrated

71M6532D Energy Meter

The 71M6531D/F and 71M6532D/F are highly integrated SOCs with an MPU core, RTC, FLASH and LCD driver. The patented Single Converter Technology® with a 22-bit delta-sigma ADC, four analog inputs, digital temperature compensation, precision voltage reference, battery voltage monitor and 32-bit computation engine (CE) supports a wide range of residential meteri.

Features

• Wh accuracy < 0.1% over 2000:1 current range
• Exceeds IEC62053/ANSI C12.20 standards
• Four sensor inputs
• Low-jitter Wh and VARh plus two additional pulse test outputs (4 total, 10 kHz maximum) with pulse count
• Four-quadrant metering
• Tamper detection (Neutral current with CT, Rogowski or shunt, magnetic tamper input)
• Line frequency count for RTC
• Digital temperature compensation
• Sag detection for phase A and B
• Independent 32-bit compute engine
• 46-64 Hz line frequency range with same calibration. Phase compensation (± 7°)
• Three battery modes with wake-up on timer or push-but.