71M6521DE Datasheet, Maxim Integrated

* Up to 0.1% Wh Accuracy Over 2000:1 Current Range
* Exceeds IEC 62053/ANSI C 12.20 Standards
* Voltage Reference < 40 ppm/°C (< 20ppm/°C for 71M6521DH)
*.

with very few low-cost external components. A 32kHz crystal time base for the entire system and internal battery-backup .

The Teridian™ 71M6521DE/DH/FE energy meter ICs are highly integrated systems-on-a-chip (SoCs) with an MPU core, RTC, flash, and LCD driver. The Single Converter Technology® with a 22-bit delta-sigma ADC, four analog inputs, digital temperature compen.