71M6521FE
Description
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 pensation, precision voltage reference, battery voltage monitor, and 32-bit putation engine (CE) supports a wide range of residential metering applications with very few low-cost external ponents.
Key Features
- 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)
- Four Sensor Inputs-VDD Referenced
- Low-Jitter Wh and VARh Pulse Test Outputs (10kHz max)
- Pulse Count for Pulse Outputs
- Four-Quadrant Metering
- Tamper Detection Neutral Current with CT or Shunt
- Line Frequency Count for RTC
- Digital Temperature pensation
