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71M6521DH Datasheet Energy Meter

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 19-5370; Rev 3; 7/12 71M6521DE/DH/FE Energy Meter ICs DATA SHEET.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General 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.

A 32kHz crystal time base for the entire system and internal battery-backup support for RAM and RTC further reduce system cost.

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 Compe.

Similar Datasheet

Brand Logo Part Number Description Manufacturer
TERIDIAN Semiconductor Logo 71M6521BE Energy Meter TERIDIAN Semiconductor

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71M6521DH Distributor