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71M6545 - Metrology Processors

General Description

The 71M6545/71M6545H metrology processors are based on 4th-generation metering architecture supporting the 71M6xxx series of isolated current sensing products that offer drastic reduction in component count, immunity to magnetic tampering, and unparalleled reliability.

Key Features

  • 0.1% Typical Accuracy Over 2000:1 Current Range.
  • Exceeds IEC 62053/ANSI C12.20 Standards.
  • Seven Sensor Inputs with Neutral Current Measurement, Differential Mode Selectable for Current Inputs.
  • Selectable Gain of 1 or 8 for One Current Input to Support Shunts.
  • High-Speed Wh/VARh Pulse Outputs with Programmable Width.
  • Flash/RAM Size 32KB/3KB (71M6545) 64KB/5KB (71M6545H).
  • Up to Four Pulse Outputs with Pulse Count.
  • Four-Quadra.

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📁 Similar Datasheet

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Full PDF Text Transcription for 71M6545 (Reference)

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71M6545/71M6545H Metrology Processors GENERAL DESCRIPTION The 71M6545/71M6545H metrology processors are based on 4th-generation metering architecture supporting the 71M6xxx series of isolated current sensing products that offer drastic reduction in component count, immunity to magnetic tampering, and unparalleled reliability. The 71M6545/71M6545H integrate our Single Converter Technology® with a 22-bit delta-sigma ADC, a customizable 32-bit computation engine (CE) for core metrology functions, as well as a user-programmable 8051compatible application processor (MPU) core with up to 64KB flash and up to 5KB RAM.