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71M6103 - Isolated Sensor

General Description

The 71M6103/71M6113/71M6201/71M6203/71M6601/71M6603 (71M6xxx) isolated sensor ICs enable Maxim Integrated’s 4thgeneration polyphase-metering 71M654x systems-on-chips (SoCs) to use nonisolating sensors such as resistive shunts without the need for costly and nonlinear isolation transformers or CTs.

Key Features

  • Reduce BOM by Replacing Expensive Current Transformers with Current Shunts.
  • Compatible with Shunt Resistors as Low as 50µΩ.
  • Accurate Measurement.
  • 22-Bit ADC.
  • On-Chip Power Monitoring.
  • Exceeds IEC 62053/ANSI C12.20 Standards.
  • Galvanic Isolation Through Pulse Transformer Provides Power, Bidirectional Data, and Timing Reference.
  • 3.3mW Typical Consumption.
  • On-Chip Power Monitoring Shunt Current Sensors C.

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71M6103/71M6113/ 71M6201/71M6203/ 71M6601/71M6603 Isolated Sensor ICs DATA SHEET GENERAL DESCRIPTION The 71M6103/71M6113/71M6201/71M6203/71M6601/71M6603 (71M6xxx) isolated sensor ICs enable Maxim Integrated’s 4thgeneration polyphase-metering 71M654x systems-on-chips (SoCs) to use nonisolating sensors such as resistive shunts without the need for costly and nonlinear isolation transformers or CTs. Isolation is provided by low-cost pulse transformers that form a bidirectional digital communication link between the 71M654x and the isolated sensor ICs.