MAX71637

Energy Measurement SoCs

Advanced Signal Processing and Industry-Standard Cryptography for Both Accuracy and Security

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Part Details

  • SoC Integration and Unique Isolation Technique Reduces BOM Cost Without Sacrificing Performance
    • Watt-Hour Accuracy of 0.1% at Up to 5,000:1 Dynamic Range
    • Sample Frequency Configurable; ΣΔ Sample Rate Configurable Up to 9.83MHz
    • Flexible Analog Input Configuration Support Current Transformers, Shunts, or Rogowski Coils
    • 2.7V to 3.6V Operating Voltage
    • Single 32.768kHz Crystal Provides All Operating Clocks
  • ARM Core M3 Application Processor Enables Rapid System Development
    • 1MB Flash
    • 64KB Code RAM
    • 64KB System RAM
    • Six UART Channels
    • Seven Timer Channels
    • I2C Master/Slave Peripheral
    • Three SPI Peripherals
    • Smart Card Interface
  • MAXQ30 Features
    • 64KB Program RAM
    • 8KB Data RAM
    • 16KB Page RAM
    • Four Meter Pulse Outputs (Configurable)
    • Two I2C Master/Slave Peripherals
    • SPI Master/Slave Peripheral
    • 50-Segment, 6-Common LCD Interface
  • Security Features Reduce or Eliminate Common Security Threats
    • Built-In Cryptographic Modules Ensure Communications Are Kept Secure
    • Tamper Detect Inputs Ensure Attempts to Breach the Case Are Recorded and Reported
    • Two Independent Cores Ensures Compliance with All Current and Future Security Requirements
  • Analog Front-End
    • Seven (MAX71637) or Four (MAX71617) 24-Bit ΣΔ A/D Converters
    • Three (MAX71637) or Two (MAX71617) Voltage Inputs
    • Four (MAX71637) or Three (MAX71617) Differential Current Inputs
MAX71637
Energy Measurement SoCs
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Documentation

Reliability Data 1

Technical Articles 1

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