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  • AMC0381D-Q1 Automotive, Precision, High-Voltage DC Input, Reinforced Isolated Amplifier With Fixed-Gain Differential Output

    • SBASB17 October   2024 AMC0381D-Q1

      ADVANCE INFORMATION  

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  • AMC0381D-Q1 Automotive, Precision, High-Voltage DC Input, Reinforced Isolated Amplifier With Fixed-Gain Differential Output
  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5.   Device Comparison Table
  6. 4 Pin Configuration and Functions
  7. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Power Ratings
    6. 5.6  Insulation Specifications
    7. 5.7  Safety-Related Certifications
    8. 5.8  Safety Limiting Values
    9. 5.9  Electrical Characteristics
    10. 5.10 Switching Characteristics
    11. 5.11 Timing Diagram
  8. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Analog Input
      2. 6.3.2 Isolation Channel Signal Transmission
      3. 6.3.3 Analog Output
    4. 6.4 Device Functional Modes
  9. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Best Design Practices
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  10. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  11. 9 Revision History
  12. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Mechanical Data
  13. IMPORTANT NOTICE
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Data Sheet

AMC0381D-Q1 Automotive, Precision, High-Voltage DC Input,
Reinforced Isolated Amplifier With Fixed-Gain Differential Output

1 Features

  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • Integrated, high-voltage resistive divider for direct DC voltage sensing without external resistors
  • Better than 1% accuracy over temperature and lifetime without system-level calibration
  • Differential output
  • Supply voltage range:
    • High-side (VDD1): 3.0V to 5.5V
    • Low-side (VDD2): 3.0V to 5.5V
  • Low DC errors:
    • Offset error: ±1.5mV (maximum)
    • Offset drift: ±20µV/°C (maximum)
    • Attenuation error: ±0.25% (maximum)
    • Attenuation drift: ±40ppm/°C (maximum)
    • Nonlinearity: 0.05% (maximum)
  • High CMTI: 50V/ns (minimum)
  • Low EMI: Meets CISPR-11 and CISPR-25 limits
  • Available input options:
    • AMC0381D06-Q1: 600V, 10MΩ
    • AMC0381D10-Q1: 1000V, 12.5MΩ
    • AMC0381D16-Q1: 1600V, 33MΩ
  • Safety-related certifications:
    • 7000VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000VRMS isolation for 1 minute per UL1577

2 Applications

  • Traction inverters
  • Onboard chargers
  • DC/DC converters
  • Battery junction box

 
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