SBASB18 November   2025 AMC0381R-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Power Ratings
    6. 6.6  Insulation Specifications
    7. 6.7  Safety-Related Certifications
    8. 6.8  Safety Limiting Values
    9. 6.9  Electrical Characteristics
    10. 6.10 Switching Characteristics
    11. 6.11 Timing Diagram
    12. 6.12 Insulation Characteristics Curves
    13. 6.13 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Analog Input
      2. 7.3.2 Isolation Channel Signal Transmission
      3. 7.3.3 Analog Output
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Input Filter Design
        2. 8.2.2.2 Connecting the REFIN Pin
      3. 8.2.3 Application Curve
    3. 8.3 Best Design Practices
    4. 8.4 Power Supply Recommendations
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
      2. 8.5.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

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5 Pin Configuration and Functions

AMC0381R-Q1 DFX Package, 15-Pin SOIC (Top View) Figure 5-1 DFX Package, 15-Pin SOIC (Top View)
Table 5-1 Pin Functions
PIN TYPE DESCRIPTION
NO. NAME
1 HVIN Analog input High-voltage input
2 SNSN Analog input GND1 sense pin and inverting analog input to the amplifier. Connect to GND1.
3, 7, 8, 12, 13, 15 NC N/A No internal connection. The pin can be connected to any potential or left floating
4 SNSP Analog input Sense voltage pin and noninverting analog input to the amplifier. Connect to an external filter capacitor or leave floating.
5 VDD1 High-side power Analog (high-side) power supply(1)
6 GND1 High-side ground High-side ground
9 GND2 Low-side ground Low-side ground
10 REFIN Analog input The voltage applied to this pin sets the full-scale output of the device. Internally, a 96kΩ resistor is connected from REFIN to GND2. For best accuracy, connect REFIN to a low-impedance source as described in the Connecting the REFIN Pin section.
11 OUT Analog output Analog output
14 VDD2 Low-side power Low-side power supply(1)
(1) See the Power Supply Recommendations section for power-supply decoupling recommendations.