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  • MAX3221E 3V to 5.5V Single-Channel RS-232 Line Driver and Receiver With ±15kV IEC ESD Protection

    • SLLS686E October   2005  – December 2024 MAX3221E

      PRODUCTION DATA  

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  • MAX3221E 3V to 5.5V Single-Channel RS-232 Line Driver and Receiver With ±15kV IEC ESD Protection
  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  ESD Ratings - IEC Specifications
    4. 5.4  Recommended Operating Conditions
    5. 5.5  Thermal Information
    6. 5.6  Electrical Characteristics
    7. 5.7  Electrical Characteristics: Driver
    8. 5.8  Electrical Characteristics: Receiver
    9. 5.9  Electrical Characteristics: Auto-Power Down
    10. 5.10 Switching Characteristics: Driver
    11. 5.11 Switching Characteristics: Receiver
    12. 5.12 Switching Characteristics: Auto-Power Down
    13. 5.13 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Power
      2. 7.3.2 RS-232 Driver
      3. 7.3.3 RS-232 Receiver
      4. 7.3.4 RS-232 Status
    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
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
  13. IMPORTANT NOTICE

Package Options

Mechanical Data (Package|Pins)
  • DYY|16
    • MPSS115C
  • PW|16
    • MPDS361A
  • DB|16
    • MPDS507A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
  • slls686e_oa
  • slls686e_pm
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  • Full reading width
    • Full reading width
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    • Expanded reading width
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Data Sheet

MAX3221E 3V to 5.5V Single-Channel RS-232 Line Driver and Receiver With ±15kV IEC ESD Protection

1 Features

  • ESD protection for RS-232 pins
    • ±15kV Human-body model (HBM)
    • ±8kV (IEC 61000-4-2, Contact discharge)
    • ±15kV (IEC 61000-4-2, Air-gap discharge)
  • Meets or exceeds the requirements of TIA/EIA-232-F and ITU v.28 standards
  • Operates with 3V to 5.5V VCC supply
  • Operates up to 250kbit/s
  • One driver and one receiver
  • Low standby current: 1µA typical
  • Accepts 5V logic input with 3.3V supply
  • Auto-power-down feature automatically disables drivers for power savings
  • Alternative high-speed device (1Mbit/s)
    • SN75C3221E and SN65C3221E

2 Applications

  • Industrial PCs
  • Wired networking
  • Data center and enterprise computing
  • Battery-powered systems
  • PDAs
  • Notebooks
  • Laptops
  • Palmtop PCs
  • Hand-held equipment

 
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