SLLS350Q April   1999  – August 2024 MAX3243

PRODUCTION DATA  

  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  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics –– Auto Power Down
    6. 5.6  Electrical Characteristics –– Driver
    7. 5.7  Electrical Characteristics –– Receiver
    8. 5.8  Switching Characteristics –– Auto Power Down
    9. 5.9  Switching Characteristics –– Driver
    10. 5.10 Switching Characteristics –– Receiver
    11. 5.11 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 Auto-Power-Down
      2. 7.3.2 Charge Pump
      3. 7.3.3 RS232 Driver
      4. 7.3.4 RS232 Receiver
      5. 7.3.5 ROUT2B Receiver
      6. 7.3.6 Invalid Input Detection
    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

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

3 Description

The MAX3243 device consists of three line drivers, five line receivers which is ideal for DE-9 DTE interface. ±15kV ESD (HBM) protection pin to pin (serial- port connection pins, including GND). Flexible power features saves power automatically. Special outputs ROUT2B and INVALID are always enabled to allow checking for ring indicator and valid RS232 input.

Package Information
PART NUMBER PACKAGE(1) PACKAGE SIZE(2)
MAX3243 SSOP (28) 10.2mm × 7.8mm
SOIC (28) 17.9mm × 10.3mm
TSSOP (28) 9.7mm × 6.4mm
(1) For more information, see Section 11.
(2) The package size (length × width) is a nominal value and includes pins, where applicable.
MAX3243 Simplified DiagramSimplified Diagram