MAX3187EAX

Overview

The MAX3187EAX is a full-duplex RS-232 transceiver designed for robust serial communication. It supports data rates up to 230kbps and operates on a single supply voltage ranging from 4.5V to 5.5V. The device provides ±15kV ESD protection and ensures EMC compliance, making it suitable for demanding environments. It features a receiver hysteresis of 650mV to enhance noise immunity. The component is rated for an operating temperature range of -40°C to +85°C.

Feature Summary

• Full-duplex RS-232 protocol support with integrated transceiver functionality
• Robust electromagnetic compatibility (EMC) compliance and high electrostatic discharge protection
• Optimized performance for desktop PC and motherboard applications

Applications

• Desktop PC serial communication interfaces
• Motherboard serial port implementations
• Industrial equipment requiring reliable serial data exchange
• Telecommunications systems needing robust signal integrity

Procurement Notes

Verify the manufacturer part number against official Analog Devices or Maxim Integrated documentation to confirm specifications. Ensure the ordering suffix matches the required package type and temperature grade. Cross-reference datasheet parameters such as supply voltage and data rate with system requirements before procurement to avoid compatibility issues.

Selection Notes

Select this component when full-duplex RS-232 communication is required with high noise immunity. The 650mV receiver hysteresis is critical for noisy industrial environments. Verify that the 4.5V to 5.5V supply range aligns with the system power architecture. Consider the SSOP-36 package constraints for PCB layout and thermal management during selection.

Part Context

This transceiver belongs to the MAX3187 family, which includes variants optimized for different interface standards and pin configurations. The MAX3187 series is widely used in legacy and modern computing systems where reliable serial connectivity is essential. It complements other Maxim Integrated interface solutions by providing standardized RS-232 signaling with enhanced protection features.

Replacement Considerations

Check for direct cross-references within the MAX3187 family. Verify pinout compatibility and electrical characteristics against alternative transceivers. Ensure any substitute maintains the same full-duplex capability and ESD protection levels.