MAX3237EIDWR

Overview

The MAX3237EIDWR is a multichannel RS-232 transceiver manufactured by Texas Instruments, designed for operation with supply voltages ranging from 3 V to 5.5 V. It integrates five drivers and three receivers in a single package, supporting full-duplex communication at data rates up to 1 Mb/s. The device utilizes a SOIC-28 surface-mount package and operates within an industrial temperature range of -40°C to +85°C. Key electrical characteristics include a maximum power supply voltage of 5.5 V, a minimum of 3 V, and a typical operating supply current of 2 mA. It features ESD protection rated at 15 kV and includes a shutdown function to minimize power consumption.

Feature Summary

• Integrates five independent line drivers and three line receivers for high-density serial communication interfaces.
• Provides robust electrostatic discharge (ESD) protection rated at ±15 kV on all RS-232 ports.
• Incorporates a dedicated shutdown pin to significantly reduce power consumption during idle periods.

Applications

• Industrial control systems requiring multiple RS-232 connections
• Portable instrumentation with battery-powered constraints
• Data acquisition modules needing high-density serial I/O

Procurement Notes

Verify the specific suffix 'IDWR' confirms the industrial temperature grade (-40°C to +85°C) and SOIC-28 tape-and-reel packaging. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor certificates prior to procurement. Ensure the ordering quantity matches the reel specifications provided by the supplier.

Selection Notes

Select this component when designing systems requiring five transmit and three receive channels within a compact footprint. It is suitable for applications demanding 1 Mb/s data rates with 3 V to 5.5 V supply rails. Consider the SOIC-28 package dimensions for PCB layout constraints and verify thermal dissipation requirements for the specified industrial temperature range.

Part Context

This part belongs to the MAX3237E family of multichannel RS-232 transceivers. It shares functional similarities with other TI RS-232 devices but is distinguished by its specific count of five drivers and three receivers. The 'I' designation indicates the extended industrial temperature range, while 'DW' specifies the SOIC-28 package type.

Replacement Considerations

Direct replacements must match the 5-driver/3-receiver configuration and SOIC-28 package. Verify compatibility with existing board layouts and software drivers. Check datasheets for equivalent parts offering similar ESD protection levels and data rate capabilities.