MAX209EWG+ Equivalent & Substitute Parts Reference

Part Overview

The MAX209EWG+ is an RS232 transceiver IC manufactured by Analog Devices Inc./Maxim Integrated, designed for full-duplex serial communication applications. This 24-SOIC surface mount device integrates 3 drivers and 5 receivers, operating across the 4.5V to 5.5V supply voltage range with a maximum data rate of 120 Kbps. The component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), making it suitable for industrial and commercial applications requiring reliable RS232 interface functionality.

Substiute Parts

MAX209EWG+

Analog Devices Inc./Maxim IntegratedIn Stock: 745MAX209EWG+ Datasheet

Current PartRFQ

MAX209EWG+

Analog Devices Inc./Maxim IntegratedIn Stock: 745MAX209EWG+ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX209EWG+ is determined by strict equivalence across the following critical parameters:

• Protocol Compatibility: RS232 full-duplex transceiver functionality
• Driver/Receiver Configuration: 3 drivers and 5 receivers
• Electrical Specifications: 4.5V to 5.5V supply voltage range, 120 Kbps data rate, 500 mV receiver hysteresis
• Package Compatibility: 24-SOIC surface mount package (0.295" width, 7.50mm)
• Operating Temperature Range: -40°C to 85°C
• Compliance Requirements: ROHS3 compliance and MSL 1 rating

Only components meeting all these parameters qualify as direct substitutes. The MAX209EWG+ itself represents the parametric equivalent within this specification set.

Parameter Comparison

Engineering Selection Recommendations

The MAX209EWG+ maintains Active product status with full ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), indicating long-term availability and suitability for applications without moisture-related handling restrictions. The component's compliance certifications (REACH Unaffected, ECCN EAR99) support its use in regulated industrial and commercial environments. Selection of equivalent parts must maintain identical electrical specifications, package geometry, and compliance status to ensure functional and regulatory compatibility within existing designs.

Frequently Asked Questions (FAQ)

Q: What defines a valid substitute for the MAX209EWG+? A: A valid substitute must match all critical parameters: RS232 protocol, 3/5 driver/receiver configuration, full-duplex operation, 4.5V to 5.5V supply voltage, 120 Kbps data rate, 500 mV receiver hysteresis, 24-SOIC package, -40°C to 85°C operating temperature, and ROHS3 compliance with MSL 1 rating.

Q: Can the MAX209EWG+ be replaced with a different package type? A: No. The 24-SOIC (0.295", 7.50mm Width) package is a critical specification. Different package types are not interchangeable without PCB redesign and re-qualification.

Q: Is the MAX209EWG+ suitable for high-temperature applications? A: The MAX209EWG+ operates within the -40°C to 85°C temperature range. Applications requiring operation beyond 85°C require alternative components with extended temperature specifications.

Q: What is the significance of MSL 1 rating? A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and does not require moisture-controlled storage or handling, simplifying logistics and inventory management.

Q: Does the MAX209EWG+ comply with environmental regulations? A: Yes. The component is ROHS3 compliant and REACH unaffected, meeting current environmental and hazardous substance restrictions for industrial and commercial applications.