MAX3488EEPA

Overview

The MAX3488EEPA is a half-duplex RS-422/RS-485 transceiver manufactured by Analog Devices Inc. (Maxim Integrated). It operates on a single 3.3V supply and supports data rates up to 12 Mbps. The device features 15 kV electrostatic discharge (ESD) protection on the bus pins, ensuring robust performance in harsh environments. It utilizes slew-rate-limited drivers to minimize electromagnetic interference (EMI) and reduce reflections on unterminated lines. The component includes fail-safe receiver circuitry that defaults the receiver output to a high state when the differential input is open or shorted. It is housed in an 8-pin PDIP package.

Feature Summary

• Integrated 15 kV ESD protection on RS-485 bus pins for enhanced environmental resilience
• Slew-rate-limited drivers designed to minimize electromagnetic interference and signal reflections
• Fail-safe receiver logic ensures a defined high output state during idle or fault conditions

Applications

• Industrial automation control networks
• Building automation and security systems
• Data acquisition systems requiring long-distance communication

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm pinout compatibility and electrical specifications. Cross-reference the part number with current product lifecycle status, as availability may vary. Ensure the procurement source provides valid traceability and authenticity guarantees for industrial-grade components.

Selection Notes

Select this component for applications requiring reliable half-duplex communication over twisted-pair cabling at distances up to 1200 meters. The 3.3V supply voltage makes it suitable for low-power embedded systems. Consider the PDIP package for through-hole prototyping or high-reliability mounting requirements where surface-mount options are unsuitable.

Part Context

This part belongs to the MAX3488 family of true RS-485/RS-422 transceivers. It shares functional similarities with other Maxim Integrated interface ICs but is distinct in its specific 3.3V operation and 12 Mbps speed rating. The EEPA suffix denotes the extended temperature range and PDIP packaging configuration within the broader product line.

Replacement Considerations

MAX3488EESA+ offers identical electrical characteristics in an SOIC-8 surface-mount package. MAX3488ECSA+ provides the same functionality in a smaller TSSOP-8 package. Verify pin-to-pin compatibility before substituting these variants.