MAX3075EESA+

Overview

The MAX3075EESA+T is a half-duplex RS-485 transceiver manufactured by Analog Devices Inc./Maxim Integrated. It operates on a single +3.3V supply and features one driver and one receiver within an 8-pin SOIC package. The device supports data transmission rates up to 500kbps with slew-rate-limited drivers. It includes ±15kV ESD protection, fail-safe circuitry ensuring a logic-high output when inputs are open or shorted, and hot-swap capability for safe bus insertion. The operating temperature range spans from -40°C to +85°C.

Feature Summary

• Hot-swap input structure prevents false transitions during power-up or hot insertion
• Fail-safe receiver guarantees a logic-high output when inputs are open or shorted
• Slew-rate-limited drivers minimize EMI and reduce reflections for error-free transmission

Applications

• Lighting Systems
• Industrial Control
• Telecom
• Security Systems
• Instrumentation

Procurement Notes

Verify the component against official datasheets to confirm the specific suffix matches the required packaging and operational parameters. Ensure the ordering information aligns with the manufacturer's current part numbering system to avoid discrepancies in specifications or physical dimensions.

Selection Notes

Select this model for applications requiring half-duplex communication at speeds up to 500kbps. It is suitable for environments needing robust ESD protection and fail-safe behavior. Verify that the 3.3V supply voltage and SOIC-8 package footprint match the target design constraints before integration.

Part Context

This component belongs to the MAX3070E–MAX3079E family of +3.3V RS-485 transceivers. While sharing common features like ESD protection and fail-safe operation, the MAX3075E specifically provides half-duplex functionality with a 500kbps maximum data rate, distinguishing it from full-duplex variants and higher-speed models within the same series.

Replacement Considerations

The ADM3075EARZ is a confirmed substitute offering similar half-duplex RS-485 functionality with a 500kbps data rate and 3.3V operation. Both devices feature fail-safe receivers and ±15kV ESD protection, though thermal and electrical characteristics should be compared for direct compatibility.