MAX3485ESA-EV

Drivers, Receivers, Transceivers Overview

The MAX3485ESA-EV is a half-duplex RS-485/RS-422 transceiver operating from a single 3.0V to 3.6V supply. It features one driver and one receiver with a data rate up to 12Mbps. The device incorporates a 1/8 unit load, supporting up to 256 nodes on the bus. Electrical characteristics include a differential output voltage of 1.5VCC (RL=54Ω) and common mode input range of -7V to +12V. Driver propagation delay ranges from 8ns to 35ns, while receiver delay is 80ns to 150ns. Operating temperature spans -40°C to +85°C in an SOP-8 package.

Drivers, Receivers, Transceivers Feature Summary

• Supports up to 256 devices on the communication bus via 1/8 unit load receiver input impedance
• Includes over-current protection and thermal shutdown circuitry for driver overload safety
• Provides fail-safe receiver functionality ensuring logic-high output during open-circuit conditions

Drivers, Receivers, Transceivers Applications

• Bidirectional data communication on multi-point bus transmission lines
• Linear repeater applications for cable lengths exceeding 4000 feet
• Hand-in-hand daisy chain topology networks recommended by TIA standards

Drivers, Receivers, Transceivers Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm datasheet revision matches the specific manufacturing batch. Ensure proper handling procedures are followed to prevent electrostatic discharge damage during installation and storage.

Drivers, Receivers, Transceivers Selection Notes

Select this component for high-node-count RS-485 networks requiring 12Mbps throughput. Verify that the 3.3V logic interface aligns with the host microcontroller. Ensure the system design accommodates the specified -7V to +12V common-mode voltage range for industrial environments.

Drivers, Receivers, Transceivers Part Context

This transceiver belongs to the MAX3485E series designed for low-power RS-485 communication. It utilizes industry-standard pinouts compatible with legacy designs. The device integrates robust protection mechanisms suitable for electrically noisy industrial settings.

Drivers, Receivers, Transceivers Replacement Considerations

MAX3485ESA+ is a verified substitute offering identical electrical specifications and pinout compatibility within the same product family.