MAX1480EAEPI+

Drivers, Receivers, Transceivers Overview

The MAX1480EAEPI+ is a complete, electrically isolated RS-485/RS-422 data communications interface solution in a hybrid microcircuit. It integrates transceivers, optocouplers, and a transformer within a standard 28-pin DIP package. The device supports half-duplex communication with a maximum data rate of 2.5Mbps. It operates on a single +5V supply that powers both the logic and isolated sides of the interface. The I/O pins provide ±15kV electrostatic discharge protection without latchup. Electrical isolation withstands 1260VRMS for one minute or 1520VRMS for one second.

Drivers, Receivers, Transceivers Feature Summary

• Complete electrical isolation integrating transceivers, optocouplers, and a transformer
• High-speed transmission capability up to 2.5Mbps for the EA variant
• Robust ±15kV ESD protection on all I/O pins
• Driver overload protection via short-circuit current limiting and thermal shutdown

Drivers, Receivers, Transceivers Applications

• Isolated RS-485/RS-422 Data Interface
• Transceivers for EMI-Sensitive Applications
• Industrial-Control Local Area Networks
• Automatic Test Equipment
• HVAC/Building Control Networks

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'EPI' corresponds to the extended temperature range (-40°C to +85°C) as indicated in the ordering information. Confirm the package type matches the required 28-pin wide plastic DIP footprint. Ensure the design utilizes a single +5V supply compatible with the specified operating voltage range of 4.5V to 5.5V.

Drivers, Receivers, Transceivers Selection Notes

Select the MAX1480EAEPI+ when high-speed data rates up to 2.5Mbps are required alongside galvanic isolation. This variant differs from the EC version by lacking slew-rate limiting, making it suitable for faster signaling but potentially generating more EMI. Verify that the application requires half-duplex operation, as full-duplex variants utilize the MAX1490EA pinout.

Drivers, Receivers, Transceivers Part Context

This component belongs to the MAX1480E/MAX1490E family of isolated interfaces. The MAX1480E series specifically addresses half-duplex requirements, whereas the MAX1490E series provides full-duplex capabilities. Both families share similar isolation architectures but differ in pin configurations and duplex modes.

Drivers, Receivers, Transceivers Replacement Considerations

MAX1480ACPI+