MAX3248EEAI+

Overview

The MAX3248EEAI+ is a full-duplex RS-232 transceiver in a 28-pin SSOP package. It operates from a single +3.0V to +5.5V supply and supports data rates up to 250kbps. The device integrates five drivers and three receivers with low-level logic thresholds (0.6V to 1.2V) suitable for 1.8V systems. It features AutoShutdown Plus technology, reducing supply current to 10nA when idle. Enhanced ESD protection is rated at ±15kV on all I/O pins.

Feature Summary

• AutoShutdown Plus functionality reduces power consumption by disabling the onboard power supply and drivers during periods of inactivity.
• Low-level logic input thresholds are optimized for compatibility with 1.8V system architectures.
• Integrated ESD protection structures provide robust defense against electrostatic discharge events on both RS-32 and logic pins.

Applications

• Cellular data cables
• Battery-powered equipment
• Modems

Procurement Notes

Verify the specific suffix EEAI corresponds to the extended temperature range (-40°C to +85°C) and SSOP package configuration. Confirm that the low-level logic threshold variant matches the target system voltage requirements before finalizing procurement orders.

Selection Notes

Select this component when designing for 1.8V logic interfaces requiring RS-232 conversion. The low-level thresholds distinguish it from standard variants. Ensure external capacitors meet minimum values specified for the operating voltage to maintain charge pump stability.

Part Context

This part belongs to the MAX3238E/MAX3248E family. The primary distinction between these models lies in their input logic thresholds. The MAX3248E utilizes low-level thresholds for 1.8V systems, whereas the MAX3238E employs standard thresholds.

Replacement Considerations

MAX3238EEAI+