MAX232AEJE

Overview

The MAX232AEJE is a dual-channel RS-232 transceiver manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates from a single +5V power supply and includes internal charge pumps to generate the necessary voltages for RS-232 signal levels. The device features two drivers and two receivers, supporting full-duplex communication with a data rate of up to 120 kbps. It is housed in a 16-pin JEDEC SOIC package and is rated for an industrial temperature range of -40°C to +85°C.

Feature Summary

• Integrated charge pump circuitry eliminates the need for external positive and negative voltage supplies.
• Provides true RS-232 compliance with driver outputs exceeding ±5V and receiver inputs compatible with TTL/CMOS logic levels.
• Designed for low-power consumption with a shutdown mode that reduces supply current to less than 30µA.

Applications

• Industrial control systems requiring serial communication interfaces.
• Modem interfacing in embedded computing environments.
• Point-of-sale terminals and barcode scanners.

Procurement Notes

Verify the specific suffix 'JE' to confirm the 16-pin JEDEC SOIC package variant. Ensure the component meets RoHS directives if required for your assembly process. Cross-reference the manufacturer's latest datasheet for any updates on lead times or end-of-life status before finalizing procurement plans.

Selection Notes

Select this component when a standard +5V supply is available and ESD protection is not a primary requirement compared to newer alternatives. It serves as a direct replacement for legacy MAX232 designs. Consider the MAX3232 series if lower voltage operation (3.3V) or higher data rates are needed.

Part Context

This part belongs to the widely adopted MAX232 family of interface ICs. It maintains pin compatibility with earlier generations while offering improved performance characteristics within the industrial temperature grade. The JE suffix specifically denotes the plastic small-outline package suitable for surface-mount applications.

Replacement Considerations

The MAX232ACPE and MAX232IDR are functional equivalents within the same family. For upgrades requiring 3.3V operation, the MAX3232 series is recommended. Verify pinout compatibility when substituting with other RS-232 transceivers.