MAX242MJN/883B

Overview

The MAX242MJN/883B is a military-grade RS-232 transceiver from the MAX220–MAX249 family, manufactured by Analog Devices Inc./Maxim Integrated. It operates on a single +5V supply and includes an integrated charge pump to generate ±10V internal voltages. The device features two drivers and two receivers with a data rate of 200 kbps. It supports a shutdown mode for power reduction and functions within a temperature range of -55°C to +125°C.

Feature Summary

• Integrated charge pump circuitry eliminates the need for external bipolar ±12V supplies.
• Enables single +5V supply operation for simplified system design.
• Includes a low-power shutdown mode to reduce current consumption.

Applications

• Interface translation in communication systems
• Multidrop RS-232 networks
• Portable diagnostics equipment

Procurement Notes

Verify that the ordering suffix /883B corresponds to the specific military qualification and screening requirements defined by the manufacturer. Confirm package type and lead finish specifications against the official datasheet before procurement.

Selection Notes

Select this component when a dual-channel RS-232 interface is required under extreme environmental conditions. Ensure the application can accommodate the necessary external capacitors for the charge pump circuit as specified in the electrical characteristics section.

Part Context

This part belongs to the MAX220–MAX249 family of line drivers and receivers designed for EIA/TIA-232E and V.28/V.24 interfaces. The family offers various channel configurations and packages to address different board space and performance needs.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.

FAQ

What is the maximum data rate supported by the MAX242?

The MAX242 supports a data rate of up to 200 kbps.

How does the MAX242 handle power supply requirements?

It operates from a single +5V supply using an integrated charge pump to generate the necessary internal voltages, removing the need for external ±12V sources.

Does the MAX242 include a shutdown feature?

Yes, the device includes a shutdown mode that significantly reduces power consumption.