MAX211EEWI

Drivers, Receivers, Transceivers Overview

The MAX211EEWI+ is a single-supply RS-232 transceiver manufactured by Analog Devices Inc./Maxim Integrated. It integrates four drivers and five receivers within a 28-pin SOIC package, supporting full-duplex communication at data rates up to 120 kbps. The device operates on a single +5V supply (4.5V to 5.5V) utilizing an internal dual charge-pump circuit that requires only four 0.1µF external capacitors. It features ±15kV ESD protection on all pins per the Human Body Model and meets TIA/EIA-232E specifications. The component includes shutdown and enable control functions to minimize power consumption.

Drivers, Receivers, Transceivers Feature Summary

• Integrated high ±15kV HBM ESD protection on all pins for robust operation in harsh environments
• Internal dual charge-pump voltage converter eliminates the need for bipolar ±12V supplies
• Shutdown mode reduces supply current to typically 1µA with transmitter outputs disabled
• Enable control allows receiver outputs to enter high-impedance state for port multiplexing

Drivers, Receivers, Transceivers Applications

• Battery-powered equipment requiring low power consumption
• Hand-held diagnostic tools and portable instruments
• Notebook computers and systems with frequent serial connection changes

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'EWI' confirms the industrial temperature range (-40°C to +85°C) and the 28-pin wide SOIC package format. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor certificates prior to finalizing procurement orders.

Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring multiple transmit and receive channels from a single +5V source. Ensure the application supports the required 0.1µF external capacitor count for the charge pump. Verify that the 120 kbps maximum data rate aligns with the system's baud rate requirements.

Drivers, Receivers, Transceivers Part Context

This part belongs to the MAX202E–MAX213E family of RS-232 transceivers designed for single-supply operation. It shares architectural similarities with the MAX241E but differs in pinout configuration and control logic polarity. The 'E' designation indicates enhanced ESD protection capabilities compared to standard commercial variants.

Drivers, Receivers, Transceivers Replacement Considerations

Publicly confirmed parameter-equivalent substitutes include the MAX211EWI+ and MAX211ECWI+. Verify pin compatibility and control signal polarity differences before implementing any cross-references.