MAX241ECWI+T

Overview

The MAX241ECWI+T is a single-supply RS-232 transceiver from the MAX202E–MAX213E family, manufactured by Analog Devices Inc./Maxim Integrated. It operates on a +5V supply and includes four drivers and five receivers for full-duplex communication. The device supports data rates up to 120kbps with an operating temperature range of 0°C to +70°C. Key electrical parameters include a typical supply current of 15mA in active mode and 1μA in shutdown mode. It features ±15kV ESD protection (HBM) and utilizes an internal charge pump requiring four 1μF external capacitors.

Feature Summary

• Integrated high ±15kV HBM ESD protection on driver outputs and receiver inputs
• Internal charge pump circuitry enables single +5V supply operation without bipolar supplies
• Low-power shutdown mode reduces supply current to typically 1μA
• Receiver inputs feature guaranteed 0.8V low threshold and approximately 0.5V hysteresis

Applications

• Battery-powered equipment
• Hand-held equipment
• Portable diagnostics equipment

Procurement Notes

Verify the component authenticity through official manufacturer channels or authorized distributors. Confirm the specific suffix 'C' indicates the commercial temperature range (0°C to +70°C) and 'WI+' denotes the wide SOIC package with lead-free/RoHS compliance. Ensure the ordering code matches the exact pinout and capacitor requirements specified in the datasheet to avoid integration errors.

Selection Notes

Select this component when designing systems requiring robust ESD protection and single-supply operation. The MAX241ECWI+T is suitable for applications needing four transmit and five receive channels. Consider the 1μF charge-pump capacitor requirement compared to other family members that may use smaller values. Verify that the 120kbps data rate meets the system's communication speed requirements.

Part Context

This part belongs to the MAX202E–MAX213E, MAX232E/MAX241E family of RS-232 transceivers. The 'E' designation signifies enhanced ESD protection capabilities. The MAX241 variant specifically provides a 4-driver/5-receiver configuration, distinguishing it from lower-channel devices like the MAX232E. It is designed for harsh environments where frequent connection changes occur.

Replacement Considerations

Direct replacements within the same family include MAX241EEWI+ for extended temperature ranges. Other variants like MAX241CSE+ offer different package options. Ensure any substitute maintains the 4-driver/5-receiver count and single-supply architecture.