MAX221CUE+T

Drivers, Receivers, Transceivers Overview

The MAX221CUE+T is a single transmit/receive RS-232 transceiver powered by a +5V supply. It features an AutoShutdown function that reduces the supply current to 1µA when no valid signal is detected for 30µs, and wakes up within 250µs upon signal return. The device guarantees a data rate of 250kbps with worst-case loads of 3kΩ in parallel with 1000pF. It operates within a temperature range of 0°C to +70°C and is housed in a 16-pin TSSOP package.

Drivers, Receivers, Transceivers Feature Summary

• AutoShutdown functionality reduces power consumption without BIOS modifications
• Integrated dual charge-pump voltage converter eliminates external high-voltage requirements
• INVALID output pin indicates active communication port status

Drivers, Receivers, Transceivers Applications

• Maintenance and diagnostic ports
• Industrial systems
• Telecommunications equipment
• Set-top boxes

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm the exact package type and temperature grade. Confirm RoHS compliance status through the datasheet or component marking. Ensure the supplier provides traceable origin information consistent with Analog Devices or Maxim Integrated specifications.

Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring low standby power in single-supply environments. The integrated charge pump simplifies design by removing the need for external negative voltage generation. Consider the 16-pin TSSOP footprint if board space is limited compared to standard SO packages.

Drivers, Receivers, Transceivers Part Context

This part belongs to the MAX220–MAX249 family of multichannel RS-232 drivers and receivers designed for EIA/TIA-232E and V.28/V.24 interfaces. The MAX221 specifically addresses scenarios where ±12V supplies are unavailable, utilizing internal charge pumps to generate necessary voltages from a single +5V source.

Drivers, Receivers, Transceivers Replacement Considerations

Refer to the MAX221E data sheet for an equivalent transceiver featuring enhanced ±15kV ESD protection. Verify pin compatibility and electrical characteristics before substituting with other members of the MAX220–MAX249 family.