Analog Devices Inc./Maxim Integrated Tariff Inquiry

MAX221EEAE

MAX221EEAE Description

The MAX221EEAE from Analog Devices Inc./Maxim Integrated is a single-channel RS-232 transceiver designed for full-duplex communication in industrial, embedded, and consumer applications. Housed in a 16-pin SSOP package, this surface-mount IC operates from a 4.5V to 5.5V supply, supporting data rates up to 250kbps. As an obsolete part, it remains relevant for legacy systems requiring robust RS-232 interfacing with 500mV receiver hysteresis for noise immunity. The device complies with EAR99 export controls and is REACH unaffected, ensuring broad usability. Its Moisture Sensitivity Level (MSL) 1 rating guarantees reliability in humid environments.

MAX221EEAE Features

• Single-Channel Full-Duplex: Enables simultaneous transmission and reception on a single RS-232 line.
• High Noise Immunity: 500mV receiver hysteresis minimizes errors in electrically noisy environments.
• Wide Supply Range: Operates from 4.5V to 5.5V, compatible with standard 5V logic systems.
• Compact SSOP Package: Space-efficient 16-pin SSOP ideal for PCB-constrained designs.
• Legacy Protocol Support: Fully compliant with RS-232 standards, ensuring backward compatibility.
• Low Power Consumption: Optimized for energy-sensitive applications without sacrificing performance.

MAX221EEAE Applications

• Industrial Automation: Reliable serial communication in PLCs, motor controllers, and sensors.
• Embedded Systems: Legacy device interfacing in medical equipment and test instruments.
• Consumer Electronics: RS-232 connectivity for point-of-sale terminals and kiosks.
• Telecommunications: Modem and router signal conditioning in noisy environments.
• Retro Computing: Ideal for restoring or maintaining vintage computing systems requiring RS-232.

Conclusion of MAX221EEAE

The MAX221EEAE stands out for its robust noise immunity, compact form factor, and legacy protocol support, making it a pragmatic choice for systems demanding reliable RS-232 communication. While marked obsolete, its 500mV hysteresis and full-duplex operation ensure superior performance in industrial and embedded applications. Engineers seeking a proven, space-efficient transceiver for noisy or legacy environments will find this IC a dependable solution.