The MAX3221EFAE is a high-performance, low-power, single-transceiver RS-232 interface device from Maxim Integrated that is designed to meet the stringent requirements of battery-operated and portable applications. This integrated circuit (IC) is specifically engineered to operate with a single +3.0V to +5.5V power supply, making it an ideal choice for systems where power efficiency is critical.

Key Features

• Single RS-232 Transceiver: The device includes one driver and one receiver, providing a compact solution for serial communication.
• Low-Power Operation: With its low-power shutdown mode, the MAX3221EFAE reduces power consumption to just 1µA, extending battery life in portable devices.
• Electrostatic Discharge (ESD) Protection: It offers a robust ESD protection of ±15kV using the Human Body Model (HBM), ensuring reliability and durability in harsh environments.
• Flexible Baud Rates: The transceiver supports a wide range of baud rates, allowing it to be used in various communication standards.
• Autoshutdown Plus™ Feature: This feature automatically enters a low-power shutdown mode when the RS-232 cable is disconnected or the connected peripherals are turned off, further conserving power.
• Latch-Up Performance: The IC exceeds JESD 78, Class II standards for latch-up performance, providing additional reliability under atypical conditions.

Applications

The MAX3221EFAE is versatile and can be used in a wide array of applications, including:

• Portable and Battery-Powered Equipment
• Notebooks, Laptops, and Palmtop PCs
• Handheld Equipment
• Peripherals
• Data Cables

Package and Availability

The device is offered in a space-saving 16-pin SSOP (Shrink Small Outline Package) that minimizes the footprint on printed circuit boards. It is available for order and can be sourced directly from Maxim Integrated or through their authorized distributors.

With its combination of low-power operation, advanced protection features, and compact design, the MAX3221EFAE from Maxim Integrated stands out as a reliable and efficient solution for RS-232 communication in modern electronic systems.