The MAX242CWN+T from Maxim Integrated is a high-performance, low-power, dual driver/receiver that integrates a capacitive voltage generator to power an RS-232 interface from a single 5V supply. This device is designed for applications requiring efficient communication through the RS-232 protocol, such as industrial control systems, point-of-sale terminals, and data communication equipment.

Key Features

• Integrated Charge Pump Circuitry: The MAX242CWN+T features an onboard charge pump that eliminates the need for a bipolar ±12V power supply, simplifying power management and saving board space.
• Low Power Operation: This device operates with a low supply current, making it ideal for portable and battery-powered applications where power efficiency is crucial.
• High Data Rate: It supports data rates up to 120kbps, ensuring fast and reliable communication for demanding applications.
• ESD Protection: The device includes built-in electrostatic discharge (ESD) protection circuits, which safeguard the interface against voltage spikes and static electricity, enhancing its durability and reliability.
• Dual Drivers and Receivers: With two drivers and two receivers, the MAX242CWN+T can manage full-duplex data communication, allowing simultaneous transmission and reception of data.
• Wide Operating Temperature Range: It is designed to operate over a broad temperature range, making it suitable for industrial environments.

Applications

The versatility of the MAX242CWN+T makes it an excellent choice for a variety of applications that require RS-232 communication interfaces. These include:

• Industrial Control Systems
• Point-of-Sale Terminals
• Data Communication Equipment
• Modems
• Telecommunications

Product Specifications

The MAX242CWN+T is available in a wide-body, 18-pin SO package. It operates from a single 5V supply, with a typical supply current of 8mA. The device features a shutdown mode that reduces power consumption to 1μA, further extending battery life in portable applications.

Maxim Integrated's commitment to quality and performance is evident in the MAX242CWN+T, making it a reliable choice for designers looking to implement RS-232 communications in their products with minimal power usage and robust ESD protection.