MAX3243EIRHBR

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The Texas Instruments MAX3243EIRHBR is a high-speed RS-232 interface IC which integrates a line driver, line receiver and line transceiver in one package. It supports robust operation up to 5.5 Mbps and can be used in consumer and commercial applications. This product is well-suited for data communications in consumer devices, industrial and medical equipment and computer peripherals such as modems, printers, plotters and scanners.

The MAX3243EIRHBR offers superior ESD protection for all signal pins and is supplied in an 8-pin PDIP package for easy integration into customer designs. It requires only one external supply, +3.0V to +5.5V, making it ideal for cost sensitive, low-power applications. The device is also AEC-Q100 Grade 1 qualified for automotive applications.

Features

• Operates from +3.0V to +5.5V supplying a single supply
• Supports rate of up to 5.5 Mbps with minimal external components
• ESD protection of up to ±15kV on all pins
• Extend RS-232 signal up to 25 feet
• High tolerance to wide voltage and temperature ranges
• AEC-Q100 automotive grade qualified

Application Fields

The MAX3243EIRHBR is a great choice for applications that require a fast, robust data interface. It is most commonly used in consumer, industrial, medical and automotive applications. Examples of such applications include data communication in modems, printers, plotters, scanners and other computer peripherals. It is also suitable for applications in which ESD protection is critical, such as point-of-sale, medical, security and automotive systems.

Working Principle

The MAX3243EIRHBR is a single-package line driver, line receiver and line transceiver IC for RS-232 communication. It works on the principle of voltage-level shifting and adaptive control of the transmission line. The line driver and receiver portion is capable of supporting up to +15kV ESD protection. The line transceiver portion consists of a balanced line driver and adjustable attenuator. With the adjustable attenuator, the MAX3243EIRHBR supports transmission up to 25 feet.

The MAX3243EIRHBR supports robust transmission rates of up to 5.5 Mbps. It requires only one external supply, +3.0V to +5.5V, and is specified over the extended temperature range of –40°C to +85°C. It is also AEC-Q100 Grade 1 qualified for automotive applications.

The MAX3243EIRHBR is an application-specific IC, designed to meet the demands of high-speed, reliable and robust RS-232 communication. Its low power consumption and robust ESD protection make it an ideal solution for many data communication applications.

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