MX2N4858UB

Product Overview

Category

The MX2N4858UB belongs to the category of integrated circuits (ICs) and specifically falls under the family of RS-485/RS-422 transceivers.

Use

This product is commonly used for serial communication in industrial automation, building automation, and other applications where robust and reliable data transmission over long distances is required.

Characteristics

• High Noise Immunity: The MX2N4858UB offers high noise immunity, making it suitable for use in electrically noisy environments.
• Wide Operating Voltage Range: It operates over a wide voltage range, allowing flexibility in various system designs.
• Low Power Consumption: The device is designed for low power consumption, contributing to energy-efficient operation.
• Robustness: With built-in protection features, the MX2N4858UB can withstand harsh industrial environments.

Package

The MX2N4858UB is typically available in small outline integrated circuit (SOIC) packages, which offer ease of handling and integration into circuit boards.

Essence

The essence of the MX2N4858UB lies in its ability to facilitate reliable and efficient data communication in challenging industrial settings.

Packaging/Quantity

The MX2N4858UB is commonly supplied in reels containing a specific quantity, typically ranging from 250 to 3000 units per reel, depending on the manufacturer's specifications.

Specifications

• Operating Voltage Range: 3V to 5.5V
• Data Rate: Up to 20 Mbps
• Operating Temperature Range: -40°C to 85°C
• Package Type: SOIC-8

Detailed Pin Configuration

The MX2N4858UB features an 8-pin configuration, with pins designated for power supply, ground, data input/output, and control signals. The pinout is as follows: 1. A - Driver Output B 2. B - Driver Input B 3. GND - Ground 4. B - Receiver Output B 5. A - Receiver Input A 6. RO - Receiver Output A 7. RE - Receiver Output Enable 8. DE - Driver Output Enable

Functional Features

• Half-Duplex Operation: The MX2N4858UB supports half-duplex communication, allowing both transmission and reception of data on a single communication line.
• Driver and Receiver Enable Control: It provides control signals for enabling or disabling the driver and receiver functions, enhancing flexibility in system design.
• Overvoltage Protection: The device incorporates overvoltage protection to safeguard against voltage spikes and transient events.

Advantages and Disadvantages

Advantages

• Reliable data transmission over long distances
• High noise immunity
• Wide operating voltage range
• Low power consumption

Disadvantages

• Limited to half-duplex operation
• May require additional components for full-duplex communication

Working Principles

The MX2N4858UB operates by converting between the differential voltage levels used for RS-485/RS-422 communication and the logic levels compatible with microcontrollers or other digital devices. It employs differential signaling to achieve noise immunity and utilizes control signals to enable/disable the driver and receiver functions as needed.

Detailed Application Field Plans

The MX2N4858UB finds extensive application in various fields, including: - Industrial Automation: for connecting sensors, actuators, and control systems over long distances - Building Automation: for networking HVAC systems, lighting controls, and access control panels - Transportation Systems: for communication between vehicle subsystems and control centers - Renewable Energy: for monitoring and controlling distributed energy resources

Detailed and Complete Alternative Models

Some alternative models to the MX2N4858UB include the MAX485, SN75176, and LTC485. These alternatives offer similar functionality and are widely used in industrial and commercial applications.

In conclusion, the MX2N4858UB serves as a crucial component in enabling reliable and robust data communication in diverse industrial and automation settings, offering a balance of performance, flexibility, and efficiency.

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