MAX3087EEPA+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Communication and Networking
• Characteristics: High-Speed, Low-Power, RS-485/RS-422 Transceiver
• Package: 8-pin PDIP (Plastic Dual In-Line Package)
• Essence: MAX3087EEPA+ is a versatile transceiver designed for reliable data communication in industrial applications.
• Packaging/Quantity: Available in tubes or reels, with a quantity of 25 units per tube/reel.

Specifications

• Supply Voltage Range: +4.75V to +5.25V
• Data Rate: Up to 250kbps
• Operating Temperature Range: -40°C to +85°C
• Number of Drivers/Receivers: 1 Driver, 1 Receiver
• ESD Protection: ±15kV Human Body Model (HBM), ±15kV IEC 61000-4-2 Air-Gap Discharge, ±8kV IEC 61000-4-2 Contact Discharge

Detailed Pin Configuration

1. DE (Driver Output Enable)
2. A (Non-Inverting Driver Input)
3. B (Inverting Driver Input)
4. GND (Ground)
5. Y (Receiver Output)
6. Z (Receiver Input)
7. VCC (Supply Voltage)
8. RE (Receiver Output Enable)

Functional Features

• Robust RS-485/RS-422 Transceiver
• Low Power Consumption
• Enhanced ESD Protection
• Wide Supply Voltage Range
• High Noise Immunity
• Short-Circuit Protection
• Thermal Shutdown Protection

Advantages

• Supports long-distance communication up to 1200 meters
• High data rate capability enables fast and efficient transmission
• Low power consumption extends battery life in portable devices
• Enhanced ESD protection ensures reliable operation in harsh environments
• Wide supply voltage range allows compatibility with various systems

Disadvantages

• Limited to half-duplex communication
• Requires external components for complete functionality
• Not suitable for high-speed applications exceeding 250kbps

Working Principles

The MAX3087EEPA+ transceiver utilizes differential signaling to transmit and receive data over long distances. It employs a driver circuit to convert logic-level signals into balanced differential signals, which are less susceptible to noise interference. The receiver circuit then converts the received differential signals back into logic-level signals for further processing.

Detailed Application Field Plans

1. Industrial Automation: Used in PLC (Programmable Logic Controller) systems for reliable data transmission between control units and field devices.
2. Building Automation: Enables communication between various building management systems, such as HVAC (Heating, Ventilation, and Air Conditioning) controllers, lighting control panels, and access control systems.
3. Instrumentation: Facilitates data exchange between sensors, actuators, and control units in measurement and control instruments.
4. Automotive Electronics: Supports communication between different automotive modules, such as engine control units, body control modules, and infotainment systems.

Detailed and Complete Alternative Models

1. SN75176B - RS-485 Transceiver, Texas Instruments
2. LTC1480 - Low Power RS-485 Transceiver, Linear Technology
3. ADM2483 - Isolated RS-485 Transceiver, Analog Devices
4. SP3485 - Half-Duplex RS-485 Transceiver, Exar Corporation
5. ST485 - Low Power RS-485 Transceiver, STMicroelectronics

Note: This is not an exhaustive list of alternative models, but provides a selection of popular options.

In conclusion, the MAX3087EEPA+ is a highly reliable and versatile RS-485/RS-422 transceiver designed for industrial applications. Its robust features, low power consumption, and wide supply voltage range make it suitable for various communication and networking systems. However, its limitations in terms of half-duplex communication and external component requirements should be considered when selecting this transceiver for specific applications.