MAX487ECPA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX487ECPA+ belongs to the category of integrated circuits (ICs) specifically designed for communication and signal transmission purposes.

Use

This product is commonly used in various applications that require reliable and robust communication over long distances. It is particularly suitable for industrial automation, process control systems, and other similar environments.

Characteristics

• High-speed data transmission: The MAX487ECPA+ supports data rates up to 2.5 Mbps, making it ideal for time-sensitive applications.
• Low power consumption: This IC is designed to operate efficiently with low power requirements, ensuring energy efficiency in the system.
• ESD protection: The MAX487ECPA+ incorporates built-in electrostatic discharge (ESD) protection, safeguarding the circuit from potential damage caused by static electricity.
• Wide supply voltage range: It can operate within a wide voltage range, typically between 4.75V and 5.25V, providing flexibility in different system configurations.

Package and Quantity

The MAX487ECPA+ is available in an 8-pin plastic dual in-line package (PDIP). It is commonly sold in reels or tubes, with a typical quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• Data Rate: Up to 2.5 Mbps
• Operating Temperature Range: -40°C to +85°C
• Package Type: 8-pin PDIP

Pin Configuration

The MAX487ECPA+ features the following pin configuration:

```

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| | --| VCC GND |-- Pin 1: Power Supply (VCC) --| RO RE |-- Pin 2: Receiver Output (RO) --| RE DE |-- Pin 3: Receiver Enable (RE) / Driver Enable (DE) --| DI DE |-- Pin 4: Driver Input (DI) / Driver Enable (DE) --| DE A |-- Pin 5: Driver Enable (DE) / Transmitter Output (A) --| B Y |-- Pin 6: Receiver Input (B) / Transmitter Output (Y) --| A Z |-- Pin 7: Transmitter Input (A) / Receiver Output (Z) --| Z GND |-- Pin 8: Receiver Output (Z) / Ground (GND) |___________| ```

Functional Features

The MAX487ECPA+ offers the following functional features:

• Half-duplex communication: It supports half-duplex communication, allowing data transmission in both directions but not simultaneously.
• Enhanced noise immunity: The IC incorporates internal filtering and shielding techniques to minimize the impact of external noise sources, ensuring reliable data transmission.
• Short-circuit protection: It includes short-circuit protection on the driver outputs, preventing damage to the IC in case of a fault condition.
• Low standby current: The MAX487ECPA+ consumes minimal power in standby mode, reducing overall power consumption.

Advantages and Disadvantages

Advantages

• High-speed data transmission capability
• Wide supply voltage range for compatibility with various systems
• Built-in ESD protection for enhanced reliability
• Low power consumption for energy efficiency
• Short-circuit protection for added safety

Disadvantages

• Limited to half-duplex communication only
• Requires additional components for full-duplex operation

Working Principles

The MAX487ECPA+ operates based on the principles of differential signaling. It uses a balanced line driver and receiver to transmit and receive data over a single twisted-pair cable. The differential signaling technique provides excellent noise immunity and allows for reliable communication over long distances.

Detailed Application Field Plans

The MAX487ECPA+ finds extensive application in various fields, including:

1. Industrial Automation: It is widely used in industrial automation systems to enable reliable communication between different devices, such as sensors, actuators, and controllers.
2. Process Control Systems: The IC plays a crucial role in process control systems, facilitating the exchange of data between different components, ensuring smooth operation and monitoring.
3. Building Automation: In building automation applications, the MAX487ECPA+ enables communication between various subsystems, such as HVAC (Heating, Ventilation, and Air Conditioning), lighting control, and security systems.
4. Automotive Electronics: It is utilized in automotive electronics for communication between different modules, such as engine control units, transmission control units, and body control modules.

Detailed and Complete Alternative Models

• MAX485ECPA+: This IC is similar to the MAX487ECPA+ but offers a lower data rate of up to 2.5 Mbps. It is suitable for applications that do not require high