MAX1487EPA+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: RS-485/RS-422 Transceiver
• Characteristics: High-speed, low-power, half-duplex communication
• Package: 8-pin DIP (Dual In-line Package)
• Essence: Provides a robust and reliable interface for long-distance serial communication
• Packaging/Quantity: Available in tubes or reels, quantity varies based on supplier

Specifications

• Supply Voltage: 4.75V to 5.25V
• Data Rate: Up to 2.5 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Drivers/Receivers: 1 driver, 1 receiver
• Driver Output Current: ±60mA
• Receiver Input Voltage Range: ±12V
• Shutdown Mode: Low power consumption when not in use

Pin Configuration

The MAX1487EPA+ has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | DE | Driver Enable | | 2 | /RE | Receiver Enable | | 3 | A | Non-Inverting Driver Output | | 4 | B | Inverting Driver Output | | 5 | Y | Receiver Output | | 6 | Z | Receiver Output | | 7 | GND | Ground | | 8 | VCC | Supply Voltage |

Functional Features

• Supports RS-485 and RS-422 standards
• Allows half-duplex communication over long distances
• Provides high data rates up to 2.5 Mbps
• Features thermal shutdown protection
• Offers fail-safe receiver inputs for open, shorted, or terminated lines
• Supports multidrop configurations with up to 32 transceivers on the bus

Advantages and Disadvantages

Advantages: - High-speed communication capability - Low power consumption - Robust and reliable performance - Wide operating temperature range - Fail-safe receiver inputs ensure data integrity

Disadvantages: - Limited to half-duplex communication - Requires external components for full functionality - Relatively small package size may require careful handling during assembly

Working Principles

The MAX1487EPA+ is a transceiver IC designed for RS-485/RS-422 communication. It utilizes differential signaling to transmit and receive data over long distances. The driver section converts logic-level signals into balanced differential voltages, while the receiver section converts differential voltages back into logic-level signals. This allows for noise-immune communication and enables reliable data transmission in industrial environments.

Detailed Application Field Plans

The MAX1487EPA+ is commonly used in various applications, including: 1. Industrial automation systems 2. Building automation and control networks 3. HVAC (Heating, Ventilation, and Air Conditioning) systems 4. Security systems 5. Data acquisition and control systems 6. Instrumentation and measurement equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the MAX1487EPA+ are: - SN75176B - RS-485 Transceiver - ADM485 - Half-Duplex RS-485 Transceiver - LTC2850 - Low Power RS-485 Transceiver - SP3485 - Full-Duplex RS-485 Transceiver

These alternative models offer similar functionality and can be suitable replacements based on specific requirements.

In conclusion, the MAX1487EPA+ is a highly versatile RS-485/RS-422 transceiver IC. Its high-speed communication, low power consumption, and robust performance make it an ideal choice for various industrial applications.