MAX1487ESA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX1487ESA+ is a low-power, slew-rate-limited RS-485/RS-422 transceiver. It is designed to facilitate long-distance communication in industrial environments.

Characteristics: - Low power consumption - Slew-rate limited for improved signal integrity - Supports half-duplex communication - Wide supply voltage range: 4.75V to 5.25V - High data rate: up to 2.5Mbps

Package: The MAX1487ESA+ is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence: This transceiver allows reliable and efficient data transmission over long distances in industrial applications.

Packaging/Quantity: The MAX1487ESA+ is typically sold in reels of 2500 units.

Specifications

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

Detailed Pin Configuration

The MAX1487ESA+ has the following pin configuration:

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

Functional Features

• Slew-Rate Limited: The MAX1487ESA+ incorporates slew-rate limiting to minimize electromagnetic interference and improve signal integrity.
• Half-Duplex Communication: It supports half-duplex communication, allowing data transmission in both directions but not simultaneously.
• Low Power Consumption: The transceiver is designed to operate with low power consumption, making it suitable for battery-powered applications.
• Wide Supply Voltage Range: It can operate within a supply voltage range of 4.75V to 5.25V, providing flexibility in various applications.

Advantages and Disadvantages

Advantages: - Improved signal integrity due to slew-rate limiting - Low power consumption - Wide supply voltage range allows for versatile use - Suitable for long-distance communication in industrial environments

Disadvantages: - Limited to half-duplex communication only - Not suitable for high-speed applications above 2.5Mbps

Working Principles

The MAX1487ESA+ transceiver operates by converting the electrical signals from an RS-485/RS-422 compatible device into a format suitable for long-distance transmission. It incorporates slew-rate limiting to minimize signal distortion and electromagnetic interference. The transceiver enables reliable data communication over long distances in industrial environments.

Detailed Application Field Plans

The MAX1487ESA+ is commonly used in various industrial applications, including: 1. Factory Automation Systems 2. Process Control Systems 3. Building Automation Systems 4. Industrial Robotics 5. HVAC (Heating, Ventilation, and Air Conditioning) Systems

Detailed and Complete Alternative Models

1. SN75176B - RS-485 Transceiver

   • Category: Integrated Circuits (ICs)
   • Use: RS-485 Communication
   • Characteristics: Low power consumption, wide supply voltage range, high data rate
   • Package: SOIC-8

2. MAX485CPA+ - RS-485/RS-422 Transceiver

   • Category: Integrated Circuits (ICs)
   • Use: RS-485/RS-422 Communication
   • Characteristics: Low power consumption, slew-rate limited, half-duplex communication
   • Package: PDIP-8

3. LTC485 - RS-485 Transceiver

   • Category: Integrated Circuits (ICs)
   • Use: RS-485 Communication
   • Characteristics: Low power consumption, wide supply voltage range, high data rate
   • Package: SSOP-20

These alternative models offer similar functionality and can be used as substitutes for the MAX1487ESA+ in various applications.

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