MAX1487EESA+TG104

Product Overview

• Category: Integrated Circuit (IC)
• Use: RS-485/RS-422 Transceiver
• Characteristics: High-speed, low-power, half-duplex communication, ESD protection
• Package: SOIC-8
• Essence: MAX1487EESA+TG104 is a transceiver IC designed for RS-485/RS-422 communication. It provides reliable and efficient data transmission in industrial applications.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Data Rate: Up to 2.5Mbps
• Operating Temperature Range: -40°C to +85°C
• ESD Protection: ±15kV Human Body Model (HBM), ±15kV IEC 61000-4-2 Air-Gap Discharge, ±8kV IEC 61000-4-2 Contact Discharge
• Number of Channels: 1
• Interface Type: RS-485, RS-422
• Package Type: SOIC-8

Pin Configuration

The MAX1487EESA+TG104 has the following pin configuration:

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

Functional Features

• Half-duplex communication: Allows transmission and reception of data on a single pair of wires.
• High-speed data transfer: Supports data rates up to 2.5Mbps, enabling fast and efficient communication.
• Low-power consumption: Optimized power management for energy-efficient operation.
• ESD protection: Provides robust protection against electrostatic discharge, ensuring reliable operation in harsh environments.

Advantages and Disadvantages

Advantages: - High-speed data transfer capability - Low-power consumption - ESD protection for enhanced reliability - Compact SOIC-8 package for space-constrained applications

Disadvantages: - Limited to half-duplex communication only - Requires external components for complete functionality

Working Principles

The MAX1487EESA+TG104 is designed to facilitate RS-485/RS-422 communication. It operates in a half-duplex mode, allowing data transmission and reception on a single pair of wires. The DE (Driver Output Enable) and RE (Receiver Output Enable) pins control the direction of data flow. When DE is high and RE is low, the IC functions as a transmitter, sending data from the A and B inputs to the bus. Conversely, when DE is low and RE is high, it operates as a receiver, capturing data from the bus and providing it at the A and B outputs.

Detailed Application Field Plans

The MAX1487EESA+TG104 is widely used in various industrial applications that require reliable and high-speed data communication. Some common application fields include:

1. Industrial Automation: Used in PLCs (Programmable Logic Controllers), SCADA (Supervisory Control and Data Acquisition) systems, and industrial control networks for real-time data exchange.
2. Building Automation: Enables communication between different building automation devices, such as HVAC (Heating, Ventilation, and Air Conditioning) systems, lighting controls, and access control systems.
3. Instrumentation: Facilitates communication between sensors, actuators, and control systems in industrial instrumentation applications.
4. Automotive Systems: Used in automotive networks for communication between various electronic control units (ECUs), such as in-vehicle networking, infotainment systems, and body control modules.

Detailed and Complete Alternative Models

1. MAX485ESA+: Similar to MAX1487EESA+TG104, but without the TG104 suffix. It offers the same functionality and specifications in an SOIC-8 package.
2. SN75176BP: RS-485/RS-422 transceiver IC from Texas Instruments with similar characteristics and pin configuration.
3. LTC2850IMS#PBF: Low-power RS-485 transceiver from Linear Technology with enhanced ESD protection and wide operating temperature range.

These alternative models provide similar functionality and can be considered as replacements for the MAX1487EESA+TG104 based on specific application requirements.

In conclusion, the MAX1487EESA+TG104 is a high-speed RS