ST485ERBDR

Product Overview

Category

ST485ERBDR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for communication purposes in various applications.

Characteristics

• ST485ERBDR is a low-power transceiver designed for RS-485 and RS-422 communication standards.
• It operates with a single 5V power supply, making it suitable for a wide range of applications.
• The device features a high-speed data rate of up to 20 Mbps, enabling efficient data transmission.
• It offers a low standby current consumption, ensuring energy efficiency.
• ST485ERBDR is designed to withstand harsh industrial environments, providing robustness and reliability.

Package

The ST485ERBDR is available in a small outline package (SOIC-8) which facilitates easy integration into circuit designs.

Essence

The essence of ST485ERBDR lies in its ability to enable reliable and efficient communication in industrial applications.

Packaging/Quantity

This product is typically packaged in reels, containing a specified quantity of ICs per reel.

Specifications

• Supply Voltage: 5V
• Data Rate: Up to 20 Mbps
• Standby Current: Low
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-8

Detailed Pin Configuration

The ST485ERBDR has a total of 8 pins arranged as follows:

1. A - Driver Output A
2. B - Driver Output B
3. GND - Ground
4. Y - Receiver Output
5. Z - Receiver Output
6. Vcc - Power Supply
7. RO - Receiver Output Enable
8. DI - Driver Input

Functional Features

• ST485ERBDR provides a differential driver and receiver to facilitate reliable data transmission over long distances.
• It supports half-duplex communication, allowing bidirectional data flow on a single pair of wires.
• The device incorporates fail-safe circuitry, ensuring that the receiver outputs remain in a known state when inputs are open or shorted.
• ST485ERBDR features thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages

• Low-power consumption
• High-speed data transmission
• Robust design for industrial environments
• Fail-safe circuitry for reliable operation

Disadvantages

• Limited to RS-485 and RS-422 communication standards
• Requires external components for complete functionality

Working Principles

ST485ERBDR operates based on the principles of differential signaling. It uses voltage levels between two wires to represent logical states, enabling noise immunity and long-distance communication. The driver section converts logic signals into differential voltages, while the receiver section interprets the received differential voltages back into logic signals.

Detailed Application Field Plans

ST485ERBDR finds applications in various fields, including but not limited to: - Industrial automation - Building automation - Process control systems - Data acquisition systems - Instrumentation - Robotics

Detailed and Complete Alternative Models

Some alternative models to ST485ERBDR include: - MAX485 - SN75176 - LTC485 - ADM485 - SP485

These alternatives offer similar functionality and can be considered as substitutes depending on specific requirements.

Word count: 446 words