ST485ECDR

Product Overview

Category

ST485ECDR belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a transceiver for RS-485/RS-422 communication networks.

Characteristics

• Supports data rates up to 20 Mbps.
• Operates over a wide voltage range from 4.5V to 5.5V.
• Provides low power consumption in standby mode.
• Offers high noise immunity and robustness in harsh environments.

Package

ST485ECDR is available in an SO-8 package.

Essence

The essence of ST485ECDR lies in its ability to facilitate reliable and efficient communication between devices in RS-485/RS-422 networks.

Packaging/Quantity

ST485ECDR is typically sold in reels containing a quantity of 2500 units per reel.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Data Rate: Up to 20 Mbps
• Operating Temperature Range: -40°C to +85°C
• Package Type: SO-8

Detailed Pin Configuration

1. A
2. B
3. GND
4. DE
5. RE
6. Y/Z
7. VCC
8. GND

Functional Features

• Differential line driver and receiver for balanced transmission lines.
• Allows half-duplex communication.
• Supports multidrop configurations.
• Provides thermal shutdown protection.
• Enables fail-safe receiver inputs.

Advantages

• High-speed data transmission capability.
• Wide operating voltage range.
• Low power consumption in standby mode.
• Excellent noise immunity and robustness.
• Suitable for industrial applications.

Disadvantages

• Limited to half-duplex communication.
• Requires external components for complete functionality.
• Relatively higher cost compared to some alternatives.

Working Principles

ST485ECDR operates based on the principles of differential signaling. It uses a balanced transmission line to transmit data, which helps in reducing noise interference and improving signal integrity. The transceiver converts the logic levels of the input signals into differential voltages for transmission and vice versa for reception.

Detailed Application Field Plans

ST485ECDR finds applications in various fields, including:

1. Industrial Automation: Used for communication between PLCs, sensors, and actuators in industrial control systems.
2. Building Automation: Enables communication between different building automation devices such as HVAC systems, lighting controls, and access control systems.
3. Automotive Electronics: Facilitates communication between different electronic modules in automotive systems, such as body control modules and engine control units.
4. Instrumentation: Used in test and measurement equipment for reliable data transmission over long distances.
5. Renewable Energy Systems: Enables communication between different components of solar inverters, wind turbines, and energy storage systems.

Detailed and Complete Alternative Models

Some alternative models to ST485ECDR that offer similar functionality include:

1. MAX485
2. SN75176
3. LTC485
4. ADM485
5. SP485

These alternatives can be considered based on specific requirements and compatibility with existing systems.

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