ST485XN

Product Overview

Category

ST485XN belongs to the category of integrated circuits (ICs).

Use

The ST485XN IC is commonly used for communication purposes in various applications.

Characteristics

• High-speed data transmission
• Low power consumption
• Robustness and reliability
• Wide operating voltage range

Package

ST485XN is available in a compact and durable package, ensuring easy handling and protection against external factors.

Essence

The essence of ST485XN lies in its ability to facilitate efficient and reliable communication between different devices.

Packaging/Quantity

ST485XN is typically packaged in reels or tubes, with varying quantities depending on the supplier. Common packaging options include 1000 units per reel or tube.

Specifications

• Operating Voltage Range: 3.0V to 5.5V
• Data Rate: Up to 20 Mbps
• Number of Pins: 8
• Temperature Range: -40°C to +85°C
• ESD Protection: ±15 kV (Human Body Model)

Detailed Pin Configuration

1. A
2. B
3. GND
4. Y
5. Z
6. Vcc
7. RO
8. DI

Functional Features

• Differential bus transceiver
• Compatible with RS-485 and RS-422 standards
• Allows half-duplex communication
• Supports multi-point networks
• Built-in fail-safe receiver
• Thermal shutdown protection

Advantages

• High-speed data transmission enables quick and efficient communication.
• Low power consumption ensures energy efficiency.
• Robustness and reliability make it suitable for harsh environments.
• Wide operating voltage range allows compatibility with various systems.

Disadvantages

• Limited to half-duplex communication only.
• Requires additional components for full-duplex operation.
• May not be suitable for applications requiring extremely high data rates.

Working Principles

ST485XN operates based on the principles of differential signaling. It transmits and receives data using a balanced pair of signals, which helps in noise rejection and improves signal integrity.

Detailed Application Field Plans

ST485XN finds extensive use in various industries and applications, including:

1. Industrial Automation: Used for communication between PLCs, sensors, and actuators in industrial control systems.
2. Building Automation: Enables communication between different devices in smart buildings, such as HVAC systems, lighting controls, and security systems.
3. Automotive Electronics: Facilitates communication between different electronic modules in vehicles, including engine control units, infotainment systems, and body control modules.
4. Renewable Energy Systems: Used for data transmission in solar power plants, wind farms, and other renewable energy installations.
5. Home Automation: Enables communication between different smart home devices, such as thermostats, door locks, and surveillance cameras.

Detailed and Complete Alternative Models

1. MAX485: Similar to ST485XN, it offers compatibility with RS-485 and RS-422 standards.
2. SN75176: Another popular choice for differential bus transceivers, widely used in industrial applications.
3. LTC2850: Offers higher data rates and extended temperature range compared to ST485XN, suitable for demanding environments.

Note: This is not an exhaustive list; there are several alternative models available in the market.

In conclusion, ST485XN is a versatile integrated circuit that provides reliable and efficient communication capabilities. Its robustness, low power consumption, and wide operating voltage range make it suitable for various applications across different industries. However, its limitation to half-duplex communication and moderate data rates should be considered when selecting the appropriate model for specific requirements.