ST26C31BN

Overview

Category: Integrated Circuit (IC)

Use: Line Driver/Receiver

Characteristics: - High-speed CMOS - Compatible with RS-422 and RS-423 standards - Operates from a single 5V power supply - Low power consumption - Wide operating temperature range - Available in DIP and SOIC packages

Package: DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit)

Essence: The ST26C31BN is a high-speed CMOS line driver/receiver IC that is widely used for data communication applications.

Packaging/Quantity: The ST26C31BN is available in both DIP and SOIC packages. It is typically sold in reels of 250 units.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Input Voltage Range: -0.3V to VCC + 0.3V
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Data Rate: Up to 20 Mbps
• Propagation Delay: 10 ns (typical)
• Output Current: ±20 mA

Pin Configuration

The ST26C31BN has a total of 16 pins. Here is the detailed pin configuration:

1. A Output
2. A Input
3. B Output
4. B Input
5. GND (Ground)
6. Y Output
7. Z Output
8. Z Input
9. Y Input
10. VCC (Power Supply)
11. C Output
12. C Input
13. D Output
14. D Input
15. Enable Input
16. Not Used

Functional Features

• Differential Line Driver/Receiver: The ST26C31BN is designed to transmit and receive data over long distances using differential signaling, which provides better noise immunity.
• High-Speed Operation: With a maximum data rate of 20 Mbps, the ST26C31BN is suitable for high-speed communication applications.
• Wide Operating Temperature Range: The IC can operate reliably in a wide temperature range from -40°C to +85°C, making it suitable for various environments.
• Low Power Consumption: The ST26C31BN is designed to minimize power consumption, making it energy-efficient.

Advantages

• High-speed operation allows for fast data transmission.
• Differential signaling provides improved noise immunity.
• Wide operating temperature range enables usage in various environments.
• Low power consumption helps conserve energy.

Disadvantages

• Limited compatibility with other standards apart from RS-422 and RS-423.
• Requires additional external components for proper operation.

Working Principles

The ST26C31BN operates based on the principles of differential signaling. It receives differential input signals and converts them into single-ended output signals. The IC uses internal circuitry to amplify and shape the received signals, ensuring reliable data transmission over long distances.

Application Field Plans

The ST26C31BN is commonly used in various applications, including:

1. Industrial Automation: Used for data communication between sensors, actuators, and control systems in industrial automation processes.
2. Telecommunications: Employed in telecommunication systems for transmitting data over long distances.
3. Networking: Utilized in networking equipment for reliable data transmission between devices.
4. Automotive Electronics: Integrated into automotive electronics systems for communication between different modules and components.

Alternative Models

Here are some alternative models that offer similar functionality to the ST26C31BN:

1. MAX485: A popular RS-485 transceiver IC with similar characteristics and pin configuration.
2. SN75176: Another widely used RS-485 transceiver IC that can be used as an alternative to the ST26C31BN.
3. LTC485: A low-power RS-485 transceiver IC suitable for applications with strict power requirements.

These alternative models can be considered based on specific application requirements and availability.

In conclusion, the ST26C31BN is a high-speed CMOS line driver/receiver IC that offers reliable data transmission over long distances. Its compatibility with RS-422 and RS-423 standards, along with its various features and characteristics, make it suitable for a wide range of applications in different industries.