SN65LBC174N

Product Overview

Category

The SN65LBC174N belongs to the category of integrated circuits (ICs) specifically designed for communication and networking applications.

Use

This IC is commonly used for data transmission over long distances in various industrial and automotive applications.

Characteristics

• High-speed differential line driver and receiver
• Supports data rates up to 20 Mbps
• Operates with a wide supply voltage range of 4.5V to 5.5V
• Provides robust noise immunity and common-mode rejection
• Low power consumption
• Designed for reliable operation in harsh environments

Package

The SN65LBC174N is available in a standard 8-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN65LBC174N lies in its ability to transmit and receive data reliably over long distances, while maintaining high-speed performance and noise immunity.

Packaging/Quantity

This IC is typically packaged in tubes or reels, containing a quantity of 50 or 250 units per package.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Data Rate: Up to 20 Mbps
• Operating Temperature Range: -40°C to +85°C
• Input/Output Logic Levels: CMOS/TTL compatible
• Package Type: 8-pin DIP or SOIC

Detailed Pin Configuration

The SN65LBC174N has the following pin configuration:

1. VCC - Power supply voltage input
2. GND - Ground reference
3. RO - Receiver output
4. RE - Receiver enable input
5. DE - Driver enable input
6. DI - Driver input
7. D - Driver output
8. NC - No connection

Functional Features

• Differential Line Driver: Converts digital signals into differential voltage signals for transmission.
• Differential Line Receiver: Converts received differential voltage signals back into digital signals.
• Enable Inputs: Allows control of the driver and receiver functions.
• Noise Immunity: Provides robust noise rejection, ensuring reliable data transmission in noisy environments.
• Common-Mode Rejection: Minimizes common-mode noise interference for improved signal integrity.

Advantages and Disadvantages

Advantages

• High-speed data transmission capability
• Wide supply voltage range allows flexibility in various applications
• Robust noise immunity ensures reliable operation in harsh environments
• Low power consumption for energy-efficient designs

Disadvantages

• Limited data rate compared to some newer ICs
• Requires additional external components for complete communication system implementation

Working Principles

The SN65LBC174N operates based on the principles of differential signaling. It uses a balanced pair of signals to transmit data over long distances, which helps in reducing noise interference and improving signal integrity. The driver converts digital signals into differential voltage signals, while the receiver performs the reverse conversion. The enable inputs allow control of the driver and receiver functions, enabling efficient data transmission.

Detailed Application Field Plans

The SN65LBC174N finds extensive use in various industrial and automotive applications, including:

1. Industrial Automation: Used for data transmission between sensors, actuators, and control systems in factory automation.
2. Automotive Electronics: Enables reliable communication between different electronic modules in vehicles, such as engine control units, airbag systems, and infotainment systems.
3. Building Automation: Facilitates communication between different building management systems, such as HVAC (Heating, Ventilation, and Air Conditioning) controls, lighting controls, and security systems.
4. Communication Infrastructure: Supports data transmission in networking equipment, such as routers, switches, and repeaters.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN65LBC174N include:

1. MAX485 - A popular RS-485 transceiver IC with similar characteristics and pin configuration.
2. LTC2862 - Another high-speed differential line driver and receiver IC suitable for industrial applications.
3. ADM2483 - An isolated RS-485 transceiver IC with enhanced noise immunity and protection features.

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

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