SN65LBC176AQDR

Product Overview

Category: Integrated Circuit (IC)

Use: The SN65LBC176AQDR is a high-speed differential line driver and receiver designed for balanced transmission lines. It is commonly used in industrial automation, telecommunications, and automotive applications.

Characteristics: - High-speed data transmission - Differential signaling for noise immunity - Wide operating voltage range - Low power consumption - Robust design for harsh environments

Package: The SN65LBC176AQDR is available in a small outline package (SOIC) with 16 pins.

Essence: This IC serves as a reliable interface between digital systems and balanced transmission lines, ensuring accurate and efficient data transfer.

Packaging/Quantity: The SN65LBC176AQDR is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Data Rate: Up to 20 Mbps
• Operating Temperature Range: -40°C to +85°C
• Input Common-Mode Voltage Range: -7V to +12V
• Output Voltage Swing: ±3.5V
• Quiescent Current: 10 mA (typical)

Pin Configuration

The SN65LBC176AQDR has the following pin configuration:

1 VCC 2 AOUTB 3 AOUTA 4 GND 5 BOUTA 6 BOUTB 7 REFA 8 REFB 9 DE 10 DI 11 RO 12 VCC 13 BINA 14 BINB 15 GND 16 VCC

Functional Features

• Differential Line Driver: Converts digital signals into balanced differential signals for transmission over long distances.
• Differential Line Receiver: Converts received differential signals back into digital signals for further processing.
• Built-in Protection: Provides protection against electrostatic discharge (ESD) and bus faults, ensuring reliable operation in challenging environments.
• Enable/Disable Control: Allows the user to enable or disable the driver/receiver functionality as needed.

Advantages

• High-Speed Data Transmission: The SN65LBC176AQDR supports data rates of up to 20 Mbps, enabling fast and efficient communication.
• Noise Immunity: Differential signaling minimizes the impact of noise and interference, ensuring reliable data transfer even in noisy environments.
• Wide Operating Voltage Range: The IC can operate within a wide voltage range, making it suitable for various applications.
• Low Power Consumption: The SN65LBC176AQDR is designed to consume minimal power, contributing to energy efficiency in systems.

Disadvantages

• Limited Pin Configuration: The IC has a fixed pin configuration, which may not be compatible with all system designs.
• External Components Required: Additional external components, such as resistors and capacitors, may be needed for proper circuit implementation.

Working Principles

The SN65LBC176AQDR operates based on the principles of differential signaling. It uses two complementary signals, A and B, to represent digital information. These signals are transmitted differentially over a balanced transmission line, which helps reject common-mode noise.

The driver section converts the digital input signals (DI) into differential output signals (AOUTA and AOUTB), while the receiver section converts the received differential signals (BINA and BINB) back into digital output signals (RO).

Detailed Application Field Plans

The SN65LBC176AQDR finds application in various fields, including:

1. Industrial Automation: Used for communication between control systems, sensors, and actuators in industrial automation processes.
2. Telecommunications: Enables reliable data transmission in telecommunication networks, such as Ethernet and RS-485.
3. Automotive: Facilitates communication between different electronic modules within vehicles, ensuring efficient data exchange.

Detailed and Complete Alternative Models

1. SN65LBC176AQDG4: Similar to SN65LBC176AQDR but available in a different package (SOIC-8).
2. MAX485E: A compatible alternative from Maxim Integrated with similar features and performance.
3. LTC2862: Another alternative from Linear Technology offering differential line driver/receiver functionality.

These alternative models provide similar capabilities and can be considered based on specific application requirements.

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