SN75C1167N

Product Overview

Category

The SN75C1167N belongs to the category of integrated circuits (ICs) and specifically falls under the family of RS-485/RS-422 transceivers.

Use

This product is commonly used for communication in industrial automation, building automation, and other applications requiring robust and reliable data transmission over long distances.

Characteristics

• High noise immunity
• Low power consumption
• Wide operating temperature range
• ESD protection
• Half-duplex communication

Package

The SN75C1167N is available in a small-outline integrated circuit (SOIC) package, which provides ease of handling and integration into various electronic systems.

Essence

The essence of the SN75C1167N lies in its ability to facilitate long-distance communication with high reliability and noise immunity, making it suitable for demanding industrial environments.

Packaging/Quantity

This product is typically supplied in reels containing a specific quantity, such as 2500 units per reel, ensuring convenient handling and storage.

Specifications

• Supply Voltage: 3.3V
• Data Rate: Up to 20 Mbps
• Operating Temperature Range: -40°C to 85°C
• Number of Channels: 1
• Interface Type: RS-485/RS-422

Detailed Pin Configuration

The SN75C1167N features a standard pin configuration with clearly defined pins for power supply, data input/output, and control signals. The detailed pinout is as follows:

| Pin No. | Name | Description | |---------|------------|--------------------------| | 1 | VCC | Power supply voltage | | 2 | A | Non-inverting data input | | 3 | B | Inverting data input | | 4 | GND | Ground | | 5 | /RE | Receiver enable | | 6 | DE | Driver enable | | 7 | Y | Data output | | 8 | Z | Data output |

Functional Features

• Differential signaling for noise immunity
• Receiver and driver enable control
• Short-circuit and thermal protection
• Low quiescent current for power efficiency

Advantages

• Robust communication in noisy industrial environments
• Wide operating temperature range for versatility
• Low power consumption for energy-efficient designs
• Integrated protection features for enhanced reliability

Disadvantages

• Limited to half-duplex communication
• Requires external termination resistors for optimal performance

Working Principles

The SN75C1167N operates on the principles of differential signaling, where data transmission occurs as the voltage difference between two signal lines. This allows the device to effectively reject common-mode noise and interference, ensuring reliable communication over long cable runs.

Detailed Application Field Plans

The SN75C1167N is well-suited for a wide range of applications, including: - Industrial automation systems - Building automation and control - Motor control and drive systems - HVAC (Heating, Ventilation, and Air Conditioning) systems - Renewable energy systems

Detailed and Complete Alternative Models

• MAX485: Offers similar functionality with low-power operation
• LTC1480: Provides high-speed data rates and low EMI emissions
• ADM2483: Features integrated isolation for enhanced noise immunity

In conclusion, the SN75C1167N serves as a reliable and efficient solution for long-distance data communication in demanding industrial and automation applications, offering robust performance and essential protection features.

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