SN75C198N

Product Overview

Category

SN75C198N belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a line driver and receiver for RS-485 communication systems.

Characteristics

• High-speed data transmission capability
• Low power consumption
• Wide operating voltage range
• Robustness against noise and interference

Package

SN75C198N is available in a 16-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN75C198N lies in its ability to provide reliable and efficient communication between devices in RS-485 networks.

Packaging/Quantity

SN75C198N is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Data Rate: Up to 10 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 1
• Input/Output Type: Differential

Detailed Pin Configuration

1. DE (Driver Enable)
2. A (Non-Inverting Driver Output)
3. B (Inverting Driver Output)
4. GND (Ground)
5. VCC (Supply Voltage)
6. Y (Non-Inverting Receiver Input)
7. Z (Inverting Receiver Input)
8. RE (Receiver Enable)
9. RO (Receiver Output)
10. DI (Driver Input)
11. R (Receiver Output Enable)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)
15. NC (No Connection)
16. NC (No Connection)

Functional Features

• Driver Enable (DE) and Receiver Enable (RE) control pins for flexible operation
• High-speed driver and receiver circuitry for efficient data transmission
• Built-in protection against bus faults and short-circuits
• Wide common-mode voltage range for improved noise immunity

Advantages and Disadvantages

Advantages

• High-speed data transmission capability
• Low power consumption
• Robustness against noise and interference
• Flexible operation with enable control pins

Disadvantages

• Limited to a single channel
• Requires external components for complete RS-485 network implementation

Working Principles

SN75C198N operates based on the RS-485 standard, which uses differential signaling to transmit data over long distances. The driver section amplifies the input signal and converts it into a balanced differential output, while the receiver section receives the differential input and converts it back into a digital signal.

Detailed Application Field Plans

SN75C198N finds applications in various industries where reliable and high-speed communication is required. Some of the common application fields include:

1. Industrial Automation: Used in PLCs (Programmable Logic Controllers), motor control systems, and industrial monitoring equipment.
2. Building Automation: Employed in HVAC (Heating, Ventilation, and Air Conditioning) systems, access control systems, and lighting control systems.
3. Telecommunications: Utilized in networking equipment, such as routers, switches, and modems.
4. Automotive: Integrated into automotive electronics for communication between different vehicle systems.

Detailed and Complete Alternative Models

1. MAX485 - Manufactured by Maxim Integrated, this IC offers similar functionality to SN75C198N.
2. LTC2850 - Produced by Linear Technology, this IC provides enhanced features for RS-485 communication.
3. ADM2485 - Developed by Analog Devices, this IC offers robust isolation capabilities along with RS-485 communication.

Please note that the above list is not exhaustive, and there are several other alternative models available in the market.

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