SN75C3243DBR

Product Overview

Category

SN75C3243DBR belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a differential line driver and receiver for RS-485 communication.

Characteristics

• Supports data rates up to 20 Mbps.
• Operates with a supply voltage range of 4.5V to 5.5V.
• Provides a wide common-mode voltage range of -7V to 12V.
• Offers thermal shutdown protection.
• Features low power consumption.

Package

SN75C3243DBR comes in a small-outline package (SOIC) with 16 pins.

Essence

The essence of SN75C3243DBR lies in its ability to transmit and receive data over long distances using the RS-485 protocol.

Packaging/Quantity

SN75C3243DBR is typically sold in reels, with each reel containing 2500 units.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Data Rate: Up to 20 Mbps
• Common-Mode Voltage Range: -7V to 12V
• Operating Temperature Range: -40°C to 85°C
• Package Type: SOIC-16

Detailed Pin Configuration

1. AIN-
2. AIN+
3. GND
4. BOUT+
5. BOUT-
6. VCC
7. RE
8. DE
9. RO
10. DI
11. DLE
12. RLE
13. VCC
14. BOUT-
15. BOUT+
16. GND

Functional Features

• Differential Line Driver and Receiver
• Thermal Shutdown Protection
• Low Power Consumption
• Wide Common-Mode Voltage Range

Advantages and Disadvantages

Advantages

• Supports high data rates up to 20 Mbps.
• Wide common-mode voltage range allows for flexibility in different applications.
• Thermal shutdown protection ensures the IC's safety during operation.
• Low power consumption helps conserve energy.

Disadvantages

• Limited operating temperature range (-40°C to 85°C).
• Requires a supply voltage within the specified range (4.5V to 5.5V).

Working Principles

SN75C3243DBR works by converting the differential signals from the AIN+ and AIN- inputs into single-ended signals at the RO output. It also receives single-ended signals at the DI input and converts them into differential signals at the BOUT+ and BOUT- outputs. The IC uses internal circuitry to amplify and condition the signals, allowing for reliable communication over long distances.

Detailed Application Field Plans

SN75C3243DBR finds applications in various fields, including:

1. Industrial Automation: Used for communication between PLCs, sensors, and actuators in industrial control systems.
2. Building Automation: Enables communication between HVAC systems, lighting controls, and other building automation devices.
3. Automotive: Facilitates communication between different electronic modules in vehicles, such as engine control units and infotainment systems.
4. Telecommunications: Used in networking equipment for long-distance data transmission.
5. Renewable Energy: Enables communication between solar inverters, wind turbines, and monitoring systems.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SN75C3243DBR are:

1. MAX485EESA
2. LTC2850IMS#PBF
3. ADM485EARZ
4. SP3485EN-L/TR
5. ST485BDR

These models offer similar functionality and can be used as replacements depending on specific requirements and availability.

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