SN65HVD08PG4

Product Overview

Category

The SN65HVD08PG4 belongs to the category of integrated circuits (ICs) used in communication systems.

Use

This product is primarily used for data transmission and reception in industrial applications, specifically in fieldbus networks.

Characteristics

• Robustness: The SN65HVD08PG4 is designed to withstand harsh industrial environments, making it highly resistant to noise and voltage fluctuations.
• High-speed data transfer: It supports data rates up to 5 Mbps, enabling efficient and reliable communication.
• Low power consumption: This IC is optimized for low power operation, making it suitable for battery-powered devices.
• Wide temperature range: It can operate within a wide temperature range, typically from -40°C to +125°C, ensuring reliability in extreme conditions.

Package

The SN65HVD08PG4 is available in a small-sized package, known as PowerPAD™, which facilitates easy mounting on printed circuit boards (PCBs).

Essence

The essence of this product lies in its ability to provide robust and reliable communication in industrial fieldbus networks.

Packaging/Quantity

The SN65HVD08PG4 is typically packaged in reels containing 2500 units, ensuring convenient handling and distribution.

Specifications

• Supply Voltage Range: 3.3V to 5V
• Data Rate: Up to 5 Mbps
• Operating Temperature Range: -40°C to +125°C
• Number of Pins: 8
• Input/Output Logic Levels: CMOS/TTL compatible

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground connection
3. RO: Receiver output
4. DI: Driver input
5. DE: Driver enable
6. RE: Receiver enable
7. RS: Reserved pin
8. NC: No connection

Functional Features

• Driver and Receiver: The SN65HVD08PG4 integrates both driver and receiver circuits, allowing bidirectional data transmission.
• Differential Signaling: It utilizes differential signaling to improve noise immunity and signal integrity.
• Fail-Safe Receiver: The receiver incorporates a fail-safe feature that ensures a high-level output when the bus is idle or disconnected.
• Thermal Shutdown Protection: In case of excessive temperature, the IC automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages

• Robustness in harsh industrial environments
• High-speed data transfer capability
• Low power consumption
• Wide operating temperature range

Disadvantages

• Limited number of pins for additional functionalities
• Requires external components for complete system integration

Working Principles

The SN65HVD08PG4 operates based on the principles of differential signaling. It transmits data by encoding it as voltage differences between two lines, known as the positive (DI) and negative (DI̅) inputs. The receiver detects these voltage differences and decodes them into digital signals.

Detailed Application Field Plans

The SN65HVD08PG4 finds extensive application in various industrial automation systems, including: 1. Factory Automation: Used in communication networks for controlling and monitoring machinery and equipment. 2. Process Control: Enables reliable data exchange between sensors, actuators, and control systems in industrial processes. 3. Building Automation: Facilitates communication between different building systems, such as HVAC, lighting, and security.

Detailed and Complete Alternative Models

1. MAX485: A popular alternative offering similar functionality and performance.
2. LTC2875: Provides enhanced features like hot-swappable capability and higher data rates.
3. SN75176: Offers compatibility with RS-485 standard and wide supply voltage range.

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