SN65HVD11D

Product Overview

Category

The SN65HVD11D belongs to the category of integrated circuits (ICs) used in communication systems.

Use

This IC is commonly used for serial communication in industrial applications, specifically in the field of automotive electronics.

Characteristics

• High-speed data transmission: The SN65HVD11D supports data rates up to 1 Mbps, making it suitable for applications requiring fast and reliable communication.
• Robustness: It is designed to withstand harsh industrial environments, with features such as electrostatic discharge (ESD) protection and high electromagnetic interference (EMI) immunity.
• Low power consumption: The IC operates at low power levels, making it energy-efficient and suitable for battery-powered applications.
• Wide supply voltage range: It can operate from a supply voltage as low as 3.3V up to 5V, providing flexibility in various system designs.

Package

The SN65HVD11D is available in a small outline integrated circuit (SOIC) package, which is a surface-mount package with a compact footprint.

Essence

The essence of the SN65HVD11D lies in its ability to facilitate reliable and high-speed serial communication in industrial settings, particularly in automotive electronics.

Packaging/Quantity

The IC is typically packaged in reels or tubes, containing a specific quantity per package. The exact packaging and quantity may vary depending on the manufacturer and distributor.

Specifications

• Data Rate: Up to 1 Mbps
• Supply Voltage Range: 3.3V to 5V
• Operating Temperature Range: -40°C to +125°C
• ESD Protection: ±16 kV (Human Body Model)
• EMI Immunity: Meets ISO 11898-2 requirements

Detailed Pin Configuration

The SN65HVD11D has a total of 8 pins, each serving a specific function:

1. VCC: Power supply input
2. GND: Ground reference
3. TXD: Transmit data output
4. RXD: Receive data input
5. RS: Receiver input/output common mode voltage
6. DE: Driver output enable
7. RE: Receiver output enable
8. VREF: Reference voltage for receiver input threshold

Functional Features

• Differential Bus Interface: The IC supports differential signaling, allowing for noise-immune communication over long distances.
• Fail-Safe Receiver: It includes a fail-safe feature that ensures the receiver outputs a defined logic level when the bus is idle or disconnected.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown circuitry to prevent damage due to excessive temperature.
• Glitch-Free Power-Up/Down: It provides glitch-free power-up and power-down sequencing, preventing transient signals during system startup and shutdown.

Advantages and Disadvantages

Advantages

• High-speed data transmission capability
• Robustness against ESD and EMI
• Low power consumption
• Wide supply voltage range for flexibility in system design

Disadvantages

• Limited to industrial applications, specifically automotive electronics
• Requires additional external components for complete system implementation

Working Principles

The SN65HVD11D operates based on the principles of differential signaling. It transmits and receives data using two complementary signals, where the difference between the voltages represents the information being communicated. This differential approach allows for noise rejection and reliable data transmission over long distances.

Detailed Application Field Plans

The SN65HVD11D finds extensive use in various automotive electronics applications, including: - In-vehicle networks - Body control modules - Engine management systems - Infotainment systems - Climate control systems

Its robustness, high-speed capabilities, and low power consumption make it suitable for these demanding automotive applications.

Detailed and Complete Alternative Models

• SN65HVD10D: Similar to the SN65HVD11D, but with a lower data rate of up to 500 kbps.
• SN65HVD12D: Similar to the SN65HVD11D, but with a higher data rate of up to 2 Mbps.
• SN65HVD13D: Similar to the SN65HVD11D, but with additional features such as bus fault protection and thermal shutdown.

These alternative models offer different specifications and features, allowing designers to choose the most suitable option for their specific application requirements.

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