SN65HVD22DRG4

Product Overview

• Category: Integrated Circuit
• Use: Transceiver
• Characteristics: High-speed, low-power, half-duplex communication
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Transceiver for RS-485/RS-422 communication
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 3 V to 5.5 V
• Data Rate: Up to 20 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 1
• Receiver Input Hysteresis: 50 mV
• ESD Protection: ±15 kV (Human Body Model)

Detailed Pin Configuration

The SN65HVD22DRG4 has a total of 8 pins:

1. A - Driver Output A
2. B - Driver Output B
3. GND - Ground
4. RE - Receiver Enable
5. DE - Driver Enable
6. VCC - Power Supply
7. BIAS - Bias Resistor Connection
8. Y - Receiver Output

Functional Features

• Half-Duplex Communication: Allows transmission and reception on a single communication line.
• High-Speed Data Transfer: Supports data rates up to 20 Mbps, enabling fast and efficient communication.
• Low-Power Operation: Designed to consume minimal power, making it suitable for battery-powered applications.
• Robust Communication: Provides excellent noise immunity and ESD protection, ensuring reliable data transmission in harsh environments.

Advantages and Disadvantages

Advantages: - High-speed data transfer capability - Low-power consumption - Robust communication in noisy environments - ESD protection for enhanced reliability

Disadvantages: - Limited to half-duplex communication only - Requires external bias resistors for proper operation

Working Principles

The SN65HVD22DRG4 is a transceiver designed for RS-485/RS-422 communication. It operates in a half-duplex mode, allowing transmission and reception on a single communication line. The driver section converts the logic-level signals into differential voltage signals suitable for long-distance transmission. The receiver section converts the received differential signals back into logic-level signals.

Detailed Application Field Plans

The SN65HVD22DRG4 is widely used in various applications that require reliable and high-speed communication over long distances. Some of the common application fields include:

1. Industrial Automation: Used in industrial control systems to enable communication between different devices and sensors.
2. Building Automation: Enables communication between various building automation systems, such as HVAC, lighting, and security systems.
3. Automotive Electronics: Used in automotive applications for communication between different electronic modules within a vehicle.
4. Renewable Energy Systems: Facilitates communication between components in solar power systems, wind turbines, and energy storage systems.
5. Telecommunication Infrastructure: Used in networking equipment to establish reliable communication links over long distances.

Detailed and Complete Alternative Models

1. MAX485 - Similar functionality and specifications, available in DIP and SOIC packages.
2. LTC2862 - Low-power RS-485 transceiver with integrated ESD protection.
3. SN75176 - RS-485 transceiver with wide supply voltage range and low quiescent current.

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