Overview
The SN65HVD1473D, manufactured by Texas Instruments, is a robust 3.3V full-duplex RS-485 transceiver designed for high-speed data communication in industrial environments. This component is part of the SN65HVD147x series, known for its exceptional electrostatic discharge (ESD) protection and reliability in harsh conditions. The SN65HVD1473D is particularly suitable for applications requiring long-distance communication and noise immunity, making it a preferred choice for industrial automation, building automation, and telecommunications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 3.3 | V | |
| Data Rate | 20 | Mbps | |
| ESD Protection | ±16 | kV | IEC 61000-4-2 contact discharge |
| Operating Temperature | -40 to 125 | °C | |
| Package | SOIC-14 | ||
| Receiver Hysteresis | 70 | mV | For noise immunity |
| Standby Current | <5 | µA | Maximum |
Key Features
- High ESD protection: ±16kV IEC 61000-4-2 contact discharge and >±30kV HBM.
- Wide operating temperature range: -40°C to 125°C, ensuring reliability in harsh environments.
- Full-duplex communication with independent driver and receiver pins.
- Large receiver hysteresis (70mV) for enhanced noise immunity.
- Low standby current (<5µA), ideal for power-sensitive applications.
Applications
The SN65HVD1473D is widely used in industrial automation for connecting sensors, actuators, and controllers over long distances. It is also employed in building automation systems for reliable communication between devices. In telecommunications, this transceiver ensures high-speed data transfer with minimal noise interference. Its robust design makes it suitable for security and surveillance networks, where reliability is critical.
Q & A
1. What is the operating voltage of the SN65HVD1473D?
The SN65HVD1473D operates at a supply voltage of 3.3V.
2. What is the maximum data rate supported by this transceiver?
It supports a maximum data rate of 20Mbps.
3. How does the SN65HVD1473D handle ESD protection?
It provides ±16kV IEC 61000-4-2 contact discharge and >±30kV HBM ESD protection.
4. What is the operating temperature range of this device?
The operating temperature range is -40°C to 125°C.
5. What package does the SN65HVD1473D come in?
It is available in an SOIC-14 package.
6. How does the receiver hysteresis improve performance?
The 70mV receiver hysteresis enhances noise immunity, ensuring reliable communication in noisy environments.
7. What is the standby current of the SN65HVD1473D?
The standby current is less than 5µA.
8. Can this transceiver be used in full-duplex communication?
Yes, it supports full-duplex communication with independent driver and receiver pins.
9. What are typical applications of the SN65HVD1473D?
Typical applications include industrial automation, building automation, and telecommunications.
10. Is the SN65HVD1473D suitable for long-distance communication?
Yes, its robust design and wide common-mode voltage range make it ideal for long-distance communication.
