Overview
The SN65HVD1471DGK is a 3.3-V full-duplex RS-485 transceiver manufactured by Texas Instruments. This device is designed to provide reliable communication in harsh operating environments. It features integrated surge protection, on-chip termination resistors, and slew rate control, making it suitable for a variety of industrial and automotive applications. The transceiver offers high immunity to conducted differential noise and supports data rates up to 400 kbps.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage Supply | 3.3 V |
| Data Rate | Up to 400 kbps |
| Operating Temperature | -40°C to 125°C |
| ESD Protection | 16 kV IEC |
| Package Type | 8-VSSOP |
| Termination Resistor | On-chip 120Ω |
| Slew Rate Control | Yes |
Key Features
The SN65HVD1471DGK boasts several key features that make it a robust and reliable choice for RS-485 applications. These include:
- Integrated Surge Protection: Achieved through the integration of TVS diodes, providing enhanced protection against electrical surges.
- On-Chip Termination Resistor: A 120Ω termination resistor is integrated on the chip, simplifying the design and reducing the need for external components.
- Slew Rate Control: This feature helps in reducing electromagnetic interference (EMI) and ensures smoother signal transitions.
- High Immunity to Conducted Differential Noise: The large receiver hysteresis provides immunity to conducted differential noise, ensuring reliable data transmission in noisy environments.
Applications
The SN65HVD1471DGK is versatile and can be used in a variety of applications, including:
- Industrial Automation: Suitable for use in industrial control systems, sensors, and actuators due to its robustness and reliability in harsh environments.
- Automotive Systems: Can be used in automotive networks and communication systems where high reliability and ESD protection are critical.
- Building Automation: Ideal for use in building control systems, such as HVAC and lighting control, where reliable communication is essential.
Q & A
- What is the voltage supply range for the SN65HVD1471DGK?
The SN65HVD1471DGK operates at a voltage supply of 3.3 V. - What is the maximum data rate supported by the SN65HVD1471DGK?
The device supports data rates up to 400 kbps. - What is the operating temperature range for the SN65HVD1471DGK?
The operating temperature range is -40°C to 125°C. - Does the SN65HVD1471DGK have built-in ESD protection?
Yes, it has 16 kV IEC ESD protection. - What type of package does the SN65HVD1471DGK come in?
The device comes in an 8-VSSOP package. - Does the SN65HVD1471DGK have an on-chip termination resistor?
Yes, it has an on-chip 120Ω termination resistor. - What is the purpose of slew rate control in the SN65HVD1471DGK?
Slew rate control helps in reducing electromagnetic interference (EMI) and ensures smoother signal transitions. - Why is the SN65HVD1471DGK suitable for industrial applications?
It is suitable due to its high immunity to conducted differential noise and wide operating temperature range, making it reliable in harsh environments. - Can the SN65HVD1471DGK be used in automotive systems?
Yes, it can be used in automotive systems due to its robustness and ESD protection. - What are some common applications of the SN65HVD1471DGK?
Common applications include industrial automation, automotive systems, and building automation.
