Overview
The SN65HVD3082EDGKR is a half-duplex RS-485 transceiver manufactured by Texas Instruments. This device is designed to meet or exceed the requirements of the TIA/EIA-485A standard, making it suitable for a wide range of industrial communication applications. It operates from a single 5-V supply and is characterized by its low power consumption, high noise immunity, and robust ESD protection. The SN65HVD3082EDGKR is available in an 8-pin VSSOP (DGK) package, making it compact and versatile for various system designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 4.5 to 5.5 | V |
| Data Rate | Up to 200 kbps | - |
| Operating Temperature Range | –40°C to 85°C (–40°C to 105°C for D package) | °C |
| ESD Protection | Up to 15 kV | - |
| Quiescent Current | Typically 0.3 mA | mA |
| Shutdown Current | A few nanoamps | A |
| Package Type | VSSOP (DGK), 8 pins | - |
| Bus Load Capability | 1/8 unit load, up to 256 nodes | - |
Key Features
- Wide Supply Voltage Range: Operates from 4.5V to 5.5V, suitable for various industrial applications.
- Low Power Consumption: Typical quiescent current of 0.3 mA and shutdown current of a few nanoamps, making it ideal for power-sensitive applications.
- High Data Rate Capability: Supports data rates up to 200 kbps, with other variants supporting up to 1 Mbps or 20 Mbps.
- Robust ESD Protection: Provides up to 15 kV of ESD protection, ensuring system reliability in harsh environments.
- Thermal Shutdown Protection: Protects the device from damage due to overheating under high load conditions.
- Fail-Safe Receiver: Ensures the receiver output is in a known state even when the bus is open, shorted, or idle.
- Industry-Standard Footprint: Compatible with the industry-standard SN75176 footprint, facilitating easy integration and replacement.
Applications
- Industrial Automation: Used for reliable data communication between sensors, controllers, and actuators in industrial automation systems.
- Building Automation: Enables communication between various building control systems such as HVAC, lighting, and security.
- Renewable Energy Systems: Utilized in monitoring and control applications for solar inverters, wind turbines, and energy storage systems.
- Automotive Networking: Serves as a reliable communication link for in-vehicle networks, enabling data transfer between electronic control units, sensors, and actuators.
- Security Systems: Used for transmitting data between cameras, sensors, and central monitoring stations in security and surveillance systems.
Q & A
- What is the primary function of the SN65HVD3082EDGKR?
The SN65HVD3082EDGKR is a half-duplex RS-485 transceiver designed for data transmission and reception in industrial communication networks.
- What is the operating temperature range of the SN65HVD3082EDGKR?
The operating temperature range is –40°C to 85°C, with the D package version operating from –40°C to 105°C.
- What is the typical quiescent current of the SN65HVD3082EDGKR?
The typical quiescent current is 0.3 mA.
- How much ESD protection does the SN65HVD3082EDGKR offer?
The device offers up to 15 kV of ESD protection.
- What is the maximum data rate supported by the SN65HVD3082EDGKR?
The SN65HVD3082EDGKR supports data rates up to 200 kbps.
- What type of package is the SN65HVD3082EDGKR available in?
The device is available in an 8-pin VSSOP (DGK) package.
- Is the SN65HVD3082EDGKR compatible with other RS-485 transceivers?
Yes, it is compatible with other RS-485 transceivers from Texas Instruments and has an industry-standard SN75176 footprint.
- What kind of thermal protection does the SN65HVD3082EDGKR have?
The device has thermal shutdown protection to prevent damage from overheating.
- What are some common applications of the SN65HVD3082EDGKR?
Common applications include industrial automation, building automation, renewable energy systems, automotive networking, and security systems.
- Does the SN65HVD3082EDGKR have fail-safe receiver functionality?
Yes, the device has fail-safe receiver functionality to ensure the receiver output is in a known state even when the bus is open, shorted, or idle.
