Overview
The SN65HVD1471DGKR, part of the SN65HVD147x family, is a 3.3-V full-duplex RS-485 transceiver produced by Texas Instruments. This device is designed for robust and reliable data transmission in various industrial and commercial applications. It features high ESD protection, including ±16-kV IEC61000-4-2 contact discharge and > ±30-kV HBM ESD protection, making it suitable for harsh operating environments. The SN65HVD1471DGKR operates from a single 3.3-V power supply and is available in an 8-pin MSOP package, offering a compact footprint for space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 3.0 to 3.6 | V |
| Signaling Rate | Up to 400 kbps | |
| Operating Temperature Range | –40°C to 125°C | °C |
| ESD Protection | ±16-kV IEC61000-4-2 Contact Discharge, > ±30-kV HBM | |
| Quiescent Current | < 1.1 mA | mA |
| Standby Supply Current | 10 nA (typical), < 5 µA (maximum) | A |
| Package Type | 8-Pin MSOP (DGK) | |
| Body Size | 3.00 mm × 3.00 mm | mm |
Key Features
- Up to 256 nodes on the bus, with 1/8 unit-load options available.
- Bus I/O protection: ±30 kV HBM, ±16 kV IEC61000-4-2 contact discharge, and ±4 kV IEC61000-4-4 fast transient burst.
- Extended industrial temperature range: –40°C to 125°C.
- Large receiver hysteresis (70 mV) for noise rejection.
- Low power consumption: < 1.1 mA quiescent current during operation and low standby supply current.
- Glitch-free power-up and power-down protection for hot-plugging applications.
- 5-V tolerant logic inputs compatible with 3.3-V or 5-V controllers.
- No external enabling pins required for the SN65HVD1471.
Applications
- Industrial Automation
- Encoders and Decoders
- Building Automation
- Security and Surveillance Networks
- Telecommunications
Q & A
- What is the operating voltage range of the SN65HVD1471DGKR?
The operating voltage range is 3.0 to 3.6 V.
- What is the maximum signaling rate of the SN65HVD1471DGKR?
The maximum signaling rate is up to 400 kbps.
- What is the operating temperature range of the SN65HVD1471DGKR?
The operating temperature range is –40°C to 125°C.
- What level of ESD protection does the SN65HVD1471DGKR offer?
The device offers ±16-kV IEC61000-4-2 contact discharge and > ±30-kV HBM ESD protection.
- What is the quiescent current of the SN65HVD1471DGKR during operation?
The quiescent current is less than 1.1 mA.
- What is the standby supply current of the SN65HVD1471DGKR?
The standby supply current is 10 nA (typical) and less than 5 µA (maximum).
- In what package is the SN65HVD1471DGKR available?
The device is available in an 8-pin MSOP (DGK) package.
- What are the key applications of the SN65HVD1471DGKR?
The key applications include industrial automation, encoders and decoders, building automation, security and surveillance networks, and telecommunications.
- Does the SN65HVD1471DGKR require external enabling pins?
No, the SN65HVD1471 does not require external enabling pins.
- What is the significance of the large receiver hysteresis in the SN65HVD1471DGKR?
The large receiver hysteresis (70 mV) provides immunity to conducted differential noise.
