Overview
The SN65HVD1473DR, produced by Texas Instruments, is a 3.3-V full-duplex RS-485 transceiver that offers high reliability and robust performance in harsh operating environments. This device is part of the SN65HVD147x family, known for its exceptional ESD protection and wide operating temperature range. It combines a differential driver and a differential receiver, operating from a single 3.3-V power supply, making it suitable for various industrial and commercial applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | -0.5 | 5 | V | |
| Input Voltage at any bus pin | -7 | 12 | V | |
| High-level input voltage (VIH) | 2 | VCC | V | |
| Low-level input voltage (VIL) | 0 | 0.8 | V | |
| Differential input voltage (VID) | -12 | 12 | V | |
| Output current, Driver (IO) | -60 | 60 | mA | |
| Output current, Receiver (IO) | -8 | 8 | mA | |
| Differential load resistance (RL) | 54 | 60 | Ω | |
| Differential load capacitance (CL) | 50 | pF | ||
| Signaling rate | 20 Mbps | |||
| Operating free-air temperature (TA) | -40 | 125 | °C | |
| Junction Temperature (TJ) | 170 | °C | ||
| Quiescent Supply Current (ICC) | 750 | 1100 | µA |
Key Features
- High ESD protection: ±16-kV IEC61000-4-2 contact discharge and > ±30-kV HBM ESD protection.
- 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 of 10 nA typical.
- 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.
- Signaling rate options: 20 Mbps for the SN65HVD1473 model.
- Support for up to 256 nodes on the bus.
- Bus I/O protection and wide common-mode voltage range.
Applications
- Industrial Automation
- Encoders and Decoders
- Building Automation
- Security and Surveillance Networks
- Telecommunications
Q & A
- What is the operating temperature range of the SN65HVD1473DR?
The operating temperature range is from –40°C to 125°C.
- What is the signaling rate of the SN65HVD1473DR?
The signaling rate is up to 20 Mbps.
- What level of ESD protection does the SN65HVD1473DR offer?
The device offers ±16-kV IEC61000-4-2 contact discharge and > ±30-kV HBM ESD protection.
- How many nodes can be supported on the bus with the SN65HVD1473DR?
Up to 256 nodes can be supported on the bus.
- What is the quiescent supply current of the SN65HVD1473DR during operation?
The quiescent supply current is less than 1.1 mA.
- Is the SN65HVD1473DR compatible with 5-V logic inputs?
Yes, it is compatible with 5-V logic inputs.
- What is the typical standby supply current of the SN65HVD1473DR?
The typical standby supply current is 10 nA.
- Does the SN65HVD1473DR have glitch-free power-up and power-down protection?
Yes, it has glitch-free power-up and power-down protection for hot-plugging applications.
- What are the common applications of the SN65HVD1473DR?
Common applications include industrial automation, encoders and decoders, building automation, security and surveillance networks, and telecommunications.
- What package options are available for the SN65HVD1473DR?
The device is available in both SOIC and MSOP packages.
