Overview
The SN65HVD1477DGKR is a part of the SN65HVD147x family of full-duplex RS-485 transceivers produced by Texas Instruments. These devices are designed for robust and reliable data transmission in various industrial and commercial applications. The SN65HVD1477DGKR operates at a signaling rate of up to 50 Mbps and is characterized by its high ESD protection, extended industrial temperature range, and low power consumption. It is available in a small-footprint MSOP package, making it suitable for space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 3.0 to 3.6 | V |
| Signaling Rate | Up to 50 Mbps | |
| Operating Temperature Range | –40°C to 125°C | °C |
| ESD Protection | ±16 kV IEC61000-4-2 Contact Discharge, ±30 kV HBM | |
| Quiescent Current (ICC) | 750 µA to 1100 µA | µA |
| Standby Current | < 5 µA | µA |
| Differential Load Resistance (RL) | 54 Ω to 60 Ω | Ω |
| Differential Load Capacitance (CL) | 50 pF | pF |
| Package Type | MSOP-8 |
Key Features
- High ESD protection: ±16 kV IEC61000-4-2 contact discharge and ±30 kV HBM.
- 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 (< 5 µA).
- 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 SN65HVD1477.
- Supports up to 256 nodes on the bus.
Applications
- Industrial Automation
- Encoders and Decoders
- Building Automation
- Security and Surveillance Networks
- Telecommunications
Q & A
- What is the maximum signaling rate of the SN65HVD1477DGKR?
The SN65HVD1477DGKR supports a signaling rate of up to 50 Mbps.
- What is the operating temperature range of the SN65HVD1477DGKR?
The operating temperature range is –40°C to 125°C.
- What level of ESD protection does the SN65HVD1477DGKR offer?
The device offers ±16 kV IEC61000-4-2 contact discharge and ±30 kV HBM ESD protection.
- What is the quiescent current of the SN65HVD1477DGKR during operation?
The quiescent current is less than 1.1 mA.
- Does the SN65HVD1477DGKR require external enabling pins?
No, the SN65HVD1477DGKR does not require external enabling pins.
- What is the maximum number of nodes supported on the bus by the SN65HVD1477DGKR?
The device supports up to 256 nodes on the bus.
- What package type is the SN65HVD1477DGKR available in?
The SN65HVD1477DGKR is available in an MSOP-8 package.
- Is the SN65HVD1477DGKR compatible with 5-V logic inputs?
- What is the typical standby current of the SN65HVD1477DGKR?
The typical standby current is less than 5 µA.
- Does the SN65HVD1477DGKR provide glitch-free power-up and power-down protection?
