Overview
The SN65HVD75DR is a robust 3.3-V half-duplex RS-485 transceiver manufactured by Texas Instruments. This device is designed for demanding industrial applications, featuring a single driver and a single receiver that operate from a single 3.3-V power supply. It is compatible with both RS-422 and RS-485 communication protocols and supports data transmission speeds up to 20 Mbps. The transceiver is characterized by its extended industrial temperature range of –40°C to 125°C, making it suitable for a wide range of environments.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC (D) with 8 pins |
| Operating Temperature Range | –40°C to 125°C |
| Supply Voltage | 3V to 3.6V |
| Data Rate | Up to 20 Mbps |
| Duplex Mode | Half-duplex |
| Receiver Hysteresis | 80 mV |
| ESD Protection | ±15 kV HBM, ±12 kV IEC 61000-4-2 Contact Discharge, ±4 kV IEC 61000-4-4 Fast Transient Burst |
| Quiescent Current | < 1 mA during operation, < 2 µA in standby |
| Logic Input Compatibility | 5-V tolerant, compatible with 3.3-V or 5-V controllers |
Key Features
- Small-size VSSOP and SOIC packages for board space savings and drop-in compatibility
- Bus I/O protection with high levels of ESD protection (±15 kV HBM, ±12 kV IEC 61000-4-2 Contact Discharge, ±4 kV IEC 61000-4-4 Fast Transient Burst)
- Extended industrial temperature range of –40°C to 125°C
- Large receiver hysteresis (80 mV) for improved noise immunity
- Low unit-loading allows over 200 connected nodes
- Low power consumption with quiescent current < 1 mA during operation and < 2 µA in standby
- 5-V tolerant logic inputs compatible with 3.3-V or 5-V controllers
- Signaling rate options optimized for 250 kbps, 20 Mbps, and 50 Mbps
- Glitch-free power-up and power-down bus inputs and outputs
Applications
- Industrial networks and automation systems
- Building automation and control systems
- Telecommunications and backhaul data transmission
- Data acquisition systems
- Security and surveillance systems
- Audio and video systems requiring high-speed data transmission
- Transportation and logistics, including vehicle communication systems
- Renewable energy systems such as solar panels and wind turbines
- Robotics and drones for real-time control and feedback loops
Q & A
- What is the operating temperature range of the SN65HVD75DR?
The operating temperature range is –40°C to 125°C.
- What are the compatible communication protocols for the SN65HVD75DR?
The device is compatible with both RS-422 and RS-485 communication protocols.
- What is the maximum data transmission speed of the SN65HVD75DR?
The maximum data transmission speed is up to 20 Mbps.
- What type of ESD protection does the SN65HVD75DR offer?
The device offers ±15 kV HBM, ±12 kV IEC 61000-4-2 Contact Discharge, and ±4 kV IEC 61000-4-4 Fast Transient Burst ESD protection.
- How many nodes can be connected using the SN65HVD75DR?
The device allows over 200 connected nodes due to its low unit-loading.
- What is the quiescent current of the SN65HVD75DR during operation and in standby?
The quiescent current is less than 1 mA during operation and less than 2 µA in standby.
- Is the SN65HVD75DR compatible with 5-V logic inputs?
Yes, the device has 5-V tolerant logic inputs compatible with 3.3-V or 5-V controllers.
- What are the signaling rate options for the SN65HVD75DR?
The signaling rate options are optimized for 250 kbps, 20 Mbps, and 50 Mbps.
- Does the SN65HVD75DR support glitch-free power-up and power-down?
Yes, the device supports glitch-free power-up and power-down bus inputs and outputs.
- What are some typical applications of the SN65HVD75DR?
Typical applications include industrial networks, building automation, telecommunications, data acquisition systems, security and surveillance, audio and video systems, transportation and logistics, renewable energy systems, and robotics and drones.
