Overview
The Texas Instruments SN65HVD55DG4 is a high-performance, full-duplex RS-485 transceiver designed for reliable and efficient communication over long distances. This device supports both RS422 and RS485 protocols, making it versatile for various applications. It operates with a supply voltage range of 4.5V to 5.5V and is characterized for operation from –40°C to 85°C, ensuring robust performance in harsh environments. The SN65HVD55DG4 features high noise immunity and reliability, making it an essential component in data acquisition, industrial control, telecommunications, and automation systems.
Key Specifications
| Type | Value |
|---|---|
| Transceiver | Full-Duplex |
| Protocol | RS422, RS485 |
| Number of Drivers/Receivers | 1/1 |
| Receiver Hysteresis | 50 mV |
| Data Rate | Up to 1 Mbps |
| Voltage - Supply | 4.5 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Bus-pin ESD Protection | Exceeds 15 kV HBM |
| Standby Current | < 1 µA |
Key Features
- Full-duplex operation with 1 driver and 1 receiver
- Supports RS422 and RS485 protocols
- Operating temperature range: –40°C to 85°C
- Supply voltage range: 4.5V to 5.5V
- High-speed data transfer up to 1 Mbps
- Noise immunity and reliability
- Surface-mount package (14-SOIC)
- Bus-pin ESD protection exceeds 15 kV HBM
- Low-current standby mode (< 1 µA)
- Glitch-free power-up and power-down bus I/Os
- Bus idle, open, and short circuit failsafe
Applications
- Data acquisition systems
- Industrial control systems
- Telecommunications equipment
- Automation and process control systems
Q & A
- What protocols does the SN65HVD55DG4 support? The SN65HVD55DG4 supports both RS422 and RS485 protocols.
- What is the operating temperature range of the SN65HVD55DG4? The operating temperature range is –40°C to 85°C.
- What is the supply voltage range for the SN65HVD55DG4? The supply voltage range is 4.5V to 5.5V.
- What is the maximum data transfer rate of the SN65HVD55DG4? The maximum data transfer rate is up to 1 Mbps.
- What type of package does the SN65HVD55DG4 come in? The SN65HVD55DG4 comes in a 14-SOIC package.
- Does the SN65HVD55DG4 have ESD protection? Yes, it has bus-pin ESD protection that exceeds 15 kV HBM.
- What is the standby current of the SN65HVD55DG4? The standby current is less than 1 µA.
- Is the SN65HVD55DG4 suitable for harsh noise environments? Yes, it provides additional noise margin, making it suitable for harsh noise environments.
- What are some common applications of the SN65HVD55DG4? Common applications include data acquisition systems, industrial control systems, telecommunications equipment, and automation and process control systems.
- Is the SN65HVD55DG4 RoHS compliant? Yes, the SN65HVD55DG4 is RoHS compliant.
