The SN65HVD179D from Texas Instruments is a robust, 3.3-V half-duplex RS-485 transceiver designed to operate in demanding industrial environments. It is a member of the SN65HVD17x series, which are known for their reliability and performance in applications requiring differential data transmission. This particular model is optimized for balanced data transmission and is compliant with the TIA/EIA-485A standard.
Key Features
- Bus-Pin ESD Protection: The SN65HVD179D offers an impressive 16 kV Human Body Model (HBM) protection, ensuring robustness against electrostatic discharges.
- Extended Common-Mode Range: It features a common-mode voltage range of -7V to 12V, which exceeds the industry standard of -7V to 7V, providing reliable data transmission over longer distances and in noisy environments.
- Thermal Shutdown Protection: The device includes a thermal shutdown feature that prevents damage from overheating. If the internal temperature exceeds a safe threshold, the driver is disabled until the temperature drops to a normal range.
- Low Power Consumption: With a low standby current of 1 µA, the SN65HVD179D is suitable for power-sensitive applications.
- High Data Rates: It supports data rates up to 50 Mbps, making it ideal for high-speed data communication.
Applications
The SN65HVD179D is designed for balanced transmission lines and is suitable for a variety of applications, including:
- Industrial Control Networks
- Building Automation
- Networked Security Systems
- Factory Automation
Package and Quality
The device is available in an 8-pin SOIC package, which is compact and suitable for space-constrained applications. Texas Instruments is committed to high standards of quality and reliability, and the SN65HVD179D is no exception, ensuring long-term performance in your application.