The THVD1450DR is a high-performance industrial RS485 transceiver designed by Luminary Micro/Texas Instruments, specifically engineered for robust communication in challenging industrial control environments. This specialized semiconductor device enables reliable half-duplex data transmission at impressive speeds up to 50 Mbps, making it ideal for industrial automation, networking, and communication systems that require stable signal integrity.
Engineered with advanced transceiver technology, the device addresses critical design challenges in communication interfaces by providing exceptional signal management. Its robust architecture supports operation across an extended temperature range of -40°C to 125°C, ensuring consistent performance in extreme industrial conditions. The transceiver is powered by a flexible supply voltage range of 3V to 5.5V, offering broad compatibility with various system architectures.
Key technical highlights include a single driver/receiver configuration, 30 mV receiver hysteresis for noise immunity, and surface mount packaging in an 8-SOIC format. The component's compact design allows for efficient integration into space-constrained electronic systems while maintaining high reliability. Its RoHS compliance further underscores its suitability for modern electronic manufacturing standards.
Primary advantages include high-speed data transmission, wide operating temperature tolerance, flexible voltage support, and excellent signal conditioning capabilities. The transceiver is particularly well-suited for industrial control systems, process automation, building management networks, and communication equipment requiring robust RS485 interface solutions.
Equivalent or alternative models in the same product category include Texas Instruments' THVD1450, SN65HVD1050, and MAX3485, which offer similar half-duplex RS485 transceiver functionalities with comparable performance characteristics. The device's broad applicability and proven design make it a versatile solution for engineers seeking reliable communication interface components.
THVD1450DR Key Technical Attributes
Manufacturer Part Number: THVD1450DR
Supplier Device Package: 8-SOIC
Data Rate: 50Mbps
THVD1450DR Packing Size
The THVD1450DR is supplied in a standard 8-SOIC (Small Outline Integrated Circuit) package, which features a width of 3.90mm and a lead pitch typically associated with industry-standard SOIC footprints. The encapsulation code is 1136, ensuring secure protection of the semiconductor die and stability during handling and mounting. The package offers surface mount capability, making it suitable for automated assembly processes. Thermal performance is enhanced by the package’s moderate surface area, while electrical performance is robust thanks to carefully designed pin mapping that supports both driver and receiver functionalities in a half-duplex configuration.
THVD1450DR Application
The THVD1450DR, manufactured by Luminary Micro/Texas Instruments, is primarily targeted for use in industrial control systems where robust and reliable RS-485 communication is required. It is suitable for networks that demand error-resilient, long-distance data communication, making it ideal for programmable logic controllers (PLCs), motor drives, building automation, sensor and actuator networking, and other automation solutions.
THVD1450DR Features
This device is a half-duplex, differential transceiver supporting data rates up to 50Mbps, perfectly catering to moderate-to-high speed industrial communication needs. It integrates one driver and one receiver, thus supporting bidirectional but not simultaneous communication on a single twisted pair. The voltage supply operates in a versatile range from 3V to 5.5V, providing design flexibility with various logic families. With a receiver hysteresis of 30 mV, the transceiver offers improved noise immunity, helping to ensure reliable data transmission even in electrically noisy industrial environments. The extended operating temperature range from -40°C to 125°C guarantees dependable performance in harsh industrial climates. The device is compliant with RS485 protocol standards and supports both high-impedance and fail-safe operating modes, further enhancing communications reliability.
THVD1450DR Quality and Safety Features
This transceiver is engineered for durability and resilience in mission-critical industrial settings. Its robust industrial temperature range indicates enhanced internal construction and reliable material usage. The RoHS status indicates pending qualification or inventory verification, which aligns with ongoing adherence to global safety and environmental standards. The device’s protocol-level support for fail-safe features safeguards against bus contention and erroneous data transmission, adding to system safety.
THVD1450DR Compatibility
The THVD1450DR is protocol-compatible with other RS-485/RS-422 devices, facilitating easy integration into existing serial communication infrastructure. Its 8-SOIC package ensures physical compatibility with standard PCB footprint designs for SOIC-8, enabling drop-in replacement or design-in for both new and legacy systems. Its voltage range supports mixed-voltage environments.
THVD1450DR Datasheet PDF
We offer the most authoritative and up-to-date Datasheet PDF for the THVD1450DR on our website. For accurate technical details, recommended application circuits, and in-depth specifications, customers are strongly encouraged to download the datasheet directly from this product page.
Quality Distributor
IC-Components is a premium and trusted distributor for Luminary Micro/Texas Instruments products. With a reputation built on reliability, extensive inventory, and fast delivery, we encourage customers to request a quote today on our IC-Components website for the best pricing and guaranteed authenticity for the THVD1450DR and related RS-485 transceivers.






