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THVD1451DR is a high-performance RS-485/RS-422 transceiver in an SOIC-8 package, designed for industrial automation, process control, instrumentation, and other applications. The chip supports data transfer rates of up to 50 Mbps and features ±18 kV IEC ESD protection, making it suitable for long-distance communication in harsh electromagnetic environments.

THVD1451DR Key Features

Communication Protocol Support

RS-485 (multi-point communication) & RS-422 (point-to-point communication).

1/8 unit load, supporting up to 256 bus nodes.

Signal Integrity Optimisation

Differential signal transmission to suppress common-mode noise.

30mV receiver hysteresis to enhance interference resistance.

Protection Mechanisms

Short-circuit protection to prevent output damage.

Overvoltage protection (-18V to 18V) to enhance system safety.

Flexible Power Supply

Wide voltage input range of 3V to 5.5V, compatible with 3.3V/5V systems.

THVD1451DR Key Parameters

Data rate: Up to 50Mbps

Supply voltage: 3V to 5.5V

ESD protection: ±18kV (IEC 61000-4-2 contact discharge)

Common-mode voltage range: ±15V

Package: SOIC-8

Operating temperature: -40°C to +125°C

Standby current: <1µA (standby mode)

Driver/receiver count: 1/1

Product Applications

• Motor drivers

• Factory automation and control

• Grid infrastructure

• Building automation

• HVAC systems

• Video surveillance

• Process analysis

• Wireless infrastructure

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.