THVD1451DR

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THVD1451DR

+Nomenclature

IC TRANSCEIVER FULL 1/1 8SOIC

  • FabricantTexas Instruments

  • Pièce fabricant #THVD1451DR

  • Package SOP-8

  • En stock2912

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Transceiver
Protocol RS485
NumberofDrivers/Receivers 1/1
Duplex Full
ReceiverHysteresis 30 mV
DataRate 50Mbps
Voltage-Supply 3V ~ 5.5V
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Présentation

Description

The THVD1451DR is a robust RS-485 transceiver developed by Texas Instruments. It is designed for reliable data transmission over long distances and in electrically noisy environments. The device combines a differential line driver and a differential line receiver, making it suitable for multipoint communication on half-duplex networks.
Key features of the THVD1451DR include:
1. Wide Supply Voltage Range: It operates from a wide supply voltage range, allowing for flexibility in various applications.

2. High Data Rates: It supports high data rates up to 50 Mbps, making it ideal for fast data communication needs.
3. Extended Temperature Range: The transceiver is suitable for industrial environments due to its operational temperature range from -40°C to 125°C.
4. Protection Features: It includes built-in protection against over-voltage, electrostatic discharge (ESD), and short circuits, ensuring reliability and durability.
5. Low Power Consumption: The device is designed to consume minimal power, optimizing its use in energy-conscious applications.
Overall, the THVD1451DR is well-suited for applications like industrial automation, building automation, and other systems requiring reliable and efficient serial communication.

Equivalent

The THVD1451DR is a low power, 3.3V RS-485 transceiver. For equivalent or similar products, you can consider:
1. Maxim Integrated MAX3485 - Low power RS-485/RS-422 transceiver.
2. Analog Devices ADM485 - Low power RS-485/RS-422 transceiver.
3. NXP Semiconductors PCA82C250 - High-speed CAN transceiver that can operate at similar data rates.
4. STMicroelectronics ST3485 - Low power RS-485/RS-422 transceiver.
Always verify pinout, voltage, and performance specs before substituting.

Features

The THVD1451DR is a robust RS-485 transceiver designed for reliable data communication. It operates within a voltage range of 3.0V to 5.5V, providing flexibility for various applications. This device can handle data rates up to 50 Mbps, making it suitable for high-speed communication needs.
Key features include:
1. Enhanced ESD Protection: With Electrostatic Discharge (ESD) protection up to ±16kV, it offers increased reliability and safety against voltage surges.
2. Wide Temperature Range: Operating efficiently between -40°C and 125°C, it is ideal for industrial applications.
3. Fail-safe Modes: The device ensures a default high output when the bus is idle, open, or shorted, preventing false data readings.
4. Low Power Consumption: It features a low standby current and includes a shutdown mode to conserve power.
5. Robust Performance: High common-mode transient immunity and differential signal integrity for stable operation in noisy environments.
The THVD1451DR's combination of speed, voltage flexibility, and protection features makes it well-suited for a wide range of industrial and communication applications.

Pinout

The THVD1451DR is a RS-485 transceiver from Texas Instruments. It is designed for data transmission in industrial environments. The device comes in an 8-pin SOIC package. Here is a brief overview of its pin count and functions:
1. Pin 1 - R (Receiver Output): Outputs the received data.
2. Pin 2 - RE̅ (Receiver Enable): Active low input to enable the receiver. When low, the receiver is enabled.
3. Pin 3 - DE (Driver Enable): Active high input to enable the driver. When high, the driver is enabled.
4. Pin 4 - D (Driver Input): Data input for the driver.
5. Pin 5 - GND: Ground reference for the device.
6. Pin 6 - A: Non-inverting receiver input and driver output.
7. Pin 7 - B: Inverting receiver input and driver output.
8. Pin 8 - VCC: Positive supply voltage.
The THVD1451DR features low power consumption, high ESD protection, and operates over a wide temperature range, making it suitable for robust communication in industrial applications.

Manufacturer

The THVD1451DR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components. The company is well-known for its development and manufacturing of analog electronics and embedded processors, which are used in a variety of applications across industries such as automotive, consumer electronics, industrial automation, and communications. TI’s products include microcontrollers, digital signal processors, and integrated circuits for a multitude of electronic devices and systems. The company is recognized for its innovation and contributions to the electronics industry and operates with a strong focus on technology development and research.

Application

The THVD1451DR is a robust RS-485 transceiver commonly used in industrial and commercial applications. It is ideal for long-distance data transmission due to its high ESD protection and wide operating temperature range. Application areas include industrial automation, building automation, process control, and metering systems. Additionally, it is suitable for use in HVAC systems, motor drives, and networked sensors. Its low power consumption makes it a good fit for energy-efficient systems, while its fault protection features ensure reliability in challenging environments.

Package

The THVD1451DR is a part manufactured by Texas Instruments and comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is commonly used for surface-mount devices due to its compact size and ease of assembly on PCBs.

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