THVD1449DR
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Texas Instruments THVD1449DR

Manufacturer No:
THVD1449DR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
3.3-V TO 5-V, 12-MBPS, RS-485 TR
Delivery:
Payment:
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iso45001
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Product Introduction

Overview

The THVD1449DR is a high-performance RS-485 transceiver produced by Texas Instruments. Designed for robust communication in industrial and automotive applications, this component offers reliable data transmission with integrated surge protection. Its market positioning targets engineers and developers working on long-distance communication systems, particularly in harsh environments. The THVD1449DR stands out for its wide supply voltage range, low power consumption, and enhanced ESD protection, making it a competitive choice for modern communication designs.

Key Specifications

ParameterValueUnitNotes
ManufacturerTexas Instruments--
Product CategoryRS-485 Transceiver--
Installation StyleSMD/SMT--
Package/CaseSOIC-8--
Data Rate250kb/s-
Number of Drivers1--
Number of Receivers1--
DuplexHalf Duplex--
Supply Current3.5mA-
ESD Protection4kV-
Input Voltage3.3 to 5V-
Operating Supply Voltage3.3 to 5V-

Key Features

  • Integrated 4kV surge protection for enhanced reliability in noisy environments.
  • Wide supply voltage range (3.3V to 5V) for flexible system integration.
  • Low power consumption with a supply current of 3.5mA, ideal for energy-efficient designs.
  • Half-duplex communication for bidirectional data transmission.
  • Robust ESD protection up to 4kV, ensuring durability in harsh conditions.

Applications

The THVD1449DR is widely used in industrial automation, automotive electronics, and long-distance communication systems. Its robust design makes it suitable for applications such as factory automation, motor control, and building management systems. In automotive contexts, it is employed in vehicle communication networks, ensuring reliable data transfer even in electrically noisy environments. Additionally, its surge protection and wide voltage range make it ideal for use in renewable energy systems and smart grid infrastructure.

Q & A

1. What is the operating voltage range of the THVD1449DR?

The THVD1449DR operates within a voltage range of 3.3V to 5V.

2. Does the THVD1449DR support full-duplex communication?

No, the THVD1449DR supports half-duplex communication.

3. What is the maximum data rate supported by this transceiver?

The maximum data rate is 250 kb/s.

4. Is the THVD1449DR suitable for automotive applications?

Yes, its robust design and ESD protection make it ideal for automotive communication systems.

5. What is the ESD protection level of the THVD1449DR?

It provides ESD protection up to 4kV.

6. Can the THVD1449DR be used in industrial environments?

Yes, its surge protection and wide voltage range make it suitable for industrial applications.

7. What is the package type of the THVD1449DR?

It comes in an SOIC-8 package.

8. Does the THVD1449DR require external protection components?

No, it integrates surge protection, eliminating the need for external components.

9. What is the typical supply current of the THVD1449DR?

The typical supply current is 3.5mA.

10. Is the THVD1449DR compatible with TIA/EIA-485A standards?

Yes, it is fully compliant with TIA/EIA-485A standards.

Product Attributes

Type:Transceiver
Protocol:RS485
Number of Drivers/Receivers:1/1
Duplex:Half
Receiver Hysteresis:250 mV
Data Rate:250kbps
Voltage - Supply:3V ~ 5.5V
Operating Temperature:-40°C ~ 125°C (TA)
Mounting Type:Surface Mount
Package / Case:8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SOIC
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Similar Products

Part Number THVD1449DR THVD1449VDR THVD1419DR THVD1429DR THVD1439DR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active
Type Transceiver Transceiver Transceiver Transceiver Transceiver
Protocol RS485 RS485 RS485 RS485 RS485
Number of Drivers/Receivers 1/1 1/1 1/1 1/1 1/1
Duplex Half Half Half Half Half
Receiver Hysteresis 250 mV 250 mV 30 mV 30 mV 250 mV
Data Rate 250kbps 12Mbps 250kbps 20Mbps 250kbps
Voltage - Supply 3V ~ 5.5V 3V ~ 5.5V 3V ~ 5.5V 3V ~ 5.5V 3V ~ 5.5V
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC

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