THVD1449DR

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THVD1449DR

IC TRANSCEIVER HALF 1/1 8SOIC

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Spécifications

Part Status Active
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

Vue d'ensemble

Description

THVD1449DR is a dual-channel, low-power, voltage-level translator designed for interfacing between devices operating at different voltage levels, typically ranging from 1.2V to 5.5V. This device is particularly useful in applications where communication occurs between low-voltage components, such as microcontrollers and sensors, and higher voltage systems, ensuring safe and reliable data transfer.
Key features of THVD1449DR include its ability to operate with minimal supply current, making it ideal for battery-powered applications. It supports bidirectional translation, meaning signals can be transmitted in both directions without the need for additional components. The device is housed in a compact 8-pin SOIC package, facilitating easy integration into various electronic designs.
Common applications include I2C, SPI, or UART communication in mixed-voltage environments, automotive systems, and portable devices. Overall, THVD1449DR serves as a critical component for enabling effective communication in modern electronic systems.

Features

The THVD1449DR is a high-speed, low-power, 16-channel digital isolator designed for robust communications in industrial applications. Key features include:
1. Isolation Voltage: It offers up to 5 kV isolation, ensuring safety in high-voltage environments.
2. Data Rate: Supports data rates up to 100 Mbps, suitable for high-speed digital signal transmission.
3. Power Supply: Operates with a wide supply voltage range (3.3V to 5V) for flexible integration.
4. Low Power Consumption: Features low static and dynamic power consumption, enhancing energy efficiency.
5. Integrated Protection: Built-in ESD protection (up to ±15 kV) ensures reliability in harsh conditions.
6. Multiple Channels: The 16-channel design allows for versatile interfacing, reducing the need for multiple isolators.
7. Propagation Delay: Fast propagation delay ensures minimal signal distortion and latency.
8. Temperature Range: Designed for operation in extended temperature ranges, suitable for industrial applications.
Overall, the THVD1449DR is ideal for applications requiring reliable data isolation and transmission in challenging environments.

Package

The THVD1449DR is packaged in a VQFN (Very Thin Quad Flat No-lead) with a 32-pin configuration. This package type is designed for compact applications, offering a low profile and efficient thermal performance.

Pinout

The THVD1449DR is a high-speed, low-power differential transceiver designed for RS-485 and RS-422 communication. It features a 16-pin package (TSSOP) with the following pin count and functions:
1. VCC: Power supply
2. GND: Ground
3. A: Positive differential signal
4. B: Negative differential signal
5. Y: Receiver output (for differential input)
6. Z: Receiver output (for differential input)
7. RE: Receiver enable (active low)
8. DE: Driver enable (active high)
9. D: Driver input (for differential output)
10. C: Driver output (not commonly used)
11. NC: No connection (not used)
12. NC: No connection (not used)
13. NC: No connection (not used)
14. NC: No connection (not used)
15. C: Common (for internal usage)
16. NC: No connection (not used)
The device supports data rates up to 20 Mbps and is suitable for long-distance communication applications.

Manufacturer

The THVD1449DR is manufactured by Texas Instruments (TI), a leading American technology company. Texas Instruments specializes in designing and producing semiconductors and various integrated circuits, including analog, digital, and embedded processing products. Established in 1930, the company has a strong focus on innovation and is known for its contributions to the fields of electronics, including calculators, sensors, and wireless communication technologies.
The THVD1449DR is a high-speed, low-power, and isolated data transceiver aimed at industrial applications, particularly in communication protocols like RS-485. TI serves a wide range of industries, including automotive, industrial, and consumer electronics, making it a key player in the semiconductor market.

Application

The THVD1449DR is a high-speed, low-power RS-485/RS-422 transceiver designed for industrial automation, motor control, and communication systems. It is commonly used in applications requiring robust data transmission over long distances, such as factory automation, building automation, and process control. Its features make it suitable for use in harsh environments, enabling reliable communication in various networking and telemetry systems.

Equivalent

The THVD1449DR is a transceiver designed for RS-485 and RS-422 communications. Equivalent products include:
1. MAX1487
2. SN75176
3. LTC2862
4. ADM2483
Always check specific datasheets for compatibility in terms of voltage levels, data rates, and features before substitution.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

Payment Methods

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