Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Transceiver |
| Protocol | RS485 |
| NumberofDrivers/Receivers | 1/1 |
| Duplex | Half |
| ReceiverHysteresis | 30 mV |
| DataRate | 50Mbps |
| Voltage-Supply | 3V ~ 5.5V |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount, Wettable Flank |
| Package/Case | 8-VDFN Exposed Pad |
Overview
Description
The THVD1450DRBR is a robust RS-485 transceiver designed by Texas Instruments. It is commonly used in industrial communication systems and can support data rates up to 50 Mbps. This device is built to handle harsh environments, offering protection features such as ESD protection and a wide operating temperature range. The transceiver supports half-duplex communication and is suitable for applications that require reliable data transmission over long distances, such as factory automation and building automation systems.
Key features include a low differential output voltage for reduced power consumption, fail-safe operation to prevent data errors when the bus is idle, and a small footprint package for space-constrained designs. Additionally, it has a robust noise immunity and can operate on a single 3.3V supply, making it highly versatile for various electronic applications. The THVD1450DRBR's reliability and efficiency make it a popular choice for engineers looking to implement RS-485 communication in their projects.
Key features include a low differential output voltage for reduced power consumption, fail-safe operation to prevent data errors when the bus is idle, and a small footprint package for space-constrained designs. Additionally, it has a robust noise immunity and can operate on a single 3.3V supply, making it highly versatile for various electronic applications. The THVD1450DRBR's reliability and efficiency make it a popular choice for engineers looking to implement RS-485 communication in their projects.
Equivalent
The THVD1450DRBR is a RS-485 transceiver. Equivalent products include:
1. SN65HVD1780 by Texas Instruments
2. MAX485 by Maxim Integrated
3. ADM485 by Analog Devices
4. LTC485 by Linear Technology
5. SP485 by Sipex (now part of MaxLinear)
These products offer similar functionality, such as differential signaling for RS-485 communication, and may differ slightly in specifications like data rate, voltage range, and power consumption. Always check the datasheet for compatibility with your specific application.
1. SN65HVD1780 by Texas Instruments
2. MAX485 by Maxim Integrated
3. ADM485 by Analog Devices
4. LTC485 by Linear Technology
5. SP485 by Sipex (now part of MaxLinear)
These products offer similar functionality, such as differential signaling for RS-485 communication, and may differ slightly in specifications like data rate, voltage range, and power consumption. Always check the datasheet for compatibility with your specific application.
Features
The THVD1450DRBR is a robust RS-485 transceiver well-suited for industrial and commercial applications. It features a low power consumption design with a wide operating voltage range from 3 V to 5.5 V, making it versatile in various systems. This transceiver supports data rates up to 50 Mbps, ensuring high-speed data communication. Its enhanced ESD protection, up to ±30 kV, provides reliable operation in harsh environments. The device includes fail-safe mechanisms such as open, short, and idle bus protection, enhancing communication reliability.
The THVD1450DRBR also offers a low electromagnetic interference (EMI) design, helping to maintain signal integrity. Its robust performance is complemented by its ability to operate over an extended temperature range of -40°C to 125°C, catering to various industrial needs. The device is available in a space-saving SOIC package, making it suitable for compact designs. Overall, the THVD1450DRBR is ideal for applications requiring high-speed, reliable data transmission in demanding environments.
The THVD1450DRBR also offers a low electromagnetic interference (EMI) design, helping to maintain signal integrity. Its robust performance is complemented by its ability to operate over an extended temperature range of -40°C to 125°C, catering to various industrial needs. The device is available in a space-saving SOIC package, making it suitable for compact designs. Overall, the THVD1450DRBR is ideal for applications requiring high-speed, reliable data transmission in demanding environments.
Pinout
The THVD1450DRBR is a transceiver IC from Texas Instruments, specifically designed for RS-485 communication. It typically features an 8-pin configuration. Here is a brief overview of the pin functions:
1. D (Driver Input): This pin is for serial data input that the driver will transmit to the bus.
2. RE (Receiver Enable): This active-low pin controls the enabling of the receiver; when low, the receiver is on.
3. DE (Driver Enable): This pin is used to enable the driver; when high, the driver is active.
4. R (Receiver Output): This pin outputs the received data from the bus.
5. A (Bus Line A): A non-inverting bus line for data transmission.
6. B (Bus Line B): An inverting bus line for data transmission.
7. GND: Ground reference for the transceiver.
8. VCC: Supply voltage pin.
The THVD1450DRBR is designed to operate with a wide supply voltage range and offers robust protection features for reliable data transmission in industrial environments.
1. D (Driver Input): This pin is for serial data input that the driver will transmit to the bus.
2. RE (Receiver Enable): This active-low pin controls the enabling of the receiver; when low, the receiver is on.
3. DE (Driver Enable): This pin is used to enable the driver; when high, the driver is active.
4. R (Receiver Output): This pin outputs the received data from the bus.
5. A (Bus Line A): A non-inverting bus line for data transmission.
6. B (Bus Line B): An inverting bus line for data transmission.
7. GND: Ground reference for the transceiver.
8. VCC: Supply voltage pin.
The THVD1450DRBR is designed to operate with a wide supply voltage range and offers robust protection features for reliable data transmission in industrial environments.
Manufacturer
The THVD1450DRBR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide variety of analog and embedded processing chips. These products are used in electronics across a broad range of industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is known for its innovation in semiconductor technology and has a significant impact on various sectors through its extensive portfolio of products that include microcontrollers, digital signal processors, sensors, and more. The company focuses heavily on research and development to maintain its position as a leader in the electronics and semiconductor space.
Application
The THVD1450DRBR is a robust, low-power RS-485/RS-422 transceiver used in industrial applications. Its key application areas include:
1. Industrial Automation: Facilitates reliable communication in factory automation systems and programmable logic controllers (PLCs).
2. Building Automation: Enhances communication in HVAC systems, security systems, and lighting controls.
3. Smart Grids and Energy: Used in metering applications and communication between distributed energy resources.
4. Transportation: Supports data communication in railway signaling and control systems.
5. Telecommunications: Offers efficient data transmission in network infrastructure.
Its wide operating temperature range and high ESD protection make it suitable for harsh environments.
1. Industrial Automation: Facilitates reliable communication in factory automation systems and programmable logic controllers (PLCs).
2. Building Automation: Enhances communication in HVAC systems, security systems, and lighting controls.
3. Smart Grids and Energy: Used in metering applications and communication between distributed energy resources.
4. Transportation: Supports data communication in railway signaling and control systems.
5. Telecommunications: Offers efficient data transmission in network infrastructure.
Its wide operating temperature range and high ESD protection make it suitable for harsh environments.
Package
The THVD1450DRBR is a differential RS-485/RS-422 transceiver. Its package type is a SON (Small Outline No-lead) with 8 pins, also known as WSON (Very Thin Small Outline No-lead Package). The specific dimensions of this package are typically 3.00 mm x 3.00 mm.
