SN65HVD20DR

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SN65HVD20DR

+Nomenclature

IC TRANSCEIVER HALF 1/1 8SOIC

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Half
ReceiverHysteresis 130 mV
DataRate 25Mbps
Voltage-Supply 4.5V ~ 5.5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Présentation

Description

The SN65HVD20DR is a robust, high-speed RS-485 transceiver developed by Texas Instruments. It is designed for reliable data transmission in industrial environments. Operating at data rates up to 25 Mbps, it supports both half-duplex and full-duplex communication modes. The device is optimized for low power consumption and features a wide supply voltage range from 4.5V to 5.5V.
Key features include fail-safe receiver inputs for open, short, and idle bus conditions, which help prevent erroneous data. The SN65HVD20DR also incorporates ESD protection and thermal shutdown to enhance durability. Its bus-pin protection is over ±15kV HBM, ensuring high resistance to electrical interference.
The transceiver is suitable for applications such as factory automation, building automation, and process control. Its compact SOIC package allows for space-efficient PCB designs. Additionally, the device is compatible with both 3.3V and 5V logic levels, providing flexibility in system design. Overall, the SN65HVD20DR offers a blend of performance, reliability, and efficiency for various RS-485 communication needs.

Equivalent

The SN65HVD20DR is a robust RS-485 transceiver. Equivalent products include:
1. MAX485 from Maxim Integrated: A low-power RS-485 transceiver.
2. ADM485 from Analog Devices: High-speed transceiver with similar functionalities.
3. SP485 from Sipex/Exar: Basic RS-485 transceiver.
4. TJA1050 from NXP: Though primarily used for CAN, it's noted for similar robustness.
5. ISL3179E from Renesas: Half-duplex RS-485/422 transceiver.
These alternatives vary in specifications, so always verify compatibility with your specific application.

Features

The SN65HVD20DR is a robust, half-duplex RS-485 transceiver designed for reliable data transmission in industrial environments. It supports data rates up to 25 Mbps, making it suitable for high-speed applications. The device operates over a wide supply voltage range of 3 V to 3.6 V, enhancing flexibility in various systems. It features a low power sleep mode to conserve energy and has enhanced ESD protection levels, providing stability against electrostatic discharge.
This transceiver is characterized by its fail-safe receiver for open-circuit, short-circuit, and idle-bus conditions, ensuring reliable communication even under fault conditions. With a wide common-mode input voltage range, it enhances the robustness of network installations. The SN65HVD20DR is specified for operation over a temperature range of -40°C to 85°C, suitable for demanding environments. Additionally, it comes in a small, industry-standard SOIC package, making it easy to integrate into existing designs. Its efficient design and robust features make it ideal for various industrial automation, building automation, and other RS-485 network applications.

Pinout

The SN65HVD20DR is a robust RS-485 transceiver used for communication in industrial environments. It is typically housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin configuration:
1. Pin 1 (RO): Receiver Output - Outputs the data received from the bus.
2. Pin 2 (RE\): Receiver Enable - Active low input to enable or disable the receiver.
3. Pin 3 (DE): Driver Enable - Active high input to enable or disable the driver.
4. Pin 4 (DI): Driver Input - Data input to the driver.
5. Pin 5 (GND): Ground - Ground reference for the device.
6. Pin 6 (A): Non-inverting Driver Output/Receiver Input.
7. Pin 7 (B): Inverting Driver Output/Receiver Input.
8. Pin 8 (VCC): Supply Voltage - Power supply input for the device, typically 3.3V or 5V.
The SN65HVD20DR is known for its low power consumption, high ESD protection, and the ability to handle extended common-mode range and overvoltage protection, making it suitable for a variety of RS-485 applications.

Manufacturer

The SN65HVD20DR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide array of electronic components. They specialize in analog chips and embedded processors, which are used in a broad range of applications across various industries, including automotive, industrial, consumer electronics, communications equipment, and enterprise systems. TI is known for its innovation and extensive product portfolio that supports advanced applications in various technological fields.

Application

The SN65HVD20DR is a robust CAN transceiver often used in areas requiring reliable communication in harsh environments. Key application areas include:
1. Automotive Systems: Facilitates in-vehicle communication networks, such as engine control units and infotainment systems.
2. Industrial Automation: Used in factory automation, process control, and industrial networking for robust data transfer.
3. Building Automation: Supports communication in HVAC systems, elevators, and security systems.
4. Medical Equipment: Enables data communication in diagnostic equipment and patient monitoring systems.
5. Renewable Energy: Used in photovoltaic inverters and wind turbine control systems for efficient energy management.
These applications benefit from its high-speed data transfer and resistance to electrical interference.

Package

The SN65HVD20DR is a transceiver IC used for RS-485 communication. Its package type is SOIC (Small Outline Integrated Circuit) with 8 pins, specifically designated as "DR" which refers to the standard SOIC-8 package with specific dimensions outlined by Texas Instruments.