仕様
| 属性 | 値 |
| Package | Bulk,Tube |
| ProductStatus | Last Time Buy |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| NumberofDrivers/Receivers | 1/1 |
| Duplex | Half |
| ReceiverHysteresis | 35 mV |
| DataRate | 1Mbps |
| Voltage-Supply | 3V ~ 3.6V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概要
Description
The SN65HVD12D is a robust, low-power differential line transceiver designed for RS-485 and RS-422 communication systems. Manufactured by Texas Instruments, this device is typically used in industrial automation, process control networks, building automation, and other applications requiring reliable data transmission over long distances in electrically noisy environments.
Key features include a wide supply voltage range from 3.3V to 5V, high ESD protection, and the ability to withstand high voltage transients, ensuring durability and consistent performance. It supports data rates up to 32 Mbps, making it suitable for high-speed data transfer needs. The device also offers fail-safe features, which include open, short, and idle bus protection, to maintain the integrity of the communication link even under fault conditions.
The SN65HVD12D comes in a compact SOIC package, making it easy to integrate into tightly constrained spaces. It is designed to meet the requirements of the TIA/EIA-485 standard, ensuring compatibility with a wide range of devices and systems in the field of digital communication.
Key features include a wide supply voltage range from 3.3V to 5V, high ESD protection, and the ability to withstand high voltage transients, ensuring durability and consistent performance. It supports data rates up to 32 Mbps, making it suitable for high-speed data transfer needs. The device also offers fail-safe features, which include open, short, and idle bus protection, to maintain the integrity of the communication link even under fault conditions.
The SN65HVD12D comes in a compact SOIC package, making it easy to integrate into tightly constrained spaces. It is designed to meet the requirements of the TIA/EIA-485 standard, ensuring compatibility with a wide range of devices and systems in the field of digital communication.
Equivalent
The SN65HVD12D is a RS-485 transceiver. Equivalent products include:
1. MAX485 from Maxim Integrated
2. ADM485 from Analog Devices
3. SP485 from Exar (now MaxLinear)
4. LTC485 from Linear Technology (now part of Analog Devices)
5. DS75176B from Texas Instruments
These alternatives offer similar functionalities such as half-duplex communication, differential signaling, and are commonly used in industrial and communication applications. Always check specific datasheets to ensure compatibility with your requirements.
1. MAX485 from Maxim Integrated
2. ADM485 from Analog Devices
3. SP485 from Exar (now MaxLinear)
4. LTC485 from Linear Technology (now part of Analog Devices)
5. DS75176B from Texas Instruments
These alternatives offer similar functionalities such as half-duplex communication, differential signaling, and are commonly used in industrial and communication applications. Always check specific datasheets to ensure compatibility with your requirements.
Features
The SN65HVD12D is a robust RS-485 transceiver designed for high-speed communication in industrial environments. Key features include:
1. Data Rate: Supports data rates up to 10 Mbps, enabling fast data transmission.
2. Supply Voltage: Operates on a single 3.3V supply, making it suitable for low-power applications.
3. Bus Fault Protection: Can withstand bus voltages up to ±15V, enhancing reliability in harsh conditions.
4. Common-Mode Voltage Range: Operates over a wide range of -7V to +12V, ensuring flexibility in various network configurations.
5. Low Power Consumption: Features a low quiescent current of 1 mA in active mode and 1 µA in shutdown mode, optimizing energy efficiency.
6. Enhanced ESD Protection: Offers ±16kV ESD protection on the bus pins, safeguarding against electrostatic discharge damage.
7. Driver and Receiver Enable: Includes separate enable pins for the driver and receiver, allowing for precise control over signal direction.
8. Temperature Range: Operates over an extended temperature range of -40°C to 85°C, suitable for industrial applications.
These features make the SN65HVD12D ideal for reliable and efficient data communication in demanding environments.
1. Data Rate: Supports data rates up to 10 Mbps, enabling fast data transmission.
2. Supply Voltage: Operates on a single 3.3V supply, making it suitable for low-power applications.
3. Bus Fault Protection: Can withstand bus voltages up to ±15V, enhancing reliability in harsh conditions.
4. Common-Mode Voltage Range: Operates over a wide range of -7V to +12V, ensuring flexibility in various network configurations.
5. Low Power Consumption: Features a low quiescent current of 1 mA in active mode and 1 µA in shutdown mode, optimizing energy efficiency.
6. Enhanced ESD Protection: Offers ±16kV ESD protection on the bus pins, safeguarding against electrostatic discharge damage.
7. Driver and Receiver Enable: Includes separate enable pins for the driver and receiver, allowing for precise control over signal direction.
8. Temperature Range: Operates over an extended temperature range of -40°C to 85°C, suitable for industrial applications.
These features make the SN65HVD12D ideal for reliable and efficient data communication in demanding environments.
Pinout
The SN65HVD12D is an 8-pin integrated circuit used for RS-485 communication. It is designed to function as a transceiver, facilitating data transmission and reception over twisted-pair cables in industrial and commercial applications. Below is a brief overview of its pin functions:
1. Pin 1 (R): Receiver Output - Provides the output of the receiver.
2. Pin 2 (RE): Receiver Output Enable - Active-low input to enable or disable the receiver.
3. Pin 3 (DE): Driver Output Enable - Active-high input to enable or disable the driver.
4. Pin 4 (D): Driver Input - Data input for the driver.
5. Pin 5 (GND): Ground - Ground reference for the device.
6. Pin 6 (A): Non-Inverting Driver Output/Receiver Input - Connects to the bus line.
7. Pin 7 (B): Inverting Driver Output/Receiver Input - Connects to the bus line.
8. Pin 8 (VCC): Supply Voltage - Powers the device, typically 3.3V or 5V.
This pin configuration facilitates full-duplex or half-duplex communication, essential for various data transmission requirements in RS-485 networks.
1. Pin 1 (R): Receiver Output - Provides the output of the receiver.
2. Pin 2 (RE): Receiver Output Enable - Active-low input to enable or disable the receiver.
3. Pin 3 (DE): Driver Output Enable - Active-high input to enable or disable the driver.
4. Pin 4 (D): Driver Input - Data input for the driver.
5. Pin 5 (GND): Ground - Ground reference for the device.
6. Pin 6 (A): Non-Inverting Driver Output/Receiver Input - Connects to the bus line.
7. Pin 7 (B): Inverting Driver Output/Receiver Input - Connects to the bus line.
8. Pin 8 (VCC): Supply Voltage - Powers the device, typically 3.3V or 5V.
This pin configuration facilitates full-duplex or half-duplex communication, essential for various data transmission requirements in RS-485 networks.
Manufacturer
The SN65HVD12D is manufactured by Texas Instruments (TI). TI is a global semiconductor company that designs and produces a wide range of semiconductor products. It is known for its work in developing integrated circuits and microprocessors used in various electronics applications, including automotive, industrial, consumer electronics, and communications equipment. Texas Instruments is recognized for its innovation in analog and embedded processing products, making it a key player in the electronics industry.
Application
The SN65HVD12D is a robust RS-485 transceiver designed for reliable communication in industrial and commercial applications. It is commonly used in areas such as factory automation, motor control, HVAC systems, building automation, and surveillance systems. Its features, like high ESD protection and wide common-mode voltage range, make it suitable for harsh environments and long-distance data transmission. Additionally, it is often utilized in networked sensor systems and remote data acquisition setups due to its ability to operate efficiently in multi-node configurations. Its low power consumption and thermal shutdown protection further enhance its applicability in embedded systems and energy-efficient applications.
Package
The SN65HVD12D is a transceiver IC that comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.
