Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| NumberofDrivers/Receivers | 1/1 |
| Duplex | Full |
| ReceiverHysteresis | 50 mV |
| DataRate | 30Mbps |
| Voltage-Supply | 4.75V ~ 5.25V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Tổng quan
Description
The SN65LBC179ADR is a differential line transceiver designed for high-speed data communication over long distances. It is part of the Texas Instruments product lineup and is engineered to support RS-485 and RS-422 communication standards, which are widely used in industrial applications. This device operates on a single 5V supply and is capable of handling data rates up to 30 Mbps, making it suitable for applications requiring fast data transmission.
The SN65LBC179ADR features a robust design with thermal shutdown protection and current limiting to prevent damage under fault conditions. It has a wide common-mode voltage range, ensuring reliable operation in electrically noisy environments. The device includes a driver and a receiver, with the capability to connect up to 32 transceivers on the same bus, enhancing system design flexibility.
This transceiver is packaged in a small outline integrated circuit (SOIC), specifically in the 8-pin SOIC package, making it convenient for compact designs. Its combination of speed, reliability, and protection features make it an ideal choice for industrial automation, building automation, and other communication networks.
The SN65LBC179ADR features a robust design with thermal shutdown protection and current limiting to prevent damage under fault conditions. It has a wide common-mode voltage range, ensuring reliable operation in electrically noisy environments. The device includes a driver and a receiver, with the capability to connect up to 32 transceivers on the same bus, enhancing system design flexibility.
This transceiver is packaged in a small outline integrated circuit (SOIC), specifically in the 8-pin SOIC package, making it convenient for compact designs. Its combination of speed, reliability, and protection features make it an ideal choice for industrial automation, building automation, and other communication networks.
Equivalent
The SN65LBC179ADR is an RS-485 transceiver. Equivalent products include:
1. MAX485ESAfrom Maxim Integrated
2. ADM485ARZfrom Analog Devices
3. LTC485CN8 from Linear Technology
4. SN75176BDR from Texas Instruments
5. MAX3485EESA+from Maxim Integrated
These alternatives provide similar RS-485 communication capabilities. Ensure to check the specific electrical characteristics and pin configurations to confirm compatibility with your application.
1. MAX485ESAfrom Maxim Integrated
2. ADM485ARZfrom Analog Devices
3. LTC485CN8 from Linear Technology
4. SN75176BDR from Texas Instruments
5. MAX3485EESA+from Maxim Integrated
These alternatives provide similar RS-485 communication capabilities. Ensure to check the specific electrical characteristics and pin configurations to confirm compatibility with your application.
Features
The SN65LBC179ADR is a differential line driver designed for RS-485 and RS-422 communication applications. Key features include:
1. Differential Output: Ensures reliable data transmission over long distances and noisy environments by using differential signaling.
2. Wide Power Supply Range: Operates over a wide voltage range, typically from 4.75V to 5.25V, making it versatile for various applications.
3. High-Speed Operation: Supports data rates up to 10 Mbps, suitable for high-speed communication requirements.
4. Thermal Shutdown Protection: Includes thermal shutdown protection to prevent damage due to overheating.
5. Short-Circuit Protection: The device is protected against short circuits, enhancing reliability and safety.
6. Tri-State Outputs: Features tri-state outputs, enabling easy connection of multiple drivers to a bus.
7. Low Power Consumption: Designed for low power consumption, ideal for battery-powered or energy-sensitive applications.
8. Industrial Temperature Range: Operates within a wide temperature range from -40°C to 85°C, suitable for industrial environments.
These features make the SN65LBC179ADR suitable for various industrial and commercial communication systems requiring robust and efficient data transmission.
1. Differential Output: Ensures reliable data transmission over long distances and noisy environments by using differential signaling.
2. Wide Power Supply Range: Operates over a wide voltage range, typically from 4.75V to 5.25V, making it versatile for various applications.
3. High-Speed Operation: Supports data rates up to 10 Mbps, suitable for high-speed communication requirements.
4. Thermal Shutdown Protection: Includes thermal shutdown protection to prevent damage due to overheating.
5. Short-Circuit Protection: The device is protected against short circuits, enhancing reliability and safety.
6. Tri-State Outputs: Features tri-state outputs, enabling easy connection of multiple drivers to a bus.
7. Low Power Consumption: Designed for low power consumption, ideal for battery-powered or energy-sensitive applications.
8. Industrial Temperature Range: Operates within a wide temperature range from -40°C to 85°C, suitable for industrial environments.
These features make the SN65LBC179ADR suitable for various industrial and commercial communication systems requiring robust and efficient data transmission.
Pinout
The SN65LBC179ADR is a differential line transceiver designed for RS-485 applications. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin functions are as follows:
1. R (Receiver Output): Outputs the data received by the differential receiver.
2. RE (Receiver Enable): Enables or disables the receiver function. It is active low.
3. DE (Driver Enable): Enables or disables the driver function. It is active high.
4. D (Driver Input): Accepts data to be transmitted by the differential driver.
5. GND (Ground): Provides the ground reference for the circuit.
6. A (Non-Inverting Driver Output/Receiver Input): Transmits and receives data signals, non-inverting.
7. B (Inverting Driver Output/Receiver Input): Transmits and receives data signals, inverting.
8. VCC (Supply Voltage): Provides the power supply to the device, typically 5V.
The SN65LBC179ADR is used for high-speed data transmission and supports multipoint applications, offering features like low power consumption and protection against electrical noise.
1. R (Receiver Output): Outputs the data received by the differential receiver.
2. RE (Receiver Enable): Enables or disables the receiver function. It is active low.
3. DE (Driver Enable): Enables or disables the driver function. It is active high.
4. D (Driver Input): Accepts data to be transmitted by the differential driver.
5. GND (Ground): Provides the ground reference for the circuit.
6. A (Non-Inverting Driver Output/Receiver Input): Transmits and receives data signals, non-inverting.
7. B (Inverting Driver Output/Receiver Input): Transmits and receives data signals, inverting.
8. VCC (Supply Voltage): Provides the power supply to the device, typically 5V.
The SN65LBC179ADR is used for high-speed data transmission and supports multipoint applications, offering features like low power consumption and protection against electrical noise.
Manufacturer
The SN65LBC179ADR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It serves a wide range of industries, including automotive, industrial, personal electronics, communications, and enterprise systems. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovation in analog and embedded processing products, which are critical in the development of electronic equipment. The company is one of the largest semiconductor manufacturers globally and has a significant focus on research and development to advance its technology offerings.
Application
The SN65LBC179ADR is a differential line driver designed for high-speed data transmission. Its primary application areas include industrial automation, telecommunications, and automotive systems. It is often used in RS-485 or RS-422 communication networks, which require robust data transmission over long distances and in electrically noisy environments. The device is suitable for networking applications, enabling efficient data exchange between devices like sensors, controllers, and other peripherals. Additionally, it is used in applications that require reliable data integrity and low power consumption, such as building automation systems and process control. Its ability to operate in extended temperature ranges makes it ideal for harsh industrial environments.
Package
The SN65LBC179ADR is a differential line transceiver and is commonly available in an SOIC (Small Outline Integrated Circuit) package with 8 pins. The "DR" suffix indicates the specific packaging and tape/reel method for shipping.