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 | 45 mV |
| Voltage-Supply | 4.75V ~ 5.25V |
| OperatingTemperature | 0°C ~ 70°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Tổng quan
Description
The SN75LBC179DR is a differential line transceiver designed for multipoint transmission on long bus lines in noisy environments. This device is part of Texas Instruments’ family of RS-485 transceivers and is commonly used in industrial and telecommunications applications. It supports half-duplex communication and can operate over a wide range of voltages, typically from 4.75V to 5.25V. The SN75LBC179DR features a low-power consumption design, with a low standby current, making it efficient for use in battery-powered systems.
This transceiver provides a high level of noise immunity and is designed to withstand high levels of electromagnetic interference. It supports data rates up to 10 Mbps, making it suitable for high-speed data exchange. The device includes a thermal shutdown feature to protect against overheating and short-circuit conditions. The "DR" in its name indicates that it is supplied in an SOIC (Small Outline Integrated Circuit) package, which is surface-mountable and saves space on printed circuit boards. Overall, the SN75LBC179DR is a reliable choice for robust and efficient RS-485 communication.
This transceiver provides a high level of noise immunity and is designed to withstand high levels of electromagnetic interference. It supports data rates up to 10 Mbps, making it suitable for high-speed data exchange. The device includes a thermal shutdown feature to protect against overheating and short-circuit conditions. The "DR" in its name indicates that it is supplied in an SOIC (Small Outline Integrated Circuit) package, which is surface-mountable and saves space on printed circuit boards. Overall, the SN75LBC179DR is a reliable choice for robust and efficient RS-485 communication.
Equivalent
The SN75LBC179DR is a differential line transceiver commonly used for RS-485 communication. Equivalent products include the MAX485 from Maxim Integrated, the ADM485 from Analog Devices, and the LTC485 from Linear Technology. Each of these alternatives serves similar functions with slight variations in specifications, such as supply voltage range and data rate. Always verify compatibility with your application requirements before substituting components.
Features
The SN75LBC179DR is a differential line transceiver designed for high-speed data communication. Key features include:
1. Data Rates: Supports data rates up to 30 Mbps.
2. Differential Signaling: Ensures reliable communication over long distances.
3. Wide Supply Voltage Range: Operates across a voltage range of 4.75V to 5.25V.
4. Low Power Consumption: Designed for efficient power usage.
5. Thermal Shutdown: Protects the device from overheating.
6. ESD Protection: Offers enhanced electrostatic discharge protection.
7. Fail-Safe Design: Ensures safe operation during bus idle or open circuit conditions.
8. Short-Circuit Protection: Guard against damage during fault conditions.
9. Package: Available in an SOIC package, suitable for surface-mount applications.
These features make the SN75LBC179DR ideal for applications requiring robust and reliable communication, such as industrial automation, instrumentation, and networking.
1. Data Rates: Supports data rates up to 30 Mbps.
2. Differential Signaling: Ensures reliable communication over long distances.
3. Wide Supply Voltage Range: Operates across a voltage range of 4.75V to 5.25V.
4. Low Power Consumption: Designed for efficient power usage.
5. Thermal Shutdown: Protects the device from overheating.
6. ESD Protection: Offers enhanced electrostatic discharge protection.
7. Fail-Safe Design: Ensures safe operation during bus idle or open circuit conditions.
8. Short-Circuit Protection: Guard against damage during fault conditions.
9. Package: Available in an SOIC package, suitable for surface-mount applications.
These features make the SN75LBC179DR ideal for applications requiring robust and reliable communication, such as industrial automation, instrumentation, and networking.
Pinout
The SN75LBC179DR is a differential line transceiver designed for use in balanced multipoint bus transmission lines. It is typically used in applications like RS-485 communication networks. This device is part of Texas Instruments' SN75 series.
The SN75LBC179DR comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin configuration is as follows:
1. RO (Receiver Output): Provides the output signal from the differential input received.
2. RE (Receiver Enable): Enables or disables the receiver; active-low.
3. DE (Driver Enable): Enables or disables the driver; active-high.
4. DI (Driver Input): Input for the driver.
5. GND (Ground): Ground reference point for the device.
6. A/Y (Non-Inverting Receiver Input/Driver Output): Used for differential signal input/output.
7. B/Z (Inverting Receiver Input/Driver Output): Used for differential signal input/output.
8. VCC (Supply Voltage): Power supply input.
The SN75LBC179DR is designed to operate over a wide range of voltages and is optimized for reliable data transmission over long distances in noisy environments.
The SN75LBC179DR comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin configuration is as follows:
1. RO (Receiver Output): Provides the output signal from the differential input received.
2. RE (Receiver Enable): Enables or disables the receiver; active-low.
3. DE (Driver Enable): Enables or disables the driver; active-high.
4. DI (Driver Input): Input for the driver.
5. GND (Ground): Ground reference point for the device.
6. A/Y (Non-Inverting Receiver Input/Driver Output): Used for differential signal input/output.
7. B/Z (Inverting Receiver Input/Driver Output): Used for differential signal input/output.
8. VCC (Supply Voltage): Power supply input.
The SN75LBC179DR is designed to operate over a wide range of voltages and is optimized for reliable data transmission over long distances in noisy environments.
Manufacturer
The SN75LBC179DR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide variety of electronic applications. TI is known for its focus on developing analog chips and embedded processors, and it serves industries such as automotive, industrial, personal electronics, communication equipment, and enterprise systems. The company is a major player in the semiconductor industry and is recognized for its innovation and extensive product portfolio.
Application
The SN75LBC179DR is a quad differential line driver designed for RS-485 and RS-422 communication applications. It is typically used in industrial and commercial environments where robust and reliable data transmission is required over long distances or in electrically noisy conditions. Common application areas include factory automation, process control systems, networked sensors, and communication links between microcontrollers or other digital systems. Additionally, it can be employed in telecommunications, security systems, and any application requiring multi-point or point-to-point data communication. The device's ability to drive long cable lengths and withstand high levels of electrical noise makes it suitable for harsh environments.
Package
The SN75LBC179DR is a differential line transceiver from Texas Instruments. The "DR" in its part number indicates that it comes in a SOIC (Small Outline Integrated Circuit) package with 16 pins.
