Overview
The SN65LBC179ADG4, produced by Texas Instruments, is a low-power differential line driver and receiver pair designed for high-speed multipoint data transmission over long cables. This integrated circuit is part of the LinBiCMOS™ family, combining the low power consumption of CMOS with the precision and robustness of bipolar transistors. It is suitable for bidirectional data communication and meets or exceeds the requirements of industry standards such as ANSI RS-485 and ISO 8482:1987(E).
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | SN65LBC179ADG4 |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Protocol | RS422, RS485 |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Full |
| Receiver Hysteresis | 50mV |
| Data Rate | 30Mbps |
| Supply Voltage | 4.75 V ~ 5.25 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Bus-pin ESD Protection | Exceeds 12 kV HBM |
| Common-mode Voltage Range | -7 V to 12 V |
| Driver Thermal Shutdown | Approximately 172°C |
Key Features
- Designed for high-speed multipoint data transmission over long cables with pulse widths as low as 30 ns.
- Low supply current: 5 mA max, with very low disabled supply-current requirements: 700 μA Max.
- Meets or exceeds the requirements of ANSI RS-485 and ISO 8482:1987(E) standards.
- Common-mode voltage range of -7 V to 12 V, making it suitable for point-to-point or multipoint data bus applications.
- Positive and negative output current limiting and driver thermal shutdown protection for line fault conditions.
- Bus-pin ESD protection exceeds 12 kV HBM.
- Full-duplex operation with separate terminals for driver differential outputs and receiver differential inputs.
Applications
The SN65LBC179ADG4 is ideal for various applications requiring reliable and high-speed data transmission over long distances. These include:
- Multipoint data bus systems
- Point-to-point data communication
- Industrial automation and control systems
- Telecommunications equipment
- Networked devices and sensors
Q & A
- What is the primary function of the SN65LBC179ADG4?
The SN65LBC179ADG4 is a differential line driver and receiver pair designed for bidirectional data communication over long cables.
- What protocols does the SN65LBC179ADG4 support?
The SN65LBC179ADG4 supports RS422 and RS485 protocols.
- What is the maximum data rate of the SN65LBC179ADG4?
The maximum data rate is 30 Mbps.
- What is the operating temperature range of the SN65LBC179ADG4?
The operating temperature range is -40°C to 85°C.
- What type of package does the SN65LBC179ADG4 come in?
The SN65LBC179ADG4 comes in an 8-SOIC package.
- Does the SN65LBC179ADG4 have ESD protection?
Yes, the bus-pin ESD protection exceeds 12 kV HBM.
- What is the common-mode voltage range of the SN65LBC179ADG4?
The common-mode voltage range is -7 V to 12 V.
- Does the SN65LBC179ADG4 have thermal shutdown protection?
Yes, the driver has thermal shutdown protection at approximately 172°C.
- Is the SN65LBC179ADG4 RoHS compliant?
Yes, the SN65LBC179ADG4 is RoHS compliant.
- What are some typical applications of the SN65LBC179ADG4?
Typical applications include multipoint data bus systems, point-to-point data communication, industrial automation, telecommunications equipment, and networked devices and sensors.
