Overview
The SN65LBC179D, 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 monolithic integrated circuit is part of the LinBiCMOS™ family, combining the low power consumption of CMOS with the precision and robustness of bipolar transistors. The device operates from a single 5-V supply and is compatible with industry standards such as ANSI RS-485 and ISO 8482:1987(E).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 4.75 to 5.25 | V |
| Supply Current | 5 mA (max) | mA |
| Signaling Rate | Up to 30 Mbps | Mbps |
| Common-Mode Voltage Range | -7 to 12 | V |
| Pulse Width | As low as 30 ns | ns |
| Temperature Range | -40°C to 85°C (industrial) | °C |
| Package Type | 8-pin SOIC | |
| Interface Standards | ANSI RS-485, ISO 8482:1987(E) | |
| ESD Protection | Exceeds 12 kV HBM | kV |
Key Features
- Designed for high-speed multipoint data transmission over long cables.
- Operates with pulse widths as low as 30 ns.
- Low supply current: 5 mA max.
- Meets or exceeds the standard requirements of ANSI RS-485 and ISO 8482:1987(E).
- Common-mode voltage range of -7 V to 12 V.
- Positive- and negative-output current limiting.
- Driver thermal shutdown protection.
- Pin compatible with the SN75179B.
- Bus-pin ESD protection exceeds 12 kV HBM.
Applications
The SN65LBC179D is suitable for various applications requiring high-speed data transmission over long cables, including:
- Point-to-point and multipoint data bus applications.
- Industrial automation and control systems.
- Telecommunications and networking equipment.
- Automotive systems requiring robust and reliable data transmission.
Q & A
- What is the typical supply voltage for the SN65LBC179D?
The typical supply voltage is 5 V, with a range of 4.75 V to 5.25 V.
- What are the key industry standards that the SN65LBC179D complies with?
The device complies with ANSI RS-485 and ISO 8482:1987(E) standards.
- What is the maximum signaling rate of the SN65LBC179D?
The signaling rate can be up to 30 Mbps.
- What is the common-mode voltage range of the SN65LBC179D?
The common-mode voltage range is -7 V to 12 V.
- Does the SN65LBC179D have thermal protection?
- What type of ESD protection does the SN65LBC179D offer?
The device offers bus-pin ESD protection that exceeds 12 kV HBM.
- What is the operating temperature range for the SN65LBC179D?
The operating temperature range is -40°C to 85°C (industrial).
- What package types are available for the SN65LBC179D?
The device is available in 8-pin SOIC and PDIP packages.
- Is the SN65LBC179D pin compatible with other devices?
- What are some typical applications for the SN65LBC179D?
