Overview
The SN65LBC179ADRG4 is a low-power differential line driver and receiver pair manufactured by Texas Instruments. This integrated circuit is designed for high-speed multipoint data transmission over long cables, making it suitable for various industrial and commercial applications. The device operates on a single 5-V supply and is part of the LinBiCMOS™ family, combining the low power consumption of CMOS with the precision and robustness of bipolar transistors. It meets or exceeds the requirements of industry standards such as ANSI RS-485 and ISO 8482:1987(E).
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.75 | 5 | 5.25 | V |
| Supply Current (ICC) | 4.2 | - | 5 | mA |
| Differential Output Voltage (VOD) | 1.1 | 2.2 | 5 | V |
| Common-Mode Output Voltage (VOC) | 1 | 2.5 | 3 | V |
| Operating Temperature Range | -40 | - | 85 | °C |
| Junction Temperature Range | - | - | 172 | °C |
| Pulse Width | 30 | - | - | ns |
| Differential-Output Delay Time (td(OD)) | 7 | - | 18 | ns |
| Propagation Delay Time (tPHL, tPLH) | 15 | - | 30 | ns |
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.
- Available in 8-pin dual-in-line and small-outline packages.
Applications
- Point-to-point or multipoint data bus applications.
- Industrial control systems.
- Telecommunications equipment.
- Automotive systems (for the SN65LBC179Q variant).
- Any application requiring high-speed data transmission over long cables).
Q & A
- What is the primary function of the SN65LBC179ADRG4?
The SN65LBC179ADRG4 is a low-power differential line driver and receiver pair designed for high-speed multipoint data transmission over long cables.
- What are the operating temperature ranges for the SN65LBC179ADRG4?
The SN65LBC179 is characterized over the industrial temperature range of −40°C to 85°C, while the SN65LBC179Q is characterized over the extended industrial or automotive temperature range of −40°C to 125°C).
- What is the maximum supply current for the SN65LBC179ADRG4?
The maximum supply current is 5 mA).
- Does the SN65LBC179ADRG4 meet industry standards for RS-485 communication?
- What is the common-mode voltage range for the SN65LBC179ADRG4?
The common-mode voltage range is −7 V to 12 V).
- What protection features does the SN65LBC179ADRG4 have?
The device features positive-and negative-output current limiting and driver thermal shutdown protection).
- In what packages is the SN65LBC179ADRG4 available?
- What is the minimum pulse width the SN65LBC179ADRG4 can operate with?
- What is the differential-output delay time for the SN65LBC179ADRG4?
- What are some typical applications for the SN65LBC179ADRG4?
