Overview
The SN75LBC179ADR is a high-performance, low-power differential line driver and receiver pair designed by Texas Instruments. This integrated circuit is optimized for bidirectional data communication over long cables, making it suitable for various industrial and commercial applications. The device operates from a single 5-V supply and is compatible with ANSI standard TIA/EIA-485-A and ISO 8482:1987(E). It features high-speed LinBiCMOS™ circuitry, enabling signaling rates of up to 30 Mbps. The SN75LBC179ADR is characterized for operation over the commercial temperature range of 0°C to 70°C, making it versatile for different environmental conditions.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.75 | 5 | 5.25 | V |
| High-Level Input Voltage (VIH) | 2 | VCC | V | |
| Low-Level Input Voltage (VIL) | 0 | 0.8 | V | |
| Differential Input Voltage (VID) | -12 | 12 | V | |
| Operating Free-Air Temperature | 0 | 70 | °C | |
| Bus-Pin ESD Protection | 12 kV HBM | |||
| Signaling Rate | Up to 30 Mbps | |||
| Supply Current | 15 mA Max | |||
| Disabled Supply-Current | 700 μA Max |
Key Features
- High-speed low-power LinBiCMOS™ circuitry designed for signaling rates up to 30 Mbps.
- Bus-pin ESD protection exceeds 12 kV HBM.
- Very low disabled supply-current requirements: 700 μA Max.
- Common-mode voltage range of –7 V to 12 V.
- Low supply current: 15 mA Max.
- Compatible with ANSI standard TIA/EIA-485-A and ISO 8482:1987(E).
- Positive and negative output current limiting.
- Driver thermal shutdown protection.
Applications
The SN75LBC179ADR is suitable for various applications requiring reliable and high-speed data communication over long cables. These include:
- Point-to-point and multipoint data bus applications.
- Industrial automation and control systems.
- Telecommunications and networking equipment.
- Automotive and aerospace systems where robust communication is critical.
Q & A
- What is the operating temperature range of the SN75LBC179ADR?
The SN75LBC179ADR operates over the commercial temperature range of 0°C to 70°C.
- What is the maximum signaling rate supported by the SN75LBC179ADR?
The device supports signaling rates up to 30 Mbps.
- What type of ESD protection does the SN75LBC179ADR offer?
The device features bus-pin ESD protection that exceeds 12 kV HBM.
- What is the typical supply current of the SN75LBC179ADR?
The typical supply current is 15 mA Max.
- Is the SN75LBC179ADR compatible with any industry standards?
Yes, it is compatible with ANSI standard TIA/EIA-485-A and ISO 8482:1987(E).
- What kind of output current limiting does the SN75LBC179ADR have?
The device features positive and negative output current limiting.
- Does the SN75LBC179ADR have thermal shutdown protection?
Yes, it includes driver thermal shutdown protection.
- What is the common-mode voltage range of the SN75LBC179ADR?
The common-mode voltage range is –7 V to 12 V.
- What package types are available for the SN75LBC179ADR?
The device is available in 8-SOIC packages.
- Where can I find detailed specifications and documentation for the SN75LBC179ADR?
Detailed specifications and documentation can be found on the Texas Instruments website and through various electronics distributors like Digi-Key, Mouser, and Heisener.
