Overview
The SN65LBC180ADR is a high-speed, low-power differential driver and receiver pair designed by Texas Instruments. This integrated circuit is part of the LinBICMOS™ family and is optimized for bidirectional data communication over long cables. The device is compatible with ANSI standard TIA/EIA-485-A and ISO 8482:1987(E), making it suitable for various industrial and commercial applications. It operates from a single 5-V power supply and features a wide common-mode voltage range, positive and negative output current limiting, and driver thermal shutdown protection.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Signaling Rate | - | - | 30 Mbps | - |
| Bus-Pin ESD Protection | - | - | 15 kV HBM | - |
| Supply Current (Driver Enabled, Receiver Disabled) | 5.5 | - | 9 | mA |
| Supply Current (Driver Disabled, Receiver Disabled) | 0.5 | - | 1 | mA |
| Supply Current (Driver Enabled, Receiver Enabled) | 8.5 | - | 15 | mA |
| Operating Temperature (SN65LBC180A) | -40 | - | 85 | °C |
| Operating Temperature (SN75LBC180A) | 0 | - | 70 | °C |
| Propagation Delay Time (Driver) | 2 | 6 | 12 | ns |
| Propagation Delay Time (Receiver) | 7 | 13 | 20 | ns |
| Differential Input Voltage Range | -12 | - | 12 | V |
| Common-Mode Voltage Range | -7 | - | 12 | V |
Key Features
- High-speed low-power LinBICMOS™ circuitry for signaling rates up to 30 Mbps.
- Bus-Pin ESD protection of 15 kV HBM.
- Low disabled supply-current requirements: 700 μA maximum.
- Designed for high-speed multipoint data transmission over long cables.
- Wide 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.
- Full-duplex operation with separate terminals for driver and receiver.
Applications
- Multipoint data bus applications.
- Point-to-point data communication.
- Industrial automation and control systems.
- Telecommunications equipment.
- Automotive systems requiring high-speed data transmission.
- Embedded systems and IoT devices.
Q & A
- What is the maximum signaling rate of the SN65LBC180ADR?
The maximum signaling rate is up to 30 Mbps.
- What is the ESD protection level of the SN65LBC180ADR?
The device has a bus-pin ESD protection of 15 kV HBM.
- What is the operating temperature range for the SN65LBC180A and SN75LBC180A?
The SN65LBC180A operates from –40°C to 85°C, and the SN75LBC180A operates from 0°C to 70°C.
- What is the common-mode voltage range of the SN65LBC180ADR?
The common-mode voltage range is –7 V to 12 V.
- Is the SN65LBC180ADR compatible with any industry standards?
Yes, it is compatible with ANSI standard TIA/EIA-485-A and ISO 8482:1987(E).
- What type of protection does the SN65LBC180ADR have against line fault conditions?
The device features positive and negative output current limiting for protection against line fault conditions.
- What is the supply current when the driver is enabled and the receiver is disabled?
The supply current is between 5.5 mA and 9 mA.
- Does the SN65LBC180ADR support full-duplex operation?
Yes, it supports full-duplex operation with separate terminals for the driver and receiver.
- What are some typical applications of the SN65LBC180ADR?
Typical applications include multipoint data bus systems, industrial automation, telecommunications, automotive systems, and embedded systems.
- What are the package options available for the SN65LBC180ADR?
The device is available in SOIC (D) and PDIP (N) packages.
