Overview
The SN65LBC173ADR is a quadruple differential line receiver designed by Texas Instruments for use in TIA/EIA-485 (RS-485), TIA/EIA-422 (RS-422), and ISO 8482 (Euro RS-485) applications. This device is optimized for balanced multipoint bus communication and supports data rates up to and exceeding 50 million bits per second. It features low power consumption and robustness, making it suitable for high-speed multipoint data transmission in harsh environments.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.75 | 5 | 5.25 | V |
| Voltage Range at Bus Inputs (DC) | -10 | 15 | V | |
| Voltage Range at Bus Inputs (Transient Pulse) | -30 | 30 | V | |
| Operating Free-Air Temperature (SN65LBC173A) | -40 | 85 | °C | |
| Operating Free-Air Temperature (SN75LBC173A) | 0 | 70 | °C | |
| Signaling Rate | 50 Mbps | |||
| Propagation Delay Time | 12 | 16 | ns | |
| ESD Protection on Bus Inputs | 6 kV | |||
| Standby Power Consumption | 20 µA |
Key Features
- Designed for TIA/EIA-485, TIA/EIA-422, and ISO 8482 applications
- Signaling rate exceeding 50 Mbps
- Fail-safe in bus short-circuit, open-circuit, and idle-bus conditions
- ESD protection on bus inputs exceeds 6 kV
- Common-mode bus input range –7 V to 12 V
- Low standby power consumption (<20 µA)
- Pin-compatible upgrade for AM26LS32, DS96F173, LTC488, and SN75173
- Low propagation delay times (<16 ns)
Applications
- Factory automation
- ATM and cash counters
- Smart grid
- AC and servo motor drives
Q & A
- What is the SN65LBC173ADR used for?
The SN65LBC173ADR is used for TIA/EIA-485, TIA/EIA-422, and ISO 8482 applications, providing high-speed differential line reception.
- What is the maximum signaling rate of the SN65LBC173ADR?
The signaling rate exceeds 50 million bits per second (Mbps).
- What is the operating temperature range for the SN65LBC173A and SN75LBC173A?
The SN65LBC173A operates from -40°C to 85°C, while the SN75LBC173A operates from 0°C to 70°C.
- Does the SN65LBC173ADR have ESD protection?
- What is the common-mode bus input range of the SN65LBC173ADR?
The common-mode bus input range is –7 V to 12 V.
- What are the typical applications of the SN65LBC173ADR?
Typical applications include factory automation, ATM and cash counters, smart grid, and AC and servo motor drives.
- What is the propagation delay time of the SN65LBC173ADR?
The propagation delay time is less than 16 ns.
- Is the SN65LBC173ADR pin-compatible with other devices?
- What is the standby power consumption of the SN65LBC173ADR?
The standby power consumption is less than 20 µA.
- What are the package options for the SN65LBC173ADR?
The device is available in SOIC (D, 16) and PDIP (N, 16) packages.
