Overview
The SN75LBC176ADR is a differential bus transceiver designed by Texas Instruments for bidirectional data communication on multipoint bus-transmission lines. This integrated circuit is part of the SN75LBC176 series and is compatible with ANSI Standard TIA/EIA-485-A and ISO 8482:1987(E). It combines a 3-state, differential line driver and a differential input line receiver, both operating from a single 5-V power supply. The device is particularly suited for balanced transmission lines and offers features such as low skew, high ESD protection, and thermal-shutdown protection, making it reliable for various industrial and automotive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Signaling Rate | Up to 30 Mbps | - |
| Bus-Pin ESD Protection | Exceeds 12 kV HBM | - |
| Supply Voltage | 4.75 V to 5.25 V | V |
| Operating Temperature | 0°C to 70°C | °C |
| Package Type | 8-SOIC (0.154", 3.90mm Width) | - |
| Mounting Type | Surface Mount | - |
| Receiver Input Sensitivity | ±200 mV Maximum | mV |
| Receiver Input Hysteresis | 50 mV Typical | mV |
| Driver Output Current | ±60 mA | mA |
| Receiver Output Current | ±8 mA | mA |
Key Features
- Designed for signaling rates up to 30 Mbps.
- Bus-Pin ESD protection exceeds 12 kV HBM.
- Compatible with ANSI Standard TIA/EIA-485-A and ISO 8482:1987(E).
- Low skew and designed for multipoint transmission on long bus lines in noisy environments.
- Very low disabled supply-current requirements: 700 μA maximum.
- Common mode voltage range of –7 V to 12 V.
- Thermal-shutdown protection and driver positive and negative current limiting.
- Open-circuit failsafe receiver design.
- Glitch-free power-up and power-down protection.
- Available in Q-temp automotive versions for high reliability automotive applications.
Applications
The SN75LBC176ADR is suitable for a variety of applications, including:
- Industrial automation and control systems.
- Automotive systems, particularly those requiring high reliability and compliance with automotive standards.
- Multipoint bus-transmission lines in noisy environments.
- Party-line applications due to its wide positive and negative common-mode voltage ranges.
- RS-485 and RS-422 communication networks.
Q & A
- What is the maximum signaling rate of the SN75LBC176ADR?
The maximum signaling rate is up to 30 Mbps.
- What is the ESD protection level of the SN75LBC176ADR?
The bus-pin ESD protection exceeds 12 kV HBM.
- What are the compatible standards for the SN75LBC176ADR?
It is compatible with ANSI Standard TIA/EIA-485-A and ISO 8482:1987(E).
- What is the operating temperature range of the SN75LBC176ADR?
The operating temperature range is from 0°C to 70°C.
- What is the package type of the SN75LBC176ADR?
The package type is 8-SOIC (0.154", 3.90mm Width).
- What is the receiver input sensitivity of the SN75LBC176ADR?
The receiver input sensitivity is ±200 mV Maximum.
- Does the SN75LBC176ADR have thermal-shutdown protection?
- What is the common mode voltage range of the SN75LBC176ADR?
The common mode voltage range is –7 V to 12 V.
- Is the SN75LBC176ADR suitable for automotive applications?
- What is the supply voltage range for the SN75LBC176ADR?
The supply voltage range is from 4.75 V to 5.25 V.
