Overview
The SN65LBC176AD, produced by Texas Instruments, is a differential bus transceiver designed for bidirectional data communication on multipoint bus-transmission lines. This integrated circuit is compatible with ANSI Standard TIA/EIA-485-A (RS-485) and ISO 8482:1987(E), making it suitable for a wide range of applications requiring reliable and high-speed data transmission.
Key Specifications
| Parameter | Value |
|---|---|
| Signaling Rate | Up to 30 Mbps |
| Bus-Pin ESD Protection | Exceeds 12 kV HBM |
| Supply Voltage | 5 V |
| Common Mode Voltage Range | –7 V to 12 V |
| Receiver Input Sensitivity | ±200 mV Maximum |
| Receiver Input Hysteresis | 50 mV Typical |
| Supply Current (Receiver Disabled and Driver Enabled) | 5 mA to 9 mA |
| Supply Current (Receiver Disabled and Driver Disabled) | 0.4 mA to 0.7 mA |
| Operating Temperature Range | –40°C to 85°C |
| Package Type | 8-SOIC |
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
- 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 grade for high reliability automotive applications
Applications
The SN65LBC176AD is suitable for various applications, including:
- Multipoint bus-transmission lines in industrial and automotive environments
- Party-line applications due to its wide positive and negative common-mode voltage ranges
- High-reliability automotive applications, supported by its Q-temp automotive grade
- Any system requiring balanced transmission lines and compliance with RS-485 standards
Q & A
- What is the maximum signaling rate of the SN65LBC176AD?
The SN65LBC176AD supports signaling rates up to 30 Mbps. - What is the ESD protection level of the SN65LBC176AD?
The bus-pin ESD protection exceeds 12 kV HBM. - Is the SN65LBC176AD compatible with RS-485 standards?
Yes, it is compatible with ANSI Standard TIA/EIA-485-A and ISO 8482:1987(E). - What is the common mode voltage range of the SN65LBC176AD?
The common mode voltage range is –7 V to 12 V. - Does the SN65LBC176AD have thermal-shutdown protection?
Yes, it features thermal-shutdown protection. - What is the receiver input sensitivity of the SN65LBC176AD?
The receiver input sensitivity is ±200 mV Maximum. - What is the typical receiver input hysteresis of the SN65LBC176AD?
The typical receiver input hysteresis is 50 mV. - What are the supply current requirements when the receiver is disabled and the driver is enabled?
The supply current ranges from 5 mA to 9 mA. - What are the supply current requirements when both the receiver and driver are disabled?
The supply current ranges from 0.4 mA to 0.7 mA. - What is the operating temperature range of the SN65LBC176AD?
The operating temperature range is –40°C to 85°C.
