Overview
The SN75LBC174ADWR is a quadruple differential line driver produced by Texas Instruments, designed for high-speed multipoint bus transmission in noisy environments. This device is optimized for TIA/EIA-485 (RS-485), TIA/EIA-422 (RS-422), and ISO 8482 applications. It features 3-state outputs and is built using LinBiCMOS technology, which ensures low power consumption and robust performance. The SN75LBC174ADWR is available in a 20-pin SOIC (DW) package and is characterized for operation over the commercial temperature range of 0°C to 70°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 4.75 to 5.25 | V |
| Operating Temperature Range | 0 to 70 | °C |
| Data Rate | Up to 30 Mbps | bps |
| Propagation Delay Times | < 11 ns | ns |
| Output ESD Protection | 12 kV | kV |
| Current Limiting | Positive- and Negative-Current Limiting | - |
| Thermal Shutdown Protection | Yes | - |
| Standby Power Consumption | 1.5 mA Max | mA |
| Package Type | 20-pin SOIC (DW) | - |
| Mounting Type | Surface Mount | - |
Key Features
- Meets or exceeds the standard EIA-485, TIA/EIA-422, and ISO 8482 requirements.
- Designed for high-speed multipoint transmission on long bus lines in noisy environments.
- Supports data rates up to 30 million bits per second.
- Common-mode output voltage range of –7V to 12V.
- Positive- and negative-current limiting and thermal-shutdown protection.
- Low power consumption: 1.5 mA max in standby mode.
- Power-up and power-down glitch-free for line insertion applications.
- Output ESD protection: 12 kV.
- Industry standard pin-out, compatible with SN75174, MC3487, DS96174, LTC487, and MAX3042.
Applications
- Chemical and gas sensors.
- Field transmitters: temperature sensors and pressure sensors.
- Motor drives: brushless DC and brushed DC.
- Temperature sensors and controllers using Modbus.
- Factory automation and control.
Q & A
- What is the primary application of the SN75LBC174ADWR?
The SN75LBC174ADWR is primarily used for high-speed multipoint bus transmission in noisy environments, particularly in TIA/EIA-485 (RS-485), TIA/EIA-422 (RS-422), and ISO 8482 applications.
- What is the maximum data rate supported by the SN75LBC174ADWR?
The device supports data rates up to 30 million bits per second.
- What type of protection does the SN75LBC174ADWR offer?
The device features positive- and negative-current limiting, thermal shutdown protection, and output ESD protection up to 12 kV.
- What is the operating temperature range of the SN75LBC174ADWR?
The SN75LBC174ADWR operates over the temperature range of 0°C to 70°C.
- What package types are available for the SN75LBC174ADWR?
The device is available in a 20-pin SOIC (DW) package.
- Is the SN75LBC174ADWR compatible with other industry-standard devices?
Yes, it is compatible with devices such as SN75174, MC3487, DS96174, LTC487, and MAX3042.
- What is the standby power consumption of the SN75LBC174ADWR?
The standby power consumption is 1.5 mA max.
- Does the SN75LBC174ADWR support glitch-free power-up and power-down?
Yes, it supports glitch-free power-up and power-down for line insertion applications.
- What is the common-mode output voltage range of the SN75LBC174ADWR?
The common-mode output voltage range is –7V to 12V.
- Is the SN75LBC174ADWR RoHS compliant?
Yes, the SN75LBC174ADWR is RoHS3 compliant.
- What is the propagation delay time of the SN75LBC174ADWR?
The propagation delay times are less than 11 ns.
