Overview
The SN75174DWRG4, produced by Texas Instruments, is a monolithic quadruple differential line driver designed to meet the requirements of ANSI Standards EIA/TIA-422-B, RS-485, and ITU Recommendation V.11. This device is optimized for balanced multipoint bus transmission at rates up to 4 megabaud, making it suitable for party-line applications in noisy environments. It features 3-state outputs and operates from a single 5V supply, ensuring low power requirements. The SN75174DWRG4 is functionally interchangeable with the MC3487 and offers optimum performance when used with the SN75173 or SN75175 quadruple differential line receivers.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (DW) | - |
| Pins | 20 | - |
| Operating Temperature Range | 0 to 70 | °C |
| Supply Voltage | 5 | V |
| Common-Mode Output Voltage Range | –7 to 12 | V |
| Data Rate | Up to 4 megabaud | - |
| Thermal Shutdown Temperature | Approximately 150 | °C |
Key Features
- Meets or exceeds the requirements of ANSI Standards EIA/TIA-422-B, RS-485, and ITU Recommendation V.11.
- Designed for multipoint transmission on long bus lines in noisy environments.
- 3-state outputs.
- Common-mode output voltage range of –7V to 12V.
- Active-high enable.
- Thermal shutdown protection.
- Positive- and negative-current limiting.
- Operates from a single 5V supply.
- Low power requirements.
- Functionally interchangeable with MC3487.
Applications
The SN75174DWRG4 is suitable for various applications, including:
- Multipoint bus transmission systems.
- Party-line applications in noisy environments.
- Industrial control systems.
- Factory automation and control.
- Motor drives and other high-reliability communication systems.
Q & A
- What are the key standards that the SN75174DWRG4 complies with?
The SN75174DWRG4 meets or exceeds the requirements of ANSI Standards EIA/TIA-422-B, RS-485, and ITU Recommendation V.11.
- What is the maximum data rate supported by the SN75174DWRG4?
The device supports data rates up to 4 megabaud.
- What is the operating temperature range of the SN75174DWRG4?
The device operates from 0°C to 70°C.
- What type of protection does the SN75174DWRG4 offer against line fault conditions?
The device provides positive- and negative-current limiting and thermal shutdown protection.
- What is the common-mode output voltage range of the SN75174DWRG4?
The common-mode output voltage range is –7V to 12V.
- Can the SN75174DWRG4 be used in noisy environments?
Yes, it is designed for multipoint transmission on long bus lines in noisy environments.
- What is the supply voltage requirement for the SN75174DWRG4?
The device operates from a single 5V supply.
- Is the SN75174DWRG4 functionally interchangeable with other devices?
Yes, it is functionally interchangeable with the MC3487.
- What type of outputs does the SN75174DWRG4 have?
The device features 3-state outputs.
- At what temperature does the thermal shutdown occur?
Thermal shutdown occurs at a junction temperature of approximately 150°C.
