Overview
The SN75174DW, produced by Texas Instruments, is a monolithic quadruple differential line driver designed to meet the requirements of ANSI Standards EIA/TIA-422-B and RS-485, as well as ITU Recommendation V.11. This device is optimized for balanced multipoint bus transmission at rates up to 4 megabaud and is particularly suited for party-line applications in noisy environments. It features 3-state outputs and operates from a single 5V supply, making it a reliable choice for various communication systems.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 20-SOIC (DW) |
| Pins | 20 |
| Operating Temperature Range (°C) | 0 to 70 |
| Supply Voltage | 4.75 V to 5.25 V |
| Common-Mode Output Voltage Range | –7 V to 12 V |
| Differential Output Voltage | Up to 1.5 V |
| Maximum 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 and 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 SN75174DW is ideal for various applications requiring reliable differential line driving, such as:
- Multipoint transmission on long bus lines.
- Party-line applications in noisy environments.
- Industrial control systems.
- Telecommunications equipment.
- Automotive and aerospace communication systems.
Q & A
- What are the key standards that the SN75174DW complies with? The SN75174DW meets or exceeds the requirements of ANSI standards EIA/TIA-422-B and RS-485, as well as ITU Recommendation V.11.
- What is the operating temperature range of the SN75174DW? The device operates from 0°C to 70°C.
- What is the common-mode output voltage range of the SN75174DW? The common-mode output voltage range is –7V to 12V.
- Does the SN75174DW have thermal shutdown protection? Yes, it has thermal shutdown protection that occurs at a junction temperature of approximately 150°C.
- What is the maximum data rate supported by the SN75174DW? The device supports data rates up to 4 megabaud.
- Can the SN75174DW be used in noisy environments? Yes, it is designed for multipoint transmission on long bus lines in noisy environments.
- What type of supply does the SN75174DW require? The device operates from a single 5V supply.
- Is the SN75174DW functionally interchangeable with other devices? Yes, it is functionally interchangeable with the MC3487.
- What is the package type of the SN75174DW? The device is available in a 20-SOIC (DW) package.
- What are some typical applications of the SN75174DW? Typical applications include multipoint transmission on long bus lines, party-line applications in noisy environments, industrial control systems, telecommunications equipment, and automotive and aerospace communication systems.
