Overview
The SN75172DW, 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 of up to 4 megabaud, making it suitable for party-line applications in noisy environments. The SN75172DW features 3-state outputs and is characterized for operation from 0°C to 70°C.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 20-SOIC (DW) |
| Pins | 20 |
| Operating Temperature Range | 0°C to 70°C |
| Supply Voltage | 4.75 V to 5.25 V |
| Common-Mode Output Voltage Range | –7V to 12V |
| Transmission Rate | Up to 4 megabaud |
| Thermal Shutdown Temperature | Approximately 150°C |
| Lead Free Status / ROHS Status | Lead Free / ROHS Compliant |
| Mounting Type | Surface Mount |
| Number of Drivers/Receivers | 4/0 |
| Protocol | RS422, RS485 |
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 and active-low enables.
- Thermal shutdown protection.
- Positive- and negative-current limiting.
- Operates from a single 5V supply.
- Logically interchangeable with AM26LS31.
Applications
The SN75172DW is suitable for various applications requiring reliable and high-speed data transmission over long distances, particularly in noisy environments. These include:
- Multipoint bus transmission systems.
- Party-line applications.
- Industrial control systems.
- Telecommunications equipment.
- Automotive and aerospace systems requiring robust data transmission.
Q & A
- What is the primary function of the SN75172DW?
The SN75172DW is a quadruple differential line driver designed for multipoint bus transmission at rates of up to 4 megabaud.
- What standards does the SN75172DW comply with?
The SN75172DW 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 SN75172DW?
The device operates from 0°C to 70°C.
- What is the common-mode output voltage range of the SN75172DW?
The common-mode output voltage range is –7V to 12V.
- Does the SN75172DW have thermal shutdown protection?
- Can the SN75172DW be used in noisy environments?
- What is the supply voltage range for the SN75172DW?
The supply voltage range is 4.75 V to 5.25 V.
- Is the SN75172DW lead-free and ROHS compliant?
- What type of mounting does the SN75172DW use?
The device uses surface mount technology.
- Can the SN75172DW be used with other Texas Instruments components?
