Overview
The SN75ALS174ADWR, manufactured by Texas Instruments, is a quadruple differential line driver designed to meet the requirements of ANSI Standards EIA/TIA-422-B and RS-485. This device is optimized for balanced multipoint bus transmission at rates of up to 20Mbit/s, making it suitable for applications in noisy environments. It features tri-state differential outputs and is characterized for operation from 0°C to 70°C. The SN75ALS174ADWR provides robust protection mechanisms, including positive- and negative-current limiting and thermal shutdown, ensuring reliable operation under various conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Data Rate | Up to 20Mbit/s | - |
| Operating Voltage Range | 4.5V to 5.5V | V |
| Number of Channels | 4 | - |
| Propagation Delay | Low delay for high-speed applications | - |
| Operating Temperature Range | 0°C to 70°C | °C |
| Package Type | SOIC (DW), PDIP (N), TSSOP (PW) | - |
| Package Size (SOIC DW) | 12.8mm × 10.3mm | mm |
| Driver Output Capacity | 60mA | mA |
| Supply Current Requirements | 55mA max | mA |
Key Features
- Meets or exceeds the requirements of ANSI EIA/TIA-422-B and RS-485 standards.
- High-speed advanced low-power Schottky circuitry.
- Designed for up to 20Mbit/s operation in both serial and parallel applications.
- Suitable for multipoint transmission on long bus lines in noisy environments.
- Wide positive and negative input/output bus voltage ranges.
- Driver output capacity: 60mA.
- Thermal-shutdown protection and driver positive- and negative-current limiting.
- Functionally interchangeable with SN75174.
- Low supply current requirements (55mA max).
Applications
- Industrial control systems: Precise and reliable data transmission over long distances.
- Communications equipment: Ensures accurate signal reception in noisy environments.
- Data acquisition systems: Captures and processes differential signals with high fidelity.
- Motor control systems: Receives and interprets control signals for precise motor operation.
- Test and measurement instruments: Ensures reliable operation and data integrity.
- Factory automation and control: High-speed data transmission in automated systems.
- Motor drives: Reliable signal transmission for motor control applications.
Q & A
- What is the SN75ALS174ADWR used for?
The SN75ALS174ADWR is a quadruple differential line driver used for high-speed data transmission in various applications, including industrial control, communications, data acquisition, and motor control systems.
- What standards does the SN75ALS174ADWR comply with?
The SN75ALS174ADWR meets or exceeds the requirements of ANSI Standards EIA/TIA-422-B and RS-485.
- What is the maximum data rate of the SN75ALS174ADWR?
The SN75ALS174ADWR can operate at data rates up to 20Mbit/s.
- What are the key protection features of the SN75ALS174ADWR?
The device features thermal-shutdown protection and positive- and negative-current limiting to protect against line fault conditions.
- What is the operating temperature range of the SN75ALS174ADWR?
The SN75ALS174ADWR is characterized for operation from 0°C to 70°C.
- What types of packages are available for the SN75ALS174ADWR?
The SN75ALS174ADWR is available in SOIC (DW), PDIP (N), and TSSOP (PW) packages.
- Can the SN75ALS174ADWR be used in noisy environments?
- Is the SN75ALS174ADWR functionally interchangeable with other components?
- What are some common applications of the SN75ALS174ADWR?
- How does the SN75ALS174ADWR ensure reliable signal reception?
