Overview
The SN75LBC174DW is a quad low-power differential line driver manufactured by Texas Instruments. It is an integrated circuit (IC) designed for high-speed multipoint data transmission in noisy environments. This model is particularly suited for applications requiring robust communication over long bus lines, such as industrial automation and telecommunications. The SN75LBC174DW is optimized for compliance with the EIA-485 standard, offering features like wide common-mode voltage range, current limiting, and thermal shutdown protection.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Type | Line Driver, Transmitter | - | - |
| Driver/Receiver Count | 4/0 | - | - |
| Protocol | RS422, RS485 | - | - |
| Supply Voltage | 4.75 - 5.25 | V | - |
| Installation Type | Surface Mount | - | - |
| Package/Case | 20-SOIC | - | 0.295", 7.50mm wide |
| Operating Temperature | 0 to +70 | °C | - |
| Data Rate | Up to 10 | Mbps | - |
| Common Mode Range | -7 to +12 | V | - |
| Current Consumption | 1.5 | mA | Max (Output Disabled) |
Key Features
- Complies with EIA-485 standards for reliable communication.
- Quad differential line drivers with 3-state outputs.
- Wide common-mode voltage range of -7 V to +12 V.
- Current limiting and thermal shutdown protection for enhanced reliability.
- Low power consumption, making it suitable for energy-efficient applications.
- Optimized for high-speed data transmission in noisy environments.
Applications
The SN75LBC174DW is widely used in applications requiring robust and high-speed data transmission over long distances. Typical use cases include:
- Industrial Automation: For communication in factory automation systems and process control.
- Telecommunications: In networking equipment and data transmission systems.
- Automotive Electronics: For vehicle communication networks and diagnostic systems.
- Consumer Electronics: In devices requiring reliable data transfer, such as printers and scanners.
Q & A
1. What is the operating voltage range of the SN75LBC174DW?
The operating voltage range is 4.75 V to 5.25 V.
2. What protocols does the SN75LBC174DW support?
It supports RS422 and RS485 protocols.
3. What is the maximum data rate of this IC?
The maximum data rate is up to 10 Mbps.
4. What is the common-mode voltage range?
The common-mode voltage range is -7 V to +12 V.
5. What is the package type of the SN75LBC174DW?
It comes in a 20-SOIC package.
6. Does the SN75LBC174DW have thermal shutdown protection?
Yes, it includes thermal shutdown protection.
7. What is the operating temperature range?
The operating temperature range is 0°C to +70°C.
8. How many drivers and receivers does the IC have?
It has 4 drivers and 0 receivers.
9. Is the SN75LBC174DW suitable for industrial applications?
Yes, it is designed for industrial automation and other demanding environments.
10. What is the typical current consumption?
The typical current consumption is 1.5 mA when the output is disabled.
