LST7574/TR Overview
The LST7574/TR is a high-performance dual differential line receiver designed for robust data communication in industrial and instrumentation applications. It supports balanced data transmission with wide common-mode voltage range and strong noise immunity, ensuring reliable signal integrity over long cable runs. With its low power consumption and high-speed switching capabilities, this device is ideal for environments requiring precise differential signal detection and fault tolerance. The LST7574/TR offers enhanced ESD protection and integrated line fault detection. For more detailed specifications and purchasing options, visit IC Manufacturer.
LST7574/TR Key Features
- Dual differential input receivers provide balanced data signal processing, improving noise rejection and reducing signal distortion in industrial communication.
- Wide common-mode voltage range enables operation with various signal levels, enhancing compatibility with different transmission standards.
- Low input bias current reduces power consumption, supporting energy-efficient system designs.
- High-speed switching ensures minimal propagation delay, facilitating fast and reliable data transfer.
- Enhanced ESD protection safeguards device integrity against electrostatic discharges, increasing long-term reliability.
- Open-collector outputs allow wired-AND logic configurations, simplifying multi-node bus systems.
- Line fault detection capability identifies open or shorted input lines, improving system diagnostics and maintenance.
LST7574/TR Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (Vcc) | 4.75 to 5.25 | V |
| Input Voltage Range (Common-Mode) | -7 to +12 | V |
| Input Threshold Voltage | ??200 | mV |
| Propagation Delay (Typical) | 23 | ns |
| Input Bias Current | ??0.5 | ??A |
| Output Type | Open Collector | ?C |
| ESD Protection (Human Body Model) | >2000 | V |
| Operating Temperature Range | -40 to +85 | ??C |
| Supply Current | 8 | mA |
LST7574/TR Advantages vs Typical Alternatives
This dual differential line receiver excels with a wider common-mode voltage range and enhanced noise immunity compared to typical alternatives. Its low input bias current and fast propagation delay improve both power efficiency and data throughput, critical for demanding industrial environments. Additionally, integrated line fault detection and robust ESD protection increase system reliability and reduce maintenance needs, making it a superior choice for industrial communication networks.
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Typical Applications
- Industrial data communication systems requiring noise-immune differential signal reception over long cable distances, ensuring accurate data transfer in harsh environments.
- Instrumentation devices utilizing balanced line inputs for precise measurement signal conditioning.
- Multi-drop bus systems leveraging open-collector outputs for wired-AND logic configurations.
- Control and automation networks where robust fault detection and signal integrity are critical for reliable operation.
LST7574/TR Brand Info
The LST7574/TR is manufactured by a leading semiconductor supplier specializing in high-reliability industrial components. This product line is known for strict quality control and adherence to industry standards, providing dependable performance in critical applications. The device is offered in a compact package suitable for automated assembly and integrates seamlessly into various industrial and instrumentation designs.
FAQ
What is the common-mode voltage range supported by this differential line receiver?
The device supports a wide common-mode voltage range from -7 V to +12 V, which allows it to operate reliably with various balanced signal levels and tolerate voltage offsets present in industrial environments.
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How does the open-collector output benefit system design?
Open-collector outputs enable wired-AND logic configurations, allowing multiple devices to share a communication bus without contention. This simplifies multi-node network designs and improves scalability.
What protection features does the LST7574/TR include?
The device incorporates enhanced electrostatic discharge (ESD) protection exceeding 2000 V per Human Body Model standards, safeguarding it against common handling and environmental static events.
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Can this receiver detect line faults such as open or short circuits?
Yes, integrated line fault detection helps identify open or shorted input lines, aiding diagnostics and enabling timely maintenance to minimize system downtime.
What is the typical propagation delay and why is it important?
The typical propagation delay is 23 ns, which is critical for high-speed data communications where minimizing signal latency ensures timely and accurate data processing across the system.
