TSOP38438: High-Performance 38.0kHz Infrared Remote Receiver Sensor | Vishay
TSOP38438: The Ultimate 38.0kHz Infrared Remote Receiver Sensor for Precision Applications
The TSOP38438 from Vishay Semiconductor Opto Division represents the pinnacle of infrared remote receiver technology, specifically engineered for 38.0kHz frequency applications. As a leader in optoelectronic innovation, Vishay has crafted this sensor to deliver unmatched performance in signal detection, making it the preferred choice for engineers worldwide. In this comprehensive guide, we explore every aspect of the TSOP38438, from its technical specifications to its diverse applications, ensuring you have all the information needed to leverage its full potential.
Product Overview
The TSOP38438 falls under the category of Optical Sensors - Photo Detectors - Remote Receivers and is classified within Sensors, Transducers. This state-of-the-art component is designed to accurately detect infrared signals at 38.0kHz, the standard frequency for most remote control systems. Its advanced architecture ensures reliable operation across various environments, from consumer electronics to industrial automation systems.
Technical Specifications and Features
1. Precision Band-Pass Filter (38.0kHz Center Frequency)
The integrated 38.0kHz Band-Pass Filter (BPF) provides exceptional frequency selectivity, effectively rejecting interference from ambient light sources and other IR signals. This results in:
- 98% interference rejection ratio
- 2kHz frequency tolerance
- Improved signal-to-noise ratio
2. Industry-Leading 45 Meter Detection Range
The TSOP38438's extended 45m sensing distance surpasses most competitors, enabled by:
- High-sensitivity photodiode array
- Advanced signal amplification circuitry
- Optimized IR lens design
3. Versatile Power Supply (2.5V to 5.5V Operation)
The wide voltage range accommodates various power scenarios:
- Single-cell lithium battery operation (3V)
- Standard 5V logic systems
- Low-power 2.5V applications
4. Ultra-Low 450 A Power Consumption
The sensor's power efficiency features include:
- Auto-power-down during inactivity
- Dynamic current adjustment
- Energy-saving mode compatible
5. Robust Physical Design
Construction highlights:
- Side-view orientation for optimal signal reception
- Through-hole mounting for mechanical stability
- Epoxy-encapsulated package for durability
6. Extended Temperature Range (-25 C to 85 C)
Reliable performance in extreme conditions:
- Industrial-grade components
- Thermal compensation circuitry
- Humidity-resistant packaging
Advanced Applications
Consumer Electronics
- Smart TV and set-top box remote control systems
- Home automation controllers
- Air conditioning and climate control units
Industrial Automation
- Machine tool wireless control
- Robotic command systems
- Process monitoring sensors
Security Systems
- Long-range motion detectors
- Intrusion alarm sensors
- Surveillance camera triggers
Automotive Solutions
- Keyless entry systems
- Garage door openers
- Vehicle proximity detectors
Competitive Advantages
The TSOP38438 outperforms similar products through:
- Superior Range: 45m vs. typical 20-30m competitors
- Wider Voltage Compatibility: 2.5-5.5V vs. fixed 5V alternatives
- Enhanced Reliability: Vishay's 20-year optoelectronics expertise
- Better Noise Immunity: Advanced filtering technology
Implementation Guidelines
Circuit Design Recommendations
- Place 100nF decoupling capacitor within 10mm of VCC pin
- Use 10k pull-up resistor for open-collector output
- Maintain 30mm clearance from other IR sources
Mechanical Considerations
- Ensure unobstructed IR path to sensor lens
- Angle sensor 15-30 for optimal reception
- Use mounting brackets in high-vibration environments
Why Choose Vishay's TSOP38438?
Vishay Semiconductor brings three decades of optoelectronic innovation to the TSOP38438, offering:
- Industry-leading quality control (0.1% defect rate)
- Global technical support network
- RoHS and REACH compliance
- Competitive pricing with volume discounts
Conclusion
The TSOP38438 stands as the premier choice for 38.0kHz infrared remote reception, combining Vishay's engineering excellence with practical, real-world performance. Its unmatched 45-meter range, ultra-low power consumption, and robust construction make it ideal for demanding applications across multiple industries. Whether you're designing consumer products, industrial equipment, or automotive systems, the TSOP38438 delivers reliable, precision performance that exceeds expectations.
Ready to experience the TSOP38438 difference? Contact our sales team today for samples, datasheets, and design support to integrate this exceptional sensor into your next project.