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OPB493L11 Encyclopedia Entry
Product Overview
Category
The OPB493L11 belongs to the category of optical sensors.
Use
It is used for detecting the presence or absence of an object by utilizing an infrared light source and a photodetector.
Characteristics
- Utilizes infrared light for detection
- Compact size
- High sensitivity
- Reliable performance
Package
The OPB493L11 is typically available in a small, surface-mount package.
Essence
The essence of OPB493L11 lies in its ability to accurately detect the presence of objects in various applications.
Packaging/Quantity
It is commonly packaged in reels and available in quantities suitable for mass production.
Specifications
- Operating Wavelength: 950 nm
- Supply Voltage: 4.5 V to 5.5 V
- Output Type: Phototransistor
- Operating Temperature Range: -40°C to 85°C
- Response Time: 15 µs
Detailed Pin Configuration
The OPB493L11 typically has three pins: 1. VCC (Supply Voltage) 2. GND (Ground) 3. OUT (Output)
Functional Features
- Infrared LED and phototransistor in a single package
- Digital output for easy interfacing with microcontrollers
- Built-in ambient light rejection
Advantages
- High sensitivity to detect objects
- Compact size allows for versatile integration
- Reliable performance across varying environmental conditions
Disadvantages
- Limited range compared to some other sensing technologies
- Susceptible to interference from certain types of ambient light sources
Working Principles
The OPB493L11 operates based on the principle of detecting the reflection of emitted infrared light from an object. When an object is present, the reflected light is detected by the phototransistor, causing a change in the output signal.
Detailed Application Field Plans
The OPB493L11 is widely used in the following applications: - Object detection in automated machinery - Paper detection in printers and copiers - Proximity sensing in consumer electronics
Detailed and Complete Alternative Models
Some alternative models to OPB493L11 include: - TCRT5000: Similar infrared reflective sensor - QRE1113: Reflective object sensor with analog output - GP2Y0A21YK0F: Long-range distance measuring sensor
In conclusion, the OPB493L11 optical sensor offers reliable object detection capabilities in a compact package, making it suitable for a wide range of applications.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací OPB493L11 v technických řešeních
What is OPB493L11?
- OPB493L11 is a reflective object sensor that consists of an infrared LED and a phototransistor.
How does OPB493L11 work?
- The infrared LED emits light, which is then reflected off an object and detected by the phototransistor, allowing it to sense the presence or absence of the object.
What are the typical applications of OPB493L11?
- OPB493L11 is commonly used in applications such as object detection, position sensing, and counting in various technical solutions.
What is the operating voltage range for OPB493L11?
- The operating voltage range for OPB493L11 is typically between 4.5V and 5.5V.
What is the sensing distance of OPB493L11?
- The sensing distance of OPB493L11 can vary based on the specific application and environmental conditions, but it is generally in the range of a few millimeters to a few centimeters.
Can OPB493L11 be used in harsh environments?
- OPB493L11 is not designed for harsh environments and may require additional protection or housing if used in dusty, wet, or extreme temperature conditions.
What is the output type of OPB493L11?
- OPB493L11 typically provides a digital output, indicating the presence or absence of the detected object.
Is OPB493L11 suitable for use in mobile robotics?
- Yes, OPB493L11 can be used in mobile robotics for tasks such as line following, obstacle detection, and proximity sensing.
Does OPB493L11 require any external components for operation?
- OPB493L11 may require external resistors or capacitors for proper operation, depending on the specific circuit design and application requirements.
Can OPB493L11 be used in conjunction with microcontrollers?
- Yes, OPB493L11 can be easily interfaced with microcontrollers to provide real-time object detection and sensing capabilities in technical solutions.