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OPB872L51
Product Overview
The OPB872L51 is a reflective object sensor designed for use in various applications. This sensor falls under the category of optoelectronic devices and is commonly used for detecting the presence or absence of objects, as well as for position sensing. Its characteristics include high sensitivity, compact package, and reliable performance. The sensor is typically available in a standard package and is essential for applications requiring precise object detection.
Package and Quantity
The OPB872L51 sensor is typically packaged individually and is available in standard quantities suitable for various project requirements.
Specifications
- Operating Voltage: 5V
- Current Consumption: 20mA
- Sensing Distance: Up to 10mm
- Output Type: Digital (TTL compatible)
- Response Time: 15μs
Detailed Pin Configuration
The OPB872L51 sensor features a straightforward pin configuration: 1. VCC - Power supply input 2. GND - Ground connection 3. OUT - Digital output signal
Functional Features
- High sensitivity for accurate object detection
- Compact and easy-to-use design
- Digital output for seamless integration with microcontrollers
- Fast response time for real-time applications
Advantages and Disadvantages
Advantages
- Reliable and consistent performance
- Suitable for various object detection applications
- Easy to integrate into existing systems
Disadvantages
- Limited sensing distance compared to some other sensors
- Susceptible to ambient light interference in certain environments
Working Principles
The OPB872L51 operates on the principle of reflective sensing. It emits an infrared light beam and detects the reflection from nearby objects. When an object is within the sensing range, the sensor's output transitions to indicate the presence of the object.
Detailed Application Field Plans
The OPB872L51 sensor finds extensive application in the following fields: - Automated assembly lines - Robotics - Object counting systems - Industrial automation - Proximity sensing in consumer electronics
Detailed and Complete Alternative Models
For users seeking alternative models, the following sensors can be considered: 1. TCRT5000 - Similar reflective object sensor with adjustable sensitivity 2. GP2Y0A21YK0F - Infrared proximity sensor with longer sensing range 3. QRE1113 - Reflective object sensor with analog output for distance measurement
In conclusion, the OPB872L51 reflective object sensor offers reliable performance and high sensitivity, making it suitable for a wide range of applications. While it has limitations in terms of sensing distance and susceptibility to ambient light, its compact design and digital output make it a valuable component in various electronic and industrial systems.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng OPB872L51 trong giải pháp kỹ thuật
What is OPB872L51?
- OPB872L51 is a reflective object sensor with an integrated infrared LED and phototransistor.
What are the typical applications of OPB872L51?
- It is commonly used for object detection, counting, and position sensing in various technical solutions.
What is the operating voltage range of OPB872L51?
- The operating voltage range is typically 4.5V to 5.5V.
How does OPB872L51 detect objects?
- It uses the reflection of the emitted infrared light to detect the presence or absence of an object.
What is the sensing distance of OPB872L51?
- The sensing distance can vary based on the specific application and environmental conditions, but it is typically in the range of a few millimeters to a few centimeters.
Can OPB872L51 be used in harsh environments?
- It has a wide operating temperature range and can be used in various environments, but it's important to consider factors such as dust, moisture, and ambient light interference.
What output does OPB872L51 provide?
- It provides a digital output, typically in the form of a logic high or low signal based on the presence or absence of the detected object.
Is OPB872L51 sensitive to ambient light?
- It has built-in ambient light rejection capabilities, but excessive ambient light can still affect its performance.
Can OPB872L51 be used for speed sensing?
- While it's primarily designed for object detection, it can be utilized for speed sensing by measuring the frequency of object interruptions in a given time period.
Are there any special considerations for integrating OPB872L51 into a technical solution?
- It's important to carefully calibrate and position the sensor for optimal performance, and to account for potential interference from other infrared sources in the environment.