OPB891N51
Product Category: Sensor
Basic Information Overview: - Category: Optical Sensor - Use: Detection of objects or motion - Characteristics: High sensitivity, compact size, low power consumption - Package: Surface mount package - Essence: Utilizes infrared light for detection - Packaging/Quantity: Typically available in reels of 1000 units
Specifications: - Operating Voltage: 3.3V to 5V - Output Type: Digital (TTL compatible) - Detection Range: Up to 10mm - Response Time: 1ms - Operating Temperature: -40°C to 85°C
Detailed Pin Configuration: - Pin 1: VCC - Pin 2: GND - Pin 3: Output
Functional Features: - Utilizes an integrated infrared LED and phototransistor to detect the presence or absence of an object - Digital output simplifies interfacing with microcontrollers - Compact design allows for easy integration into various applications
Advantages: - High sensitivity enables reliable object detection - Low power consumption prolongs battery life in portable devices - Small form factor facilitates integration into space-constrained designs
Disadvantages: - Limited detection range may not be suitable for long-range applications - Susceptible to ambient light interference in certain environments
Working Principles: The OPB891N51 operates based on the interruption of the infrared light beam emitted by its integrated LED. When an object is present within the detection range, the light is reflected onto the phototransistor, causing it to conduct and produce a digital output signal.
Detailed Application Field Plans: - Object detection in automated dispensing systems - Proximity sensing in robotics and automation - Paper detection in printers and copiers - Slot detection in vending machines
Detailed and Complete Alternative Models: - OPB9000: Offers longer detection range - OPB700: Provides analog output for distance measurement applications - TCST2103: Integrates visible light and infrared sensors for versatile detection capabilities
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av OPB891N51 i tekniska lösningar
What is OPB891N51?
- OPB891N51 is a reflective object sensor with an integrated infrared emitter and phototransistor.
What are the typical applications of OPB891N51?
- OPB891N51 is commonly used in industrial automation, robotics, and motion control systems for detecting the presence or absence of objects.
What is the operating voltage range of OPB891N51?
- The operating voltage range of OPB891N51 is typically 4.5V to 5.5V.
How does OPB891N51 detect objects?
- OPB891N51 emits infrared light and detects the reflected light from objects, allowing it to determine the presence or absence of objects.
What is the sensing distance of OPB891N51?
- The sensing distance of OPB891N51 can vary based on the reflectivity of the object, but it is typically in the range of a few millimeters to a few centimeters.
Can OPB891N51 be used in harsh environments?
- OPB891N51 has a rugged design and can withstand some level of environmental stress, but it's important to consider the specific environmental conditions and potential contaminants in the application.
Does OPB891N51 require any external components for operation?
- OPB891N51 typically requires minimal external components for operation, such as current-limiting resistors and decoupling capacitors.
What output does OPB891N51 provide?
- OPB891N51 provides a digital output, typically in the form of an open-collector or push-pull output, depending on the specific model.
Can OPB891N51 be used for speed sensing in motor control applications?
- Yes, OPB891N51 can be utilized for speed sensing by detecting the presence of slots or markings on rotating shafts or discs.
Are there any special considerations for mounting OPB891N51?
- It's important to ensure proper alignment and mounting of OPB891N51 to optimize its performance, especially in applications where precise object detection is critical.