ITR8102 Encyclopedia Entry

Product Overview

The ITR8102 belongs to the category of optical sensors and is commonly used for detecting motion, position, and speed in various electronic devices. Its characteristics include high sensitivity, compact size, and low power consumption. The package typically includes the sensor itself along with any necessary connectors or mounting hardware. The essence of the ITR8102 lies in its ability to accurately detect changes in light intensity, making it suitable for a wide range of applications. It is usually packaged in quantities suitable for industrial or commercial use.

Specifications

• Operating Voltage: 3V to 5.5V
• Output Type: Digital
• Sensing Distance: Up to 10mm
• Operating Temperature: -40°C to 85°C
• Package Type: Surface Mount

Detailed Pin Configuration

The ITR8102 typically features four pins: 1. VCC (Power Supply) 2. GND (Ground) 3. OUT (Digital Output) 4. NC (Not Connected)

Functional Features

The ITR8102 utilizes an integrated infrared LED and phototransistor to detect changes in light intensity. When an object moves within the sensing distance, the reflected infrared light is detected by the phototransistor, causing the digital output pin to change state.

Advantages and Disadvantages

Advantages

• High sensitivity
• Compact size
• Low power consumption
• Digital output for easy interfacing

Disadvantages

• Limited sensing distance
• Susceptible to ambient light interference

Working Principles

The working principle of the ITR8102 is based on the modulation of infrared light. When an object enters the sensing range, it reflects the emitted infrared light back to the sensor. The phototransistor then detects this change in light intensity and triggers the digital output accordingly.

Detailed Application Field Plans

The ITR8102 finds extensive application in the following fields: - Proximity sensing in mobile devices - Speed detection in printers and copiers - Object detection in robotics and automation - Motion sensing in security systems

Detailed and Complete Alternative Models

Some alternative models to the ITR8102 include: - ITR8301: Offers longer sensing distance - ITR8003: Provides analog output for precise distance measurement - ITR8200: Enhanced resistance to ambient light interference

In conclusion, the ITR8102 is a versatile optical sensor with a wide range of applications, offering high sensitivity and low power consumption. While it has limitations in sensing distance and susceptibility to ambient light, it remains a popular choice for motion and proximity detection in various electronic devices.

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