Broadcom Limited
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APDS-9120-020
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APDS-9120-020

Product Overview

The APDS-9120-020 is a proximity sensor belonging to the category of electronic components. It is commonly used for detecting the presence or absence of an object within a certain range. The sensor is characterized by its compact size, high sensitivity, and low power consumption. It is typically packaged in a small, surface-mount package and is available in various quantities to suit different application needs.

Specifications

  • Operating Voltage: 2.4V to 3.6V
  • Current Consumption: 100µA
  • Sensing Distance: Up to 20mm
  • Package Type: Surface Mount
  • Output Type: Digital

Detailed Pin Configuration

The APDS-9120-020 features a standard pin configuration with pins designated for power supply, ground, and digital output. The specific pinout is as follows: 1. VCC (Power Supply) 2. GND (Ground) 3. OUT (Digital Output)

Functional Features

The sensor utilizes an integrated infrared LED and photodiode to detect the presence of objects within its sensing range. When an object is detected, the digital output pin switches to a logic high state, indicating the presence of the object.

Advantages and Disadvantages

Advantages: - Compact size - Low power consumption - High sensitivity

Disadvantages: - Limited sensing range - Susceptible to ambient light interference

Working Principles

The APDS-9120-020 operates based on the principle of reflective light sensing. The integrated LED emits infrared light, which is then reflected off nearby objects and detected by the photodiode. The sensor analyzes the reflected light to determine the presence or absence of an object.

Detailed Application Field Plans

The APDS-9120-020 is commonly used in various applications, including: - Proximity detection in mobile devices - Object detection in robotics - Touchless switches and controls - Industrial automation

Detailed and Complete Alternative Models

For users seeking alternative proximity sensors, the following models can be considered: 1. APDS-9300-020: Offers extended sensing range and ambient light rejection. 2. APDS-9960: Provides gesture recognition in addition to proximity sensing. 3. TMD26721: Integrates ambient light sensing with proximity detection.

In conclusion, the APDS-9120-020 proximity sensor offers a compact and efficient solution for object detection and proximity sensing in a variety of applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de APDS-9120-020 en soluciones técnicas

  1. What is the APDS-9120-020?

    • The APDS-9120-020 is a digital ambient light sensor with an I2C interface, designed for use in various technical solutions to measure ambient light intensity.

  2. How does the APDS-9120-020 communicate with other devices?

    • The APDS-9120-020 communicates with other devices using the I2C (Inter-Integrated Circuit) protocol.

  3. What is the operating voltage range of the APDS-9120-020?

    • The operating voltage range of the APDS-9120-020 is typically 2.5V to 3.6V.

  4. Can the APDS-9120-020 be used in outdoor applications?

    • Yes, the APDS-9120-020 can be used in outdoor applications as it is designed to accurately measure ambient light intensity in various lighting conditions.

  5. What is the typical response time of the APDS-9120-020?

    • The typical response time of the APDS-9120-020 is around 400ms.

  6. Is the APDS-9120-020 suitable for battery-powered devices?

    • Yes, the low power consumption of the APDS-9120-020 makes it suitable for use in battery-powered devices.

  7. Can the APDS-9120-020 be integrated into microcontroller-based systems?

    • Yes, the APDS-9120-020 can be easily integrated into microcontroller-based systems due to its I2C interface and compatibility with various microcontrollers.

  8. What is the spectral response range of the APDS-9120-020?

    • The spectral response range of the APDS-9120-020 is approximately 380nm to 780nm, covering the visible light spectrum.

  9. Does the APDS-9120-020 have built-in ambient light rejection capabilities?

    • Yes, the APDS-9120-020 features built-in ambient light rejection to minimize the impact of infrared and ultraviolet light on ambient light measurements.

  10. Are there any specific application examples where the APDS-9120-020 is commonly used?

    • The APDS-9120-020 is commonly used in applications such as display backlight control, automatic brightness adjustment in mobile devices, and ambient light sensing in IoT devices.