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SI1142-A10-GMR
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SI1142-A10-GMR

Product Overview

Category

The SI1142-A10-GMR belongs to the category of ambient light and proximity sensors.

Use

It is used for detecting ambient light and proximity in various electronic devices.

Characteristics

  • Ambient light sensing with high sensitivity
  • Proximity detection with intelligent gesture recognition
  • Integrated infrared LED and photodiode
  • Low power consumption
  • Small package size for space-constrained designs

Package

The SI1142-A10-GMR comes in a small form factor package suitable for integration into compact electronic devices.

Essence

The essence of the SI1142-A10-GMR lies in its ability to provide accurate ambient light sensing and proximity detection in a compact and energy-efficient manner.

Packaging/Quantity

The sensor is typically available in reels containing a specific quantity as per the manufacturer's specifications.

Specifications

  • Ambient Light Sensing Range: 0.01 lux to 128 k lux
  • Proximity Detection Range: Up to 100 mm
  • Operating Voltage: 1.7V to 3.6V
  • I2C Interface
  • Low Power Consumption: 1.5 µA average power consumption

Detailed Pin Configuration

The SI1142-A10-GMR features a detailed pin configuration including power supply, I2C interface, and sensor input/output pins. Refer to the datasheet for the complete pinout details.

Functional Features

  • Ambient light sensing with high resolution
  • Proximity detection with intelligent gesture recognition
  • Programmable LED drive current for proximity detection
  • Internal ADC for analog-to-digital conversion
  • Interrupt functionality for efficient power management

Advantages and Disadvantages

Advantages

  • High sensitivity ambient light sensing
  • Intelligent gesture recognition for proximity detection
  • Low power consumption for energy-efficient operation
  • Small package size for space-constrained designs

Disadvantages

  • Limited proximity detection range compared to some alternative models
  • Requires careful calibration for optimal performance in different lighting conditions

Working Principles

The SI1142-A10-GMR utilizes integrated infrared LED and photodiode to detect ambient light and proximity. The sensor's intelligent gesture recognition algorithms enable it to accurately detect and interpret proximity gestures.

Detailed Application Field Plans

The SI1142-A10-GMR is well-suited for a wide range of applications including: - Mobile devices for automatic display brightness adjustment - Wearable devices for gesture-based control - Industrial and automotive applications for proximity detection and ambient light sensing

Detailed and Complete Alternative Models

Some alternative models to the SI1142-A10-GMR include: - SI1143-A10-GMR: Enhanced proximity detection range - SI1153-A10-GMR: Ambient light and UV index sensing capabilities - APDS-9930: Proximity and ambient light sensor with digital output

In conclusion, the SI1142-A10-GMR offers high sensitivity ambient light sensing and intelligent proximity detection in a compact and energy-efficient package, making it suitable for various electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SI1142-A10-GMR v technických řešeních

  1. What is the SI1142-A10-GMR sensor used for?

    • The SI1142-A10-GMR sensor is used for proximity sensing, ambient light sensing, and UV index measurement in various technical solutions.

  2. How does the SI1142-A10-GMR sensor measure proximity?

    • The sensor uses an infrared LED and photodiodes to detect the presence of objects within a certain range, enabling proximity sensing capabilities.

  3. What is the operating voltage range of the SI1142-A10-GMR sensor?

    • The operating voltage range of the sensor is typically between 1.7V and 3.6V, making it suitable for low-power applications.

  4. Can the SI1142-A10-GMR sensor be used for gesture recognition?

    • Yes, the sensor can be utilized for basic gesture recognition by detecting changes in proximity and ambient light levels.

  5. What is the spectral response range of the ambient light sensor in the SI1142-A10-GMR?

    • The ambient light sensor has a spectral response range of approximately 320nm to 1050nm, covering a wide range of lighting conditions.

  6. Is the SI1142-A10-GMR sensor suitable for outdoor applications?

    • Yes, the sensor's UV index measurement capability makes it well-suited for outdoor applications where monitoring UV radiation exposure is important.

  7. Does the SI1142-A10-GMR sensor require external calibration?

    • The sensor comes factory-calibrated, reducing the need for extensive external calibration in most applications.

  8. What communication interface does the SI1142-A10-GMR sensor support?

    • The sensor typically supports I2C communication, allowing for easy integration with microcontrollers and other digital systems.

  9. Can the SI1142-A10-GMR sensor operate in harsh environmental conditions?

    • While the sensor is sensitive to its operating environment, proper encapsulation and protection can enable its use in moderately harsh conditions.

  10. Are there any specific application notes or reference designs available for integrating the SI1142-A10-GMR sensor?

    • Yes, the manufacturer provides application notes and reference designs to assist with the seamless integration of the sensor into various technical solutions.