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SI1142-A11-GM
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SI1142-A11-GM

Product Overview

Category

The SI1142-A11-GM 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
  • Proximity detection
  • Integrated infrared LED
  • Low power consumption

Package

The SI1142-A11-GM comes in a small form factor package suitable for surface mount assembly.

Essence

The essence of this product lies in its ability to accurately detect ambient light and proximity, making it ideal for use in smartphones, tablets, and wearable devices.

Packaging/Quantity

The SI1142-A11-GM is typically packaged in reels and is available in varying quantities based on customer requirements.

Specifications

  • Operating Voltage: 1.7V to 3.6V
  • Ambient Light Sensing Range: 0.01 lux to 128k lux
  • Proximity Detection Range: Up to 100mm
  • Integrated I2C Interface
  • Low Power Consumption: <500µA in Proximity Mode

Detailed Pin Configuration

The SI1142-A11-GM features a compact pin configuration with pins for power supply, I2C communication, and ambient light and proximity sensing.

| Pin Name | Function | |----------------|-------------------| | VDD | Power Supply | | SDA | I2C Data Line | | SCL | I2C Clock Line | | INT | Interrupt Output | | GND | Ground |

Functional Features

  • Ambient Light Sensing: The sensor can accurately measure ambient light levels across a wide range.
  • Proximity Detection: It can detect the presence of objects or obstacles within its detection range.
  • Integrated Infrared LED: The built-in IR LED enhances the accuracy of proximity detection in various lighting conditions.

Advantages

  • Low Power Consumption: The sensor operates at minimal power, making it suitable for battery-powered devices.
  • Compact Form Factor: Its small size allows for easy integration into compact electronic devices.
  • High Accuracy: The sensor provides precise ambient light and proximity measurements.

Disadvantages

  • Limited Range: The proximity detection range is limited to 100mm, which may not be suitable for certain applications requiring longer detection distances.

Working Principles

The SI1142-A11-GM utilizes a combination of photodiodes and integrated signal processing to accurately measure ambient light and proximity. When the IR LED is activated, the reflected light is analyzed to determine the proximity of objects.

Detailed Application Field Plans

The SI1142-A11-GM is well-suited for integration into a wide range of electronic devices, including: - Smartphones - Tablets - Wearable devices - Industrial automation equipment

Detailed and Complete Alternative Models

  • SI1145-A10-GM: Offers additional UV index sensing capability
  • SI1153-A10-GM: Provides gesture detection in addition to ambient light and proximity sensing
  • APDS-9930: A similar ambient light and proximity sensor with extended detection range

In conclusion, the SI1142-A11-GM is a versatile ambient light and proximity sensor with low power consumption and high accuracy, making it an ideal choice for various electronic devices.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SI1142-A11-GM v technických řešeních

  1. What is the SI1142-A11-GM?

    • The SI1142-A11-GM is a low-power, reflectance-based infrared proximity, ambient light, and UV index sensor with I2C digital interface.

  2. How does the SI1142-A11-GM measure proximity?

    • The SI1142-A11-GM measures proximity by emitting infrared light and detecting the reflected light to determine the distance to an object.

  3. What is the operating voltage range of the SI1142-A11-GM?

    • The operating voltage range of the SI1142-A11-GM is typically 1.7V to 3.6V.

  4. Can the SI1142-A11-GM measure ambient light levels?

    • Yes, the SI1142-A11-GM can measure ambient light levels using its integrated photodiode.

  5. Does the SI1142-A11-GM provide UV index measurements?

    • Yes, the SI1142-A11-GM includes a UV index sensor for measuring UV radiation levels.

  6. What is the typical power consumption of the SI1142-A11-GM?

    • The typical power consumption of the SI1142-A11-GM is very low, making it suitable for battery-powered applications.

  7. Is the SI1142-A11-GM suitable for outdoor use?

    • Yes, the SI1142-A11-GM's UV index sensor makes it suitable for outdoor applications where UV radiation levels need to be monitored.

  8. Can the SI1142-A11-GM be used in wearable devices?

    • Yes, the low-power consumption and small form factor make the SI1142-A11-GM suitable for integration into wearable devices.

  9. What is the resolution of the proximity sensing in the SI1142-A11-GM?

    • The SI1142-A11-GM offers high-resolution proximity sensing with a resolution of up to 16 bits.

  10. Are there any specific design considerations when integrating the SI1142-A11-GM into a technical solution?

    • Designers should consider proper placement of the sensor for accurate measurements and ensure compatibility with the I2C interface for seamless integration with the host system.