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TSL238T
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TSL238T - English Editing Encyclopedia Entry

Product Overview

The TSL238T belongs to the category of light-to-voltage optical sensors. It is commonly used for ambient light sensing, proximity detection, and light control applications. The sensor possesses unique characteristics such as high sensitivity, low dark voltage, and a wide dynamic range. It is typically packaged in a small surface-mount package and is available in various quantities.

Specifications

  • Operating Voltage: 2.7V to 3.6V
  • Output Type: Analog Voltage
  • Spectral Response Range: 320nm to 1000nm
  • Package Type: Surface Mount
  • Package/Quantity: 4-SMD, No Lead (DFN, LCC) / 2500 per reel

Detailed Pin Configuration

The TSL238T features a standard 4-pin configuration: 1. VDD (Power Supply) 2. GND (Ground) 3. OUT (Analog Output) 4. NC (No Connection)

Functional Features

  • High Sensitivity: The TSL238T offers high sensitivity to light, making it suitable for low-light environments.
  • Low Dark Voltage: This feature ensures minimal output signal in the absence of light, reducing false readings.
  • Wide Dynamic Range: The sensor can accurately detect a broad range of light intensities, enhancing its versatility.

Advantages and Disadvantages

Advantages

  • High sensitivity to light
  • Low dark voltage
  • Wide dynamic range
  • Small surface-mount package

Disadvantages

  • Limited spectral response range
  • Requires external circuitry for precise light control applications

Working Principles

The TSL238T operates based on the principle of converting light intensity into a proportional analog voltage output. When exposed to light, the sensor generates a current that is converted into a voltage signal, providing a direct measure of the incident light level.

Detailed Application Field Plans

The TSL238T is well-suited for various applications, including: - Ambient Light Sensing in Display Devices - Proximity Detection in Mobile Devices - Light Control in Smart Home Systems - Industrial Automation for Light Monitoring

Detailed and Complete Alternative Models

  • TSL257-LF: Offers extended spectral response range
  • TSL2591: Provides digital output and higher resolution
  • TSL45315CL: Integrates infrared and visible light sensing capabilities

In conclusion, the TSL238T is a versatile light-to-voltage optical sensor with high sensitivity and a wide dynamic range, making it suitable for diverse applications in ambient light sensing, proximity detection, and light control.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TSL238T v technických řešeních

  1. What is TSL238T?

    • TSL238T is a light-to-voltage optical sensor that converts light intensity to an analog voltage output.

  2. What is the operating voltage range of TSL238T?

    • The operating voltage range of TSL238T is typically 2.7V to 3.6V.

  3. What is the spectral response of TSL238T?

    • TSL238T has a peak spectral response at approximately 600nm, making it suitable for visible light applications.

  4. How can TSL238T be interfaced with a microcontroller?

    • TSL238T can be interfaced with a microcontroller using its analog voltage output, which can be read using an ADC (Analog-to-Digital Converter) input.

  5. What are the typical applications of TSL238T?

    • TSL238T is commonly used in ambient light sensing, light meters, and industrial control systems.

  6. What is the sensitivity of TSL238T?

    • The sensitivity of TSL238T is typically around 0.65V per microwatt per square centimeter.

  7. Can TSL238T be used in outdoor environments?

    • Yes, TSL238T can be used in outdoor environments, but proper protection from moisture and direct sunlight may be required.

  8. What is the package type of TSL238T?

    • TSL238T is available in a small surface-mount package for easy integration into various devices.

  9. Does TSL238T require any external components for operation?

    • TSL238T requires minimal external components, typically only needing a decoupling capacitor and a pull-up resistor for the output.

  10. Is TSL238T RoHS compliant?

    • Yes, TSL238T is RoHS compliant, making it suitable for use in environmentally conscious designs.