Rohm Semiconductor
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BH1745NUC-E2
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BH1745NUC-E2

Product Overview

The BH1745NUC-E2 belongs to the category of digital color sensors and is designed for use in various applications such as display color adjustment, light source color temperature measurement, and health monitoring devices. This sensor is known for its high accuracy, low power consumption, and compact package, making it suitable for integration into small form factor devices. The BH1745NUC-E2 is available in a small package and is offered in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

  • Operating Voltage: 2.3V to 3.6V
  • Current Consumption: 200μA (typical)
  • Output Data: I2C Interface
  • Measurement Range: 0 lux to 65535 lux
  • High Accuracy: ±10% (typical)

Detailed Pin Configuration

The BH1745NUC-E2 features a 10-pin configuration, including power supply, ground, I2C interface, interrupt output, and photometric data output pins. The detailed pinout configuration can be found in the product datasheet.

Functional Features

  • High-accuracy color sensing
  • Wide dynamic range
  • Programmable interrupt function
  • Low power consumption
  • I2C interface for easy integration

Advantages and Disadvantages

Advantages

  • High accuracy in color sensing
  • Low power consumption
  • Wide dynamic range for diverse applications
  • Small form factor for easy integration

Disadvantages

  • Limited to I2C interface for communication
  • May require additional components for specific applications

Working Principles

The BH1745NUC-E2 operates based on the principle of light absorption by photodiodes and subsequent conversion into digital color information. It utilizes optical filters to sense red, green, blue, and clear light components, providing accurate color measurements.

Detailed Application Field Plans

The BH1745NUC-E2 is well-suited for a wide range of applications, including: - Display color adjustment in smartphones, tablets, and monitors - Light source color temperature measurement in smart lighting systems - Health monitoring devices for measuring heart rate and blood oxygen levels

Detailed and Complete Alternative Models

Some alternative models to the BH1745NUC-E2 include the TCS34725, APDS-9930, and SI1145. These alternatives offer similar functionality and are commonly used in applications requiring digital color sensing.

In conclusion, the BH1745NUC-E2 digital color sensor offers high accuracy, low power consumption, and a compact package, making it an ideal choice for various color sensing applications across different industries.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von BH1745NUC-E2 in technischen Lösungen auf

  1. What is the BH1745NUC-E2?

    • The BH1745NUC-E2 is a digital color sensor IC that can accurately detect RGB (Red, Green, Blue) and infrared light.

  2. How does the BH1745NUC-E2 work?

    • The BH1745NUC-E2 uses photodiodes to detect light intensity across different wavelengths, allowing it to measure the color and brightness of ambient light.

  3. What are the typical applications of the BH1745NUC-E2?

    • The BH1745NUC-E2 is commonly used in applications such as display color adjustment, ambient light sensing for mobile devices, and color management in lighting systems.

  4. What is the communication interface for the BH1745NUC-E2?

    • The BH1745NUC-E2 supports I2C communication, making it easy to integrate with microcontrollers and other digital systems.

  5. Can the BH1745NUC-E2 be used for color calibration in displays?

    • Yes, the BH1745NUC-E2 is suitable for display color calibration and can help ensure accurate color reproduction on screens.

  6. What is the power supply requirement for the BH1745NUC-E2?

    • The BH1745NUC-E2 typically operates at a supply voltage of 2.3V to 3.6V, making it compatible with a wide range of power sources.

  7. Is the BH1745NUC-E2 suitable for portable devices?

    • Yes, the low power consumption and small form factor of the BH1745NUC-E2 make it well-suited for integration into portable and battery-powered devices.

  8. Can the BH1745NUC-E2 differentiate between natural and artificial light sources?

    • While the BH1745NUC-E2 cannot directly differentiate between natural and artificial light, it can measure the color and intensity of ambient light from any source.

  9. Does the BH1745NUC-E2 have built-in features for color temperature measurement?

    • Yes, the BH1745NUC-E2 includes features for measuring color temperature, which is useful for applications such as white balance adjustment in imaging systems.

  10. Are there any specific design considerations when using the BH1745NUC-E2 in a technical solution?

    • Designers should consider factors such as optical placement, ambient light filtering, and calibration procedures to ensure accurate and reliable performance from the BH1745NUC-E2.