SI1145-A10-GMR

Product Overview

Use

It is used for measuring ambient light and UV index levels in various applications.

Characteristics

Ambient light and UV index measurement
Integrated infrared, visible, and UV photodiodes
I2C interface for communication
Low power consumption
Small form factor

Package

The SI1145-A10-GMR comes in a compact package suitable for integration into various electronic devices.

Essence

The essence of the SI1145-A10-GMR lies in its ability to accurately measure ambient light and UV index levels in a wide range of environments.

Packaging/Quantity

The sensor is typically available in reels or trays, with quantities varying based on customer requirements.

Specifications

Operating Voltage: 1.71V to 3.6V
Interface: I2C
Ambient Light Range: 0 lux to 128k lux
UV Index Range: 0 to 11+
Operating Temperature: -40°C to 85°C
Package Type: QFN-10

Detailed Pin Configuration

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | GND | Ground | | 2 | INT | Interrupt output | | 3 | SDA | I2C data | | 4 | SCL | I2C clock | | 5 | VDD | Power supply |

Functional Features

Ambient light and UV index measurement
Integrated IR, visible, and UV photodiodes for accurate sensing
Interrupt output for triggering events based on sensor readings
I2C interface for easy integration with microcontrollers

Advantages

Accurate measurement of ambient light and UV index
Low power consumption
Small form factor for easy integration
Wide operating temperature range

Disadvantages

Limited UV index range compared to some specialized sensors
Requires external calibration for precise measurements in specific applications

Working Principles

The SI1145-A10-GMR utilizes integrated photodiodes to detect ambient light and UV radiation. These photodiodes convert light energy into electrical signals, which are then processed to provide accurate measurements of ambient light and UV index levels.

Detailed Application Field Plans

The SI1145-A10-GMR is suitable for a wide range of applications including: - Wearable devices - Weather stations - UV index monitoring systems - Industrial automation - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SI1145-A10-GMR include: - SI1133-A10-GM1: A similar ambient light and UV index sensor with different specifications - VEML6075: Another UV index sensor with a wider dynamic range

In conclusion, the SI1145-A10-GMR is a versatile ambient light and UV index sensor with a range of functional features and applications. Its compact size and low power consumption make it an ideal choice for various electronic devices requiring accurate light and UV index measurements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SI1145-A10-GMR v technických řešeních

What is the SI1145-A10-GMR sensor used for?
- The SI1145-A10-GMR sensor is used for measuring ultraviolet (UV) index, ambient light, and proximity in various technical solutions.
How does the SI1145-A10-GMR sensor measure UV index?
- The sensor measures UV index by detecting the intensity of UV radiation and converting it into a numerical value representing the level of UV exposure.
Can the SI1145-A10-GMR sensor be used in wearable devices?
- Yes, the sensor is suitable for use in wearable devices to monitor UV exposure and ambient light levels.
What is the proximity sensing range of the SI1145-A10-GMR sensor?
- The sensor has a proximity sensing range of up to several centimeters, making it suitable for applications requiring close-range detection.
Is the SI1145-A10-GMR sensor suitable for outdoor applications?
- Yes, the sensor is designed to withstand outdoor conditions and can accurately measure UV index and ambient light levels outdoors.
How does the SI1145-A10-GMR sensor communicate with microcontrollers or processors?
- The sensor typically communicates using I2C protocol, allowing seamless integration with various microcontrollers and processors.
Can the SI1145-A10-GMR sensor differentiate between different types of UV radiation?
- The sensor can distinguish between UVA and UVB radiation, providing valuable information for sun exposure monitoring and skin protection.
What is the power consumption of the SI1145-A10-GMR sensor?
- The sensor has low power consumption, making it suitable for battery-powered devices and energy-efficient applications.
Does the SI1145-A10-GMR sensor require calibration?
- The sensor comes pre-calibrated, eliminating the need for additional calibration in most applications.
Are there any specific environmental considerations when using the SI1145-A10-GMR sensor?
- It is important to protect the sensor from water and dust ingress, as well as extreme temperature conditions, to ensure accurate and reliable operation.