LTR-507ALS-01

Product Overview

The LTR-507ALS-01 is a light-to-digital sensor that belongs to the category of ambient light sensors. It is commonly used in electronic devices to measure the ambient light intensity and adjust the display brightness accordingly. The sensor is known for its high sensitivity, low power consumption, and compact package. It is typically available in surface-mount packages and is often sold in reels or trays containing a specific quantity per package.

Specifications

• Operating Voltage: 1.6V to 3.6V
• Output Type: I2C digital output
• Measurement Range: 0.01 lux to 64,000 lux
• Package Type: Surface-mount
• Dimensions: 2mm x 2mm x 0.7mm

Detailed Pin Configuration

The LTR-507ALS-01 features a standard pin configuration with pins designated for power supply, ground, and I2C communication.

Pin 1: VDD (Power Supply)
Pin 2: SDA (I2C Data)
Pin 3: SCL (I2C Clock)
Pin 4: ADDR (I2C Address Select)
Pin 5: INT (Interrupt)
Pin 6: GND (Ground)

Functional Features

• High Sensitivity: The sensor can detect subtle changes in ambient light, making it suitable for various lighting conditions.
• Low Power Consumption: It operates efficiently, consuming minimal power, which is beneficial for battery-powered devices.
• I2C Interface: The digital output via I2C simplifies integration with microcontrollers and other digital systems.

Advantages and Disadvantages

Advantages

• Accurate Light Sensing: Provides precise measurements across a wide range of light intensities.
• Compact Size: Its small form factor allows for seamless integration into compact electronic designs.
• Low Power Consumption: Ideal for energy-efficient applications.

Disadvantages

• Limited Operating Voltage Range: May not be compatible with certain voltage requirements.
• Susceptibility to Ambient Interference: External light sources may impact the accuracy of readings in some scenarios.

Working Principles

The LTR-507ALS-01 operates based on the principle of converting incident light into a digital signal. It utilizes a photodiode array to capture light and an integrated analog-to-digital converter to produce a corresponding digital output. This output is then communicated via the I2C interface to the host system for further processing.

Detailed Application Field Plans

The LTR-507ALS-01 finds extensive application in various consumer electronics, including smartphones, tablets, laptops, and digital cameras. Additionally, it is utilized in automotive interior lighting systems, industrial control panels, and IoT devices where automatic adjustment of display brightness based on ambient light conditions is essential.

Detailed and Complete Alternative Models

• LTR-301ALS-01: Offers similar functionality with a different package and pin configuration.
• LTR-559ALS-01: Provides extended measurement range and additional features for advanced light sensing applications.

In conclusion, the LTR-507ALS-01 serves as a reliable solution for accurate ambient light sensing in a wide range of electronic devices, offering high sensitivity and low power consumption. Its compact size and digital output make it a preferred choice for modern designs requiring efficient light management.

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