Tsl2561 Light Sensor

The TSL2561 is a sophisticated light sensor designed to provide precise measurements of ambient light levels. Unlike traditional sensors that measure only the visible light spectrum, the TSL2561 can accurately measure both infrared and visible light, making it ideal for applications that require high accuracy in a wide range of lighting conditions. Its digital output, through I²C or SMBus interfaces, ensures easy integration with microcontrollers and other digital devices.

Key Features:

• Dual Diode: Measures both infrared and visible light
• Wide Dynamic Range: 0.1 to 40,000+ Lux
• High Sensitivity: Detects light in a variety of environments
• Digital Interface: I²C and SMBus compatible
• Adjustable Gain: Low, medium, and high gain modes
• Integration Time: Programmable integration time for precise measurements
• Low Power Consumption: Suitable for battery-powered applications
• Built-in ADC: Converts light measurements to digital output

Technical Specifications:

• Dimensions: 3.94 mm x 2.79 mm x 1.15 mm
• Weight: Approximately 0.15 g
• Communication: I²C (Address: 0x39) or SMBus
• Operating Voltage: 2.7V to 3.6V
• Power Consumption:
  • Active Mode: 0.6 mA (typical)
  • Power Down Mode: 0.4 µA (typical)
• Lux Range: 0.1 to 40,000+ Lux
• Output Data: 16-bit digital value
• Connector: Standard I²C interface pins (SCL, SDA, GND, VCC)

Applications:

• Ambient Light Sensing: For adjusting display brightness on phones, tablets, and TVs.
• Lighting Control Systems: Automatic adjustment of lighting based on ambient light levels.
• Photography: Ensures accurate exposure by measuring light levels.
• Energy Saving Systems: Adjusts lighting in buildings to save energy.
• Weather Stations: Measures light intensity for environmental monitoring.

Datasheet:
For detailed technical information, refer to the TSL2561 Light Sensor Datasheet.