SKU: SENS-3229
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Lite-On LTR-F216A DFN-6 Ambient Light Sensor

₹63.00 (Inclusive of all taxes)
Out of Stock

The Lite-On LTR-F216A is a DFN-6 packaged ambient light sensor (ALS) designed for automatic display brightness control and power management in portable electronics, IoT devices, and industrial panels. It features a wide detection range, spectral response close to the human eye, and operates from -40°C to +85°C.

Features

  • DFN-6 (2x2mm) ultra-compact surface-mount package for space-constrained designs.
  • Human-eye spectral response with integrated IR filtering for accurate ambient light measurement.
  • Wide operating temperature range from -40°C to +85°C for industrial and outdoor applications.
  • Low power consumption ideal for battery-powered IoT devices and mobile electronics.
  • I2C digital output interface for easy integration with microcontrollers like Arduino, ESP32, and Raspberry Pi.

Out of stock

Description

The LTR-F216A ambient light sensor from Lite-On utilizes a photodiode and integrated signal conditioning IC to provide precise measurement of illuminance. Its spectral sensitivity is optimized to match the photopic response of the human eye, ensuring that automatic brightness adjustments feel natural and effective. An integrated infrared filter minimizes the impact of IR light sources, enhancing accuracy in varied lighting conditions.

Housed in a miniature DFN-6 package, this sensor is engineered for high-volume, automated PCB assembly. It communicates via a standard I2C interface, providing digital lux readings that simplify system design compared to analog sensors. The robust operating temperature range makes it suitable for applications from consumer electronics to demanding industrial control panels.

Key Features

  • Ultra-miniature DFN-6 (2mm x 2mm) package for high-density PCB layouts.
  • Precise photopic response (close to CIE 1931) for human-eye correlated light sensing.
  • On-chip infrared rejection filter for improved accuracy under artificial light.
  • Digital I2C output simplifies wiring and reduces noise susceptibility.
  • Extended operating temperature from -40°C to +85°C ensures reliability.
  • Optimized for low-power operation to extend battery life in portable devices.
  • RoHS compliant construction for global environmental standards.

Applications

  • Automatic display brightness adjustment in smartphones, tablets, and laptops.
  • Backlight dimming control for industrial HMIs and automotive infotainment screens.
  • Energy-saving light management in smart home IoT devices and sensor nodes.
  • Ambient light monitoring for smart lighting systems and daylight harvesting.
  • Integration into portable medical devices for screen readability optimization.

Technical Specifications

Manufacturer Part NumberLTR-F216A
BrandLite-On
Sensor TypeAmbient Light Sensor (ALS)
Package TypeDFN-6 (2mm x 2mm)
Pin Count6
Output InterfaceI2C
Spectral ResponsePhotopic (Human Eye)
IR FilterIntegrated
Operating Temperature-40°C to +85°C
ComplianceRoHS

Frequently Asked Questions

What is the output interface of the LTR-F216A sensor?

The LTR-F216A provides a digital I2C interface. This two-wire communication protocol allows for easy connection to microcontrollers like Arduino, ESP32, or Raspberry Pi, enabling direct digital lux readings without the need for external analog-to-digital conversion.

What is the spectral response of this ambient light sensor?

This sensor is designed with a photopic spectral response, meaning it closely matches the sensitivity of the human eye. It also includes an integrated infrared filter to reject IR light, ensuring accurate measurement of visible ambient light for natural-feeling automatic brightness adjustments.

Can this sensor be used in outdoor or industrial environments?

Yes, the LTR-F216A is rated for an operating temperature range of -40°C to +85°C, making it suitable for harsh environments. Its robust construction and wide temperature tolerance support use in outdoor equipment, industrial control panels, and automotive applications.

How do I solder this DFN-6 packaged sensor?

The DFN-6 package is a surface-mount device (SMD) with a 2x2mm footprint. It requires reflow soldering processes typical for PCB assembly. For prototyping, use a breakout board or a hot air rework station with precise temperature control and appropriate solder paste.

Package Includes

  • 1 x Lite-On LTR-F216A Ambient Light Sensor (DFN-6 package)

Additional Information

Weight 0.01 kg