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Home » NEWEST Products » New by Manufacturer » OSRAM Opto Semiconductors » Ambient Light & Proximity Sensors - OSRAM
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OSRAM Opto Semiconductors Ambient Light & Proximity Sensors

OSRAM Opto Semiconductors Ambient Light & Proximity Sensors

OSRAM Opto Semiconductors Ambient Light & Proximity Sensors are designed for a wide range of applications and can be used in situations where systems and equipment need to adapt to ambient light conditions or the presence of a user. This series includes both ambient light sensors and combination ambient light and proximity sensors.


OSRAM Opto Semiconductors SFH 3711 Ambient Light Sensor


OSRAM Opto Semiconductors SFH 3711 Ambient Light Sensor is a silicon NPN phototransistor with improved Vλ characteristics in a very small SMT Chipled package. This sensor features a spectral range sensitivity of 470 to 670nm and offers a good match to human eye sensitivity (Vλ). The SFH 3711's sensitivity to IR radiation (λ >750nm) is less than 1%. This sensor is ideal for applications such as ambient light detection, backlight dimming, and control and drive circuits.

Features
  • Spectral range of sensitivity: 470 - 670nm
  • Very small SMT package
  • Good match to human eye sensitivity (Vλ)
  • Sensitivity to IR radiation (λ >750nm) <1%
Applications
  • Ambient light detector
  • Exposure meter for daylight and artificial light
  • Sensor for backlight-dimming
  • For control and drive circuits
Package Dimensions in mm [in]
Package Dimensions

OSRAM Opto Semiconductors SFH 5711 High Accuracy Ambient Light Sensor


OSRAM Opto Semiconductors SFH 5711 is a high accuracy ambient light sensor in an SMT Chipled package with analog output. It offers a perfect match to human eye sensitivity (Vλ) with high accuracy over a wide illumination range. The sensor is an opto hybrid with logarithmic current output and a low temperature coefficient of spectral sensitivity. The SFH 5711 is automotive qualified, and is ideal for such applications as sunlight sensors, head lamp control, display backlighting, and mobile devices.

Features
  • Opto hybrid with logarithmic current output
  • Perfect match to human eye sensitivity (Vλ)
  • Low temperature coefficient of spectral sensitivity
  • High accuracy over wide illumination range
  • Automotive qualified
Applications
  • Automotive applications
  • Sunlight sensor / head lamp control
  • Control of display backlighting
  • Mobile devices

Package Dimensions in mm (in)

Package Dimensions

OSRAM Opto Semiconductors SFH 7770 E6 Ambient Light & Proximity Sensor


OSRAM Opto Semiconductors SFH 7770 E6 is a two-in-one digital solution, featuring both a proximity sensor and ambient light sensor in one package with an I²C bus interface. Compared to its predecessors (SFH 7770 E4 and E5), the SFH 7770 E6 features a more sensitive proximity sensor—up to five times improved sensitivity—and improved ambient light sensor (sensitive down to 0.03lx). The SFH 7770 E6 is a compact device which is designed for simultaneous detection of ambient light and proximity of reflecting objects. Applications are mobile phones, PDAs, notebooks, cameras, and other consumer products.

Features
  • Proximity Sensor (PS)
    • Detection-range up to 100mm (SFH 7770) or 200mm (SFH 7770 E6)
    • Programmable PS integration time (SFH 7770 E6 only)
    • Gesture recognition possible
    • Outputs to drive up to three
      IR emitters
    • Optimized for 850nm emitters
    • Suppression of ambient light
  • Ambient Light Sensor (ALS)
    • 3 - 65000lx (SFH 7770) or
      0.03 - 65000lx (SFH 7770 E6)
    • Programmable ALS integration time (SFH 7770 E6 only)
    • High linearity
    • Spectral sensitivity well matched to the human eye

  • Current consumption: < 5μA
    in STAND-BY mode
  • Small package size: 2.8 x 2.8 x 0.9mm
  • I²C interface
    • 100kHz / 400kHz and
      3.4MHz mode
    • Programmable measurement modes (STAND-BY, TRIGGERED, FREE-RUNNING)

Applications
  • Mobile phones
  • PDAs and notebooks
  • Cameras
  • Consumer products

Application Diagram

Application Diagram

OSRAM Opto Semiconductors SFH 7773 Proximity & Ambient Light Sensor



Additional Resources
Datasheet
Application Note

Applications
  • Mobile phones
  • PDAs and notebooks
  • Cameras
  • Consumer products

OSRAM Opto Semiconductors SFH 7773 Proximity & Ambient Light Sensor is a three-in-one digital solution, combining a digital ambient light sensor and a proximity sensor (emitter + detector) within one package. Additionally the sensor provides an I²C bus interface and an interrupt pin to connect it to a microcontroller. The SFH 7773 consists of an 850nm infrared (IR) LED and an ultra-low power ASIC which performs the signal processing and provides the I²C-bus interface as well as an interrupt alert function. Additionally the ASIC contains the two photodiodes for proximity resp. ambient light sensing.
Learn more

Features
  • Proximity Sensor (PS)
    • Detection range up to 150mm
    • 850nm IR emitter integrated in package
    • Superior ambient light suppression
      (> 50klx)
    • Immunity to crosstalk
    • Fast access to PS signal
  • Ambient Light Sensor (ALS)
    • 0.03lx - 65,000lx
    • High linearity
    • Spectral sensitivity well-matched
      to the human eye
  • I²C-Bus Interface
    • Slave Address 0111 000X
    • 100kHz / 400kHz and
      3.4MHz mode
    • Programmable operation modes (stand-by, triggered, free-running)
  • Low current consumption: 2μA in stand-by mode
  • Configurable interrupt output with programmable threshold levels for PS and ALS
  • Lead (Pb) free product
  • RoHS compliant
Functional Block Diagram
Functional Block Diagram


OSRAM Opto Semiconductors SFH 7779 Ambient Light Sensor


The SFH 7779 combines a digital ambient light sensor and a proximity sensor (emitter + detector) within an ultra-small package. Additionally the sensor provides an I²C-bus interface and an interrupt pin to connect it to an microcontroller. The SFH 7779 consists of an 940 nm infrared (IR) LED and an ultra-low power ASIC which performs the signal processing and provides the I²C-bus interface as well as an interrupt alert function. Additionally the ASIC contains two photodiodes: one for proximity and infra-red ambient light and another for visible ambient light sensing.


Features
  • Proximity sensor (PS)
  • Detection range up to 160mm
  • 940nm IR emitter integrated in package
  • Programmable pulse current up to 200mA
  • No separator needed if placed <0.4mm behind
  • glass window, window thickness<1.0 mm
  • Ambient light sensor (ALS)
  • detection range 0.0022 - 73000 lx;
  • 50Hz/60Hz flicker noise suppression
  • I2C interface (max. 400kHz)
  • PS and ALS Interrupt function
  • Current consumption
  • typ. 0.8µA in Standby mode
  • typ 90µA for ALS operation
  • typ 60µA for PS operation
  • Miniature package 4mm x 2.1mm x 1.35mm

Applications
  • Mobile phones
  • PDAs and notebooks
  • Cameras
  • Consumer products

Application Diagram
Application Diagram

Block Diagram
Block Diagram
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  • OSRAM Opto Semiconductors
  • Sensing
  • Optoelectronics|Optical Detectors and Sensors|Sensors