Product category: Light Emitting Diodes (LEDs)
News Release from: Avago Technologies | Subject: APDS-9002
Edited by the Electronicstalk Editorial Team on 01 June 2005
Ambient light photosensor shrinks to fit
ChipLED
Agilent Technologies has released a new version of its analogue-output ambient light photosensor for mobile, consumer, commercial and industrial products.
Agilent Technologies has released a new version of its analogue-output ambient light photosensor for mobile, consumer, commercial and industrial products The Agilent APDS-9002 sensor is supplied in the miniature ChipLED lead-free surface-mount package, which features one of the smallest dimensions in the industry at 2.00 x 1.25 x 0.80mm
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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Agilent's ambient light photosensors are an ideal power-savings solution for PDAs, notebook PCs, portable DVD players, MP3 players, camcorders and digital cameras, as well as mobile phones.
They may also be used for turning on/off indoor and outdoor lighting, street lighting and electronic signs and signals.
Compared with Agilent's previously introduced HSDL-9001 light sensor, the APDS-9002 offers improved performance, including guaranteed operation over the extended 2.4 to 5.5V supply voltage range, and the wider -40 to +85C temperature range.
Agilent's innovative ambient light photo sensors emulate the human eye in detecting the amount of ambient light, then signalling the mobile phone to turn on its display's backlight and keypad light if necessary.
The new sensor detects the ambient light level and provides a highly linear proportional output that is used to adjust the backlighting of a display screen or keypad.
If there is sufficient ambient light, designer-provided logic can turn off the backlighting to reduce battery recharges or replacements.
Agilent's ambient light sensors outperform silicon photodiode light-detection solutions because their spectral response peaks at the same wavelength as the human eye.
The sensors perform equally well with light sources ranging from natural sunlight to fluorescent, conventional incandescent, and halogen lamps.
They also offer significantly faster response to changes in illumination than phototransistors.
The ChipLED package, developed for surface-mount LEDs, combines low cost, proven reliability and optimisation for automated manufacturing processes with an extremely small, industry-standard footprint. Request a free brochure from Avago Technologies ...
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