Product category:
Optoelectronic Sensors, Switches and Receivers
News Release from: First Components | Subject: Capella CM3202
Edited by the Electronicstalk Editorial
Team on 14 May 2007
Ambient light sensor has analogue output
Analogue-output ambient light sensor allows easy integration of power-saving features into display backlights.
New from First Components is an ambient light sensor with analogue output The CM3202 from Capella Microsystems is designed on an analogue CMOS process and consists of a photodiode, an amplifier and a control-logic integrated in one chip
This article was originally published on Electronicstalk on 4 Jan 2007 at 8.00am (UK)
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The spectral sensitivity is similar to that of the human eye, with a dominant wavelength of 550nm.
The range of sensitivity starts as low as 0.625 lux up to a maximum of 3000 lux.
The CM3202 offers excellent temperature compensation, robust refresh rate setting without any external RC lowpass filter.
A software shutdown mode is provided which reduces power consumption to less than 1uA.
The ambient light sensor has a 9bit resolution.
The operating voltage ranges from 2.7 to 6.0V.
The 6-pin OPLGA package measures 2.35 x 1.8 x 1mm.
A 4 x 3mm 10-pin CMP package is available as an alternative.
The photo input can be from top or from bottom of the IC package in either version.
The operating temperature ranges from -40 to +85C, which is excellent for industrial applications.
Capella's ambient light sensors can be used in numerous applications like notebooks, flat-screen TVs, mobile phones, smart phones, personal digital assistants, lighting and automotive designs.
Capella's light and UV-sensors are lead-free and RoHS-compliant.
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