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VM6101 Datasheet(PDF) 1 Page - STMicroelectronics |
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VM6101 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 17 page  May 2007 Rev 3 1/17 17 VM6101 I²C color light sensor Features ■ 4-channel Y+RGB photosensor, with integrated infrared filter ■ Wide dynamic range light to frequency converters ■ 2-wire serial interface, I²C and SMBus compatible ■ PWM output for direct LCD backlight control ■ Comparator logic with two programmable thresholds and hysteresis function ■ Power down input ■ 3.0 V to 3.6 V supply range ■ Built-in clock generator, precision voltage and current references ■ Low profile Pb-free package (RoHS compliant) Applications ■ General purpose color measurement ■ Automatic backlighting control ■ Panel lighting ■ White goods Pinout Description The VM6101 is a high dynamic range 4-channel CMOS photosensor suitable for ambient light sensing as well as color light sensing. Light intensity is converted linearly to a variable frequency signal. The signal period is readable through the two-wire serial interface. A direct PWM output is provided for power saving LCD backlighting applications, where backlighting intensity adapts to the ambient light level. Alternatively, this output can be used as an ambient light level detector output, with two user programmable thresholds. A power down input puts the VM6101 in ultra low power mode. The VM6101 is housed in an compact 8-lead surface mount clear plastic package, compliant to RoHS directive. VM6101V008 TEST AMUX PD VDD SDA SCL INT 18 2 3 4 5 6 7 GND 8-lead MLPD Optical center location: (+70, +35) µm relative to package center. R B Y G x y Sensitive area: 220 x 240 µm Top view www.st.com |
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