The BH1751FVI-TR is a Digital Ambient Light Sensor IC for I?C bus interface. This IC is the most suitable to obtain the ambient light data for adjusting LCD and Keypad backlight power of Mobile phone. It is possible to detect wide range at High resolution. ( 1 - 65535 lx ). Light source dependency is little. (ex. Incandescent Lamp. Fluorescent Lamp. Halogen Lamp. White LED. Sun Light ). It is possible to select 2 type of I?C slave-address. It has adjustable measurement result for influence of optical window.

• Spectral responsibility is approximately human eye response
• Illuminance to digital converter
• Wide range and high resolution ( 1 - 65535lx )
• Low current by power down function
• 50Hz/60Hz Light noise reject-function
• 1.8V Logic input interface
• No need any external parts
• Small measurement variation (±20%)
• Built in power on reset circuit

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