Industry's Lowest-Power Ambient Light Sensor with ADC

Part Number	Status	Replacement	Explanation
MAX9635	This product is Not Recommended for New Designs. Some versions may be No Longer Available or being discontinued and subject to Last Time Buy, after which new orders can not be placed. See Ordering Information for details.	MAX44009	MAX44009 is recommended for new designs.

The MAX9635 ambient light sensor features an I²C digital output that is ideal for a number of portable applications such as smartphones, notebooks, and industrial sensors. At less than 1µA operating current, it is the lowest power ambient light sensor in the industry and features an ultra-wide 22-bit dynamic range from 0.045 lux to 188,000 lux.

Low-light operation allows easy operation in dark glass applications.

The on-chip photodiode's spectral response is optimized to mimic the human eye's perception of ambient light and incorporates IR and UV blocking capability. The adaptive gain block automatically selects the correct lux range to optimize the counts/lux.

The IC is designed to operate from supply voltage range of 1.7V to 3.6V and consumes only 0.65µA in full operation. It is available in a small, 2mm x 2mm x 0.6mm OTDFN package.

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