CM3218

  CM3218 is an advanced ambient light sensor with I2C protocol interface and designed by the CMOS 
process. It is easily operated via a simple I2C command. The active interruption feature within the threshold windows setting offers the benefit of eliminating loading of the controller monitor.

  CM3218 incorporates a photodiode, amplifiers and analog circuits into a single chip.  The best 
spectral sensitivity is used to closely capture real human eye responses. CM3218 has excellent 
temperature compensation. Its robust refresh rate setting does not need an external RC low pass 
filter. Software shutdown mode is provided which reduces power consumption to be less than 1μA. 
CM3218's operating voltage ranges from 2.7V to 5V and can detect a wide range of ambient light 
power. The maximum detective light strength is over 140K Lux.

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