LX1977 Datasheet (Microsemi Corporation) - SMBus Ambient Light Sensor

LX1977, SMBus Ambient Light Sensor

The LX1977 is a CMOS based Ambient Light Sensor (ALS) with an I2C compatible SMBus interface.

This device is ideal for controlling display back lighting systems of low cost consumer products such as TV, portable computers, handheld devices, or medical devices.

The LX1977 is optimized for a linear,

LX1977 Features

* adjustable input range and gain. The LX1977 has a spectral response that emulates the human eye. Specially designed circuitry produces peak spectral response at 555 nm, with IR response less than 10% above 810 nm. Input dynamic range of this device is adjustable via SMBus command. It can be set to e