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1. Description
The is an integrated low voltage I2C digital light sensor [ALS] and proximity sensor [PS]
with built-in emitter, in a single miniature chipled lead-free surface mount package. This sensor
converts light intensity to a digital output signal capable of direct I2C interface. It provides a linear
response over a wide dynamic range from 0.01 lux to 64k lux and is well suited to applications under
high ambient brightness. With built-in proximity sensor (emitter and detector), offers
the feature to detect object at a user configurable distance.
The sensor supports an interrupt feature that removes the need to poll the sensor for a reading which
improves system efficiency. The sensor also supports several features that help to minimize the
occurrence of false triggering. This CMOS design and factory-set one time trimming capability ensure
minimal sensor-to-sensor variations for ease of manufacturability to the end customers.
2. Features
· I2C interface (Fast Mode @ 400kbit/s)
· Ultra-small ChipLED package
· Built-in temperature compensation circuit
· Low active power consumption with standby mode
· Supply voltage range from 2.4V to 3.6V capable of 1.7V logic voltage
· Operating temperature range from -30°C to +70°C
· RoHS and Halogen free compliant
· Light Sensor
Ø Close to human eye spectral response
Ø Immunity to IR / UV Light Source
Ø Automatically rejects 50 / 60 Hz lightings flicker
Ø 6 dynamic range from 0.01 lux to 64k lux
Ø 16-bit effective resolution
· Proximity Sensor
Ø Built-in LED driver, emitter and detector
Ø Programmable LED drive settings
Ø 11-bit effective resolution
Ø High ambient light suppression
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