TSL2772 datasheet(2/58 Pages) OSRAM

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Datasheet, Public

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[v2-00] 2023-Mar-30

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TSL2772

Light-to-Digital Converter with

Proximity Sensing

The TSL2772 device family provides both ambient light sensing

(ALS) and, when coupled with an external IR LED, proximity

detection. The device family is based on the ams OSRAM

patented dual-diode technology that enables accurate ALS

results and approximates human eye response to light intensity

under a variety of lighting conditions.

The TSL2772 ALS includes a reduced-gain mode that extends

the operating range to 60k lux in sunlight. The device package

incorporates a UV-rejection filter that enables accurate ALS. The

TSL2772 proximity detection includes improved

signal-to-noise performance and selectable gain modes. A

proximity offset register allows compensation for optical

system crosstalk between the IR LED and the sensor. To prevent

false proximity data measurement readings, a proximity

saturation indicator bit signals that the internal analog circuitry

has reached saturation.

Ordering Information and Content Guide appear at end of

datasheet.

Key Benefits & Features

The benefits and features of TSL2772, Light-to-Digital

Converter with Proximity Sensing are listed below:

Figure 1:

Added Value Of Using TSL2772

Benefits

Features

• Enables operation in IR light environments

• Patented dual-diode architecture

• Enables operation in 60k lux sunlight and accurate

sensing behind spectrally distorting materials

• 8M:1 dynamic range

• Improves lux accuracy across varying light sources

• UV-Rejection package

• Compensates for internal system offset or IR led

crosstalk

• Proximity offset adjustment

• Prevents false proximity detection in bright light

• Proximity saturation indicator bit

General Description

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