TMD27253 datasheet(2/51 Pages) OSRAM

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Datasheet, Public

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[v2-00] 2023-Feb-22

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TMD2725

ALS, and Small Aperture Proximity

Sensor Module

The device features advanced proximity measurement and

digital ambient light sensing (ALS). The package has been

designed to accommodate a single small aperture approach.

The slim module incorporates an IR LED and factory calibrated

LED driver. The proximity detection feature provides object

detection (e.g. mobile device screen to user’s ear) by

photodiode detection of reflected IR energy (sourced by the

integrated LED). Detect/release events are interrupt driven, and

occur when proximity result crosses upper and/or lower

threshold settings. The proximity engine features offset

adjustment registers to compensate for unwanted IR energy

reflection at the sensor. Proximity results are further improved

by automatic ambient light subtraction. The ALS detection

feature provides photopic light intensity data. The ALS

photodiode has UV and IR blocking filters and a dedicated data

converter producing 16-bit data. This architecture allows

applications to accurately measure ambient light which

enables devices to calculate illuminance to control display

backlight.

Ordering Information and Content Guide appear at end of

datasheet.

Key Benefits & Features

The benefits and features of TMD2725, ALS, and Small Aperture

Proximity Sensor Module are listed below:

Figure 1:

Added Value of Using TMD2725

Benefits

Features

• Small aperture requirements

• 1.055mm emitter to detector distance

• Single device integrated optical solution

• ALS + proximity

• 2mm x 3.65mm x 1mm

• Integrated IR LED

• Power management features

• I²C fast mode interface compatible

• Accurate ambient light sensing

• Photopic Ambient Light Sensor (ALS)

• UV / IR blocking filters

• Programmable gain and integration time

• Reduced power consumption

• 1.8V power supply with 1.8V I²C bus

General Description

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