Datasheet > TMD27253

TMD27253

更新时间： 2022-02-26 11:52:06

品牌	Logo	应用领域
艾迈斯 - AMSCO		/
页数	文件大小	规格书
50页	1327K
描述
The device features advanced proximity measurement

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TMD27253 数据手册

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.

General Description

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

• ALS + proximity

• 2mm x 3.65mm x 1mm

• Integrated IR LED

• Single device integrated optical solution

• Power management features

• I²C fast mode interface compatible

• Photopic Ambient Light Sensor (ALS)

• UV / IR blocking filters

• Programmable gain and integration time

• Accurate ambient light sensing

• Reduced power consumption

• 1.8V power supply with 1.8V I²C bus

ams Datasheet

Page 1

[v1-11] 2016-Sep-20

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