ELM2712B - proximity detection and digital ambient light sensing

Datasheet Summary

Description

The ELM2712

Features

proximity detection and digital ambient light sensing (ALS). The extremely tiny 2mm x 1mm module incorporates an IR VCSEL and on chip VCSEL 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 VCSEL). Detect/release events are interrupt driven, and occur when proximity result crosses upper and/or lower threshold settings. The proximity engine features a wide range off.

ESMT

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Datasheet Details

Part number	ELM2712B
Manufacturer	ESMT
File Size	1.94 MB
Description	proximity detection and digital ambient light sensing
Datasheet	ELM2712B Datasheet
Additional preview pages of the ELM2712B datasheet.

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Full PDF Text Transcription

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ESMT ELM2712B Overview Feature  Tiny 2mm x 1mm x 0.5mm module  Integrated 940nm IR VCSEL  Crosstalk and ambient light cancellation  Wide configuration range  2 channels (photopic ASL + IR)  Offset emitter / detector package design Application  Mobile phone display management  Mobile phone and wearable user proximity detection  Wearable ambient light measurement Description The ELM2712 features proximity detection and digital ambient light sensing (ALS). The extremely tiny 2mm x 1mm module incorporates an IR VCSEL and on chip VCSEL 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 VCSEL).

Published: Aug 18, 2025 |