ams TMD2712 ALS and Proximity Sensor

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Description

The TMD2712 features proximity detection and digital ambient light sensing (ALS). The extremely tiny 1mm x 2mm module incorporates an IR VCSEL and factory calibrated 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 offset adjustment to compensate for unwanted IR energy reflection at the sensor. Proximity results are further improved by automatic ambient light subtraction. The ALS and IR photodiodes have dedicated data converters producing 16-bit data. This architecture allows applications to accurately measure ambient light which enables devices to calculate illuminance to control display backlight.

Details

Features

  • Tiny 1mm x 2mm x 0.5mm module
  • Integrated factory calibrated 940nm IR VCSEL
  • Crosstalk and ambient light cancellation
  • Wide configuration range
  • 2 channels (photopic ASL + IR)
  • Offset emitter / detector package design

Benefits

  • Optimized for narrow bezel mobile phones
  • Reduced power consumption
  • Enables superior proximity detection
  • Accurate ambient light sensing
  • Industrial design flexibility

Parameters

Function
ambient light sensing
proximity detection
Supply voltage
1.8 V
min.
1.7 V
max.
1.98 V
Interface
input
I²C slave (400kHz)
output
I²C slave (400kHz)
Operating ambient temperature
min.
-30 °C
max.
85 °C
Emitter quantity
1 integrated
Integrated diffuser
No
Package
OLGA
Package dimension
l
2.0 mm
w
1.0 mm
h
0.5 mm
Input/Output Voltage
1.8 V

Ordering codes

Product Type Description Order No. Availability
TMD27123 Tape & Reel (13”) 10000 pcs/reel Q65114A1309
TMD27123M Tape & Reel (7”) 1000 pcs/reel Q65114A1310

Downloads

Datasheets

Datasheet

Application note

Environmental documents

Images