ADPD2140

Infrared Light Angle Sensor

Data Sheet
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Overview

Features and Benefits

  • 2-axis light angle measurement
  • Linear response to the angle of incident light
  • Integrated visible light blocking optical filter
  • No optics required and no need for precise alignment
  • Low junction capacitance: 12.7 pF per channel at VR = 0.2 V
  • Low reverse dark current: 1.74 pA at VR = 0.2 V (all four channels connected in parallel)
  • 8-lead, 2 mm × 3 mm, 0.65 mm height, LFCSP

Product Details

The ADPD2140 is an optical sensor that measures the angle of incident infrared light. Light angles calculated from the ADPD2140 response are linear to ±5° within an angular field of view of ±35°.

The ADPD2140 has a radiant sensitive area of 0.31 mm2 . The low junction capacitance and low dark current of the ADPD2140 allows optimal integration with the ADPD1080 photometric front end. The ADPD2140 can be used with a synchronous infrared light source such as a light emitting diode (LED) to detect user hand movements for gesture recognition. The ADPD2140 requires four photodiode channels. Therefore, use the ADPD1080BCPZ with the ADPD2140.

Packaged in a small, clear mold, 2 mm × 3 mm, 8-lead LFCSP, the ADPD2140 is specified over the −40°C to +85°C operating temperature range. 

APPLICATIONS

  • Gesture for user interface control in portable devices
  • Object location tracking
  • Industrial/automation monitoring
  • Angle sensing
  • Proximity sensing
  • Object distance measurement (triangulation)

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This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.