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AS7261N - Spectral Sensor

Tri-Stimulus XYZ + NIR Sensor with Electronic Shutter

Features

  • Tri-stimulus XYZ+NIR realized by silicon interference filters
  • Integrated programmable LED drivers
  • I²C slave digital interface with optional interrupt operation
  • 16-bit ADC with digital access
  • 20-pin LGA package 4.5mm x 4.7mm x 2.5mm, with built-in aperture

Benefits

  • Stable filter conditions over temperature and life time
  • Compact true-color sensing, XYZ coordinates direct from the sensor
  • Direct register read and write with interrupt on sensor ready
  • Signal conditioning on chip
  • Sample illumination without external LED driver

Product parameters

Sensor Type XYZ tri-stimulus/standard observer
Application(s) Color analysis and color calibration
I/O I²C slave digital Interface
Package 20-pin LGA with aperture
Size [mm] 4.5 x 4.7 x 2.5
Supply Voltage [V] 2.7 to 3.6
Temperature Range [°C] -40 to +85

General Description

The AS7261N provides direct XYZ sensor data which conforms to the tri-stimulus standard observer color response of the human eye. A near-IR channel and LED drivers with programmable currents increase application flexibility, including support for electronic shutter applications.The AS7261N integrates Gaussian filters into standard CMOS silicon via nano-optic deposited interference filter technology and is packaged in an LGA package that provides a built in aperture to control the light entering the sensor array.
Control and spectral data access is implemented through an I²C register set.

This product suits for the following applications:

  • Color measurement and absorbance
  • Color matching and identification
  • Precision color tuning/calibration

Tools

Title Category Headline Buy
AS726xDemoKit Application Board Demo Kit for AS726x

Technical Documents

Type Description Language
Application Note AS726xN Design Considerations English
Block Diagram AS7261N Block Diagram English
Datasheet Document version 1-02 English
Quick Start Guide miniLiquid Quick Start Guide for Mechanics, Hardware and Software based on ams Color and Spectral Sensors English

Spectral Video

Spectral ID iSPI Eval Kit

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