AS7341L - 10-Channel Spectral Analytic Sensor

10-channel spectrometer for spectral identification and analytic applications

Features

  • 8 optical channels distributed over the visible range
  • 2 extra channels: Clear and NIR channel
  • 6 parallel ADCs for signal processing
  • Ultra-low-profile package 3.1mm x 2mm x 1mm

Benefits

  • Spectral information enables highly accurate spectral identification for reflection or fluorescence measurements
  • The multi-wavelength approach enables a cost-effective multi-analyte detection
  • Detection of smallest spectral changes of analytes at lateral flow test readers for clinical, home and veterinary testing
  • Optimized channel count and signal processing for fast measurements
  • Mobile device compatible package

Product parameters

Applications Lateral Flow Testing, Point of Care Diagnostics, Analytics
I/O I2C
Package OLGA-8
Size [mm] 3.1 x 2 x 1
Supply Voltage [V] 1.8
Temperature Range [°C] -30 to 70

General Description

AS7341L is a 10-channel spectrometer for spectral identification and analytic applications used in mobile devices. The spectral response is defined in the wavelengths from approximately 350nm to 1000nm. 6 channels can be processed in parallel by independent ADCs while the other channels are accessible via a multiplexer. 8 optical channels cover the visible spectrum, one channel can be used to measure near infra-red light and one channel is a photo diode without filter (“clear”). The NIR channel in combination with the other VIS channels may provide information about special characteristics of analytes (e.g. Lateral Flow Tests).
The device can also be synchronized to external signals via pin GPIO.

AS7341L integrates filters into standard CMOS silicon via Nano-optic deposited interference filtertechnology and its package provides a built in aperture to control the light entering the sensor array.
Control and Spectral data access is implemented through a serial I²C interface. The device is available in an ultra-low profile package with dimensions of 3.1mm x 2mm x 1mm.

This product suits for the following applications:

  • Lateral Flow Test Readers
  • Point-of-Care Diagnostics

Technical Documents

Type Description Language
Datasheet AS7341L datasheet English
Application Note This application note describes the functionality of the device firmware and the Bluetooth LE services and characteristics it uses. English

Other Information

Type Description Language
Block Diagram AS7341L Block Diagram English
Factsheet Optical Readout for Lateral Flow Tests (2020-04) English

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point of care diagnostics