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AS7421

General Description

Datasheet

• PUBLIC

DS000667

• v1-00 • 2022-Aug-25

│ 4

Benefits

Features

Full calibration support package available for

sensor integration

Calibration library support which includes data

post-processing of spectral raw data

Data output options: raw data, absorbance

spectra, 1st derivative of absorbance spectra, 2nd

derivative of absorbance spectra

1.2

Applications

●

Spectral material identification of goods and fabrics

●

Moisture measurements in industrial or agricultural environments

●

Brix and dry matter measurements of fruits (fruit ripeness)

1.3

Block Diagram

The functional blocks of this device are shown below:

Figure 2 :

Functional Blocks of AS7421

AS7421

VDD

SCL

SDA

INT

GPIO

LED A

64 CH NIR

750-1050nm

sensor

GND

reflective

surface

light in

MCU

PGND

RST

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