SCD40-D-R1 datasheet(1/22 Pages) SENSIRION

部件名	SCD40-D-R1

功能描述	Breaking the size barrier in CO2 sensing

PDF	22 Pages

Scroll/Zoom	100%

制造商	SENSIRION [Sensirion AG Switzerland]

网页	https://www.sensirion.com/

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1 / 22 page

www.sensirion.com

Version 1.1 – April 2021

1/22

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High accuracy: ±(40 ppm + 5 %)

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Digital I2C interface

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Integrated temperature and humidity sensor

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Low power operation down to < 0.4 mA avg.

@ 5 V, 1 meas. / 5 minutes

SCD4x

Breaking the size barrier in CO2 sensing

Products

Details

SCD40-D-R2 Base accuracy, specified range

400 – 2’000 ppm

SCD41-D-R2 High accuracy, specified range

400 – 5’000 ppm, single shot

mode supported

Full product list on page 21

Functional Block Diagram

Device Overview

Product Summary

The SCD4x is Sensirion’s next generation miniature CO2

sensor. This sensor builds on the photoacoustic sensing

principle and Sensirion’s patented PAsens® and

CMOSens® technology to offer high accuracy at an

unmatched price and smallest form factor. SMD assembly

allows cost- and space-effective integration of the sensor

combined with maximal freedom of design. On-chip signal

compensation is realized with the build-in SHT4x humidity

and temperature sensor.

CO2 is a key indicator for indoor air quality as high levels

compromise humans’ cognitive low power

and well-being. The SCD4x enables smart ventilation

systems to regulate ventilation in the most energy-efficient

and human-friendly way. Moreover, indoor air quality

monitors and other connected devices based on the

SCD4x can help maintaining low CO2 concentration for a

healthy, productive environment.

Features

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Photoacoustic sensor technology PASens®

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Smallest form factor: 10.1 x 10.1 x 6.5 mm3

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Reflow solderable for cost effective assembly

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Large output range: 0 ppm – 40’000 ppm

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Large supply voltage range: 2.4 – 5.5 V

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