SHT40A-AD1B

±3% humidity sensor for automotive applications / I2C interface

Specification

Humidity
Typ. relative humidity accuracy
3
%RH
Operating relative humidity range
0 - 100
%RH
Response time (τ63%)
4
s
Temperature
Typ. temperature accuracy
0.3
°C
Operating temperature range
-40 - 125
°C
Response time (τ63%)
2
s
Generic
Supply voltage
2.3 - 5.5
V
Average supply current
19
uA
Interfaces
I²C
Package size (LxWxH)
1.5 x 1.5 x 0.5
mm³
Packaging size
2500, 10000
pcs (T&R)

Technical downloads

Name
Type
Date
File
Size
SEK-ControlCenter (all devices)
Viewer software
10/2021
Link
-
Datasheet SHT4xA
Datasheet
05/2022
PDF
827.2 KB
Creep mitigation SHT4xX
Application note
05/2022
PDF
277.8 KB
Heater decontamination SHT4xX
Application note
03/2022
PDF
403.1 KB
Transitioning from SHT3x to SHT4x Analog Sensors
Application note
09/2022
PDF
585.7 KB
Transitioning from SHTW2 to SHT4x
Application note
08/2020
PDF
474.3 KB
Embedded drivers humidity
Software
10/2021
Link
-
Conditions of thermal comfort
Application note
02/2010
PDF
63.0 KB
ESD, Latch-up and EMC
Application note
03/2009
PDF
148.9 KB
How to understand specification of relative humidity sensors
Application note
04/2021
PDF
306.8 KB
Humidity at a glance
Application note
06/2021
PDF
178.3 KB
Introduction to humidity
Application note
08/2009
PDF
224.9 KB
Design-in guide SHT/STS
User guide
05/2019
PDF
458.7 KB
Handling instructions SHT
User guide
06/2021
PDF
313.4 KB
REACH and RoHS declaration SHT/STS
Certificate
07/2022
PDF
93.7 KB
Humidity sensors brochure
Flyer
01/2022
PDF
936.7 KB
Indoor air quality brochure
Flyer
10/2021
PDF
7.7 MB

Buy the following product to evaluate this sensor

Sensirion is adding the SHT4xA high-reliability relative humidity and temperature sensor platform for automotive applications to its 4th-generation humidity sensing series. The SHT4xA offers different accuracy gradings and I2C or pulse-width modulation interfaces. The optional wettable flanks enable automated optical inspection of the robust DFN housing. The AEC Q100 qualification demonstrates the SHT4xA’s superior reliability, making it perfectly suitable for automotive applications. In addition, the included power heater enables advanced self-diagnosis capability of the chip over its entire lifetime. Thanks to the comprehensive SHT4xA portfolio, automotive manufacturers can choose the perfect size for their specific use case.

Based on Sensirion’s proven CMOSens ® Technology and longstanding experience in humidity sensing, the SHT4xA ensures the highest precision. It has been specifically designed for automotive applications and fulfills demanding reliability requirements, such as 85°C/85%RH accelerated life tests and AEC Q100 qualification.

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