SHTW2

Not recommended for new designs

±3% Digital humidity and temperature sensor in WCSP

Specification

Humidity
Typ. relative humidity accuracy
3
%RH
Operating relative humidity range
0 - 100
%RH
Response time (τ63%)
8
s
Calibration certificate
Factory calibration
Temperature
Typ. temperature accuracy
0.3
°C
Operating temperature range
-40 - 125
°C
Response time (τ63%)
5
s
Generic
Supply voltage
1.62 - 1.98
V
Average supply current
4.8
μA
Max. supply current
465
μA
Interfaces
I²C
Package size (LxWxH)
1.3 x 0.7 x 0.5
mm³
Packaging size
500(Sampling), 1000, 10000
pcs (T&R)

Technical downloads

Name
Type
Date
File
Size
Datasheet SHTW2 (end of life)
Datasheet
07/2017
PDF
649.0 KB
Low power mode SHTC1, SHTW2
Application note
05/2016
PDF
99.0 KB
Optimization of sensor output repeatability
Application note
05/2016
PDF
103.1 KB
Transitioning from SHTW2 to SHT4x
Application note
08/2020
PDF
474.3 KB
Calibration certification SHT
Certificate
08/2021
PDF
110.4 KB
Product flyer SHTW2 (end of life)
Flyer
06/2017
PDF
941.4 KB
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
07/2021
PDF
93.6 KB
Humidity sensors brochure
Flyer
01/2022
PDF
936.7 KB
Indoor air quality brochure
Flyer
10/2021
PDF
7.7 MB

The SHTW2 is Sensirion's 2ⁿᵈ generation WLCSP (wafer-level chip-scale package) humidity sensor, offering a complete digital humidity and temperature sensor system in a package so tiny that it fits into virtually any application. The SHTW2 comes in a flip chip package, which is an established technology and represents one of the simplest and smallest possible ways of packaging for a semiconductor chip. With a footprint of 1.3 x 0.7 x 0.5 mm³ the SHTW2 is only one-seventh of the size of a comparable DFN humidity sensor, which opens up a new category of ultra-small humidity sensors and enables countless new opportunities for the Internet of Things, wearable and mobile markets.

The SHTW2 is based on Sensirion’s CMOSens® Technology, which offers a complete sensor system on a single chip, consisting of a capacitive humidity sensor, a band-gap temperature sensor, analog and digital signal processing, A/D converter, calibration data memory, and a digital communication interface supporting I²C fast mode.

The humidity sensor covers a humidity measurement range of 0 to 100 %RH and a temperature measurement range of –30°C to 100°C with a typical accuracy of ±3 % RH and ±0.3 °C. The operating voltage of 1.8 V and the low power consumption make the SHTW2 humidity sensor suitable for wearable applications running on the tightest power budgets. With the industry-proven quality and reliability of Sensirion’s humidity and temperature sensors and constant accuracy over a large measurement range, the SHTW2 humidity sensor offers an unprecedented price-performance ratio. Tape and reel packaging together with its suitability for standard SMD assembly processes make the SHTW2 predestined for high-volume applications.

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