SHT10 datasheet(1/12 Pages) ETC2

No de pièce	SHT10

Description	Fully calibrated

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Fabricant	ETC2 [List of Unclassifed Manufacturers]

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Version 5 – December 2011

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Datasheet SHT1x (SHT10, SHT11, SHT15)

Humidity and Temperature Sensor IC

Fully calibrated

Digital output

Low power consumption

Excellent long term stability

SMD type package – reflow solderable

Dimensions

Figure 1: Drawing of SHT1x sensor packaging, dimensions in

mm (1mm = 0.039inch). Sensor label gives “11” for SHT11 as

an example. Contacts are assigned as follows: 1:GND, 2:DATA,

3:SCK, 4:VDD.

Sensor Chip

SHT1x V4 – for which this datasheet applies – features a

version 4 Silicon sensor chip. Besides the humidity and

temperature sensors the chip contains an amplifier, A/D

converter, OTP memory and a digital interface. V4 sensors

can be identified by the alpha-numeric traceability code on

the sensor cap – see example “A5Z” code on Figure 1.

Material Contents

While the sensor is made of a CMOS chip the sensor

housing consists of an LCP cap with epoxy glob top on an

FR4 substrate. The device is fully RoHS and WEEE

compliant, thus it is free of Pb, Cd, Hg, Cr(6+), PBB and

PBDE.

Evaluation Kits

For sensor trial measurements, for qualification of the

sensor or even experimental application (data logging) of

the sensor there is an evaluation kit EK-H4 available

including SHT71 (same sensor chip as SHT1x) and 4

sensor channels, hard and software to interface with a

computer. For other evaluation kits please check

www.sensirion.com/humidity.

Product Summary

SHT1x (including SHT10, SHT11 and SHT15) is

Sensirion’s family of surface mountable relative humidity

and temperature sensors. The sensors integrate sensor

elements plus signal processing on a tiny foot print and

provide a fully calibrated digital output. A unique

capacitive sensor element is used for measuring relative

humidity while temperature is measured by a band-gap

sensor. The applied CMOSens® technology guarantees

excellent reliability and long term stability. Both sensors

are seamlessly coupled to a 14bit analog to digital

converter and a serial interface circuit. This results in

superior signal quality, a fast response time and

insensitivity to external disturbances (EMC).

Each SHT1x is individually calibrated in a precision

humidity chamber. The calibration coefficients are

programmed into an OTP memory on the chip. These

coefficients are used to internally calibrate the signals

from the sensors. The 2-wire serial interface and internal

voltage regulation allows for easy and fast system

integration. The tiny size and low power consumption

makes SHT1x the ultimate choice for even the most

demanding applications.

SHT1x is supplied in a surface-mountable LCC (Leadless

Chip Carrier) which is approved for standard reflow

soldering processes. The same sensor is also available

with pins (SHT7x) or on flex print (SHTA1).

A5Z

1

2

NC

3.3 ±0.1

4.93 ±0.05

2.0 ±0.1 1.5 ±0.1

sensor opening

2.5 ±0.1

0.8 ±0.1

3

4

11

1.5 ±0.2

2.6 MAX

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