HS310x Datasheet

R36DS0011EU0120

Rev.1.2

Aug 10, 2021

Page 2

Contents

1.

Pin Information .............................................................................................................................................4

1.1

Pin Assignments ...................................................................................................................................4

1.2

Pin Descriptions....................................................................................................................................4

2.

Specifications ...............................................................................................................................................5

2.1

Absolute Maximum Ratings ..................................................................................................................5

2.2

Recommended Operating Conditions...................................................................................................5

3.

Humidity and Temperature Sensor Performance ......................................................................................6

3.1

Humidity Sensor Specifications ............................................................................................................6

3.2

Temperature Sensor Specifications......................................................................................................7

3.3

Sleep Current .......................................................................................................................................7

3.4

Humidity Sensor Accuracy Graphs.......................................................................................................8

3.5

Temperature Sensor Accuracy Graphs ................................................................................................9

4.

Sensor Interface .........................................................................................................................................10

4.1

I2C Features and Timing.....................................................................................................................10

4.2

Sensor Slave Address ........................................................................................................................10

4.3

I2C Communication.............................................................................................................................11

4.4

Measurement Mode............................................................................................................................11

4.5

Measurement Requests (MR).............................................................................................................11

4.6

Data Fetch (DF)..................................................................................................................................12

4.7

Status Bits ..........................................................................................................................................13

4.8

Accessing the Non-volatile Memory ...................................................................................................13

4.9

Setting the Measurement Resolution..................................................................................................14

4.10 Reading the HS310x ID Number ........................................................................................................15

5.

Calculating Humidity and Temperature Output .......................................................................................15

6.

Application Circuit......................................................................................................................................15

7.

Package Outline Drawings.........................................................................................................................16

8.

Soldering Information ................................................................................................................................16

9.

PCB Layout Guide ......................................................................................................................................17

10. Storage and Handling.................................................................................................................................17

11. Quality and Reliability ................................................................................................................................17

12. Ordering Information..................................................................................................................................18

13. Revision History .........................................................................................................................................18