HS310x Datasheet

X0116303

Rev.1.1

Apr 14, 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