Contents
1. Pin Assignments ...........................................................................................................................................................................................4
2. Pin Descriptions ............................................................................................................................................................................................4
3. Absolute Maximum Ratings ..........................................................................................................................................................................5
4. Recommended Operating Conditions ..........................................................................................................................................................5
5. Humidity and Temperature Sensor Performance .........................................................................................................................................6
5.1 Humidity Sensor Specification .............................................................................................................................................................6
5.2 Temperature Sensor Specification ......................................................................................................................................................7
5.3 Humidity Sensor Accuracy Graphs ......................................................................................................................................................8
5.4 Temperature Sensor Accuracy Graphs ...............................................................................................................................................9
6. Sensor Interface .........................................................................................................................................................................................10
6.1 I2C Features and Timing ...................................................................................................................................................................10
6.2 Sensor Slave Address .......................................................................................................................................................................10
6.3 I2C Communication ...........................................................................................................................................................................11
6.4 Measurement Mode ...........................................................................................................................................................................11
6.5 Measurement Requests (MR) ...........................................................................................................................................................11
6.6 Data Fetch (DF) .................................................................................................................................................................................12
6.7 Status Bits .........................................................................................................................................................................................12
7. Calculating Humidity and Temperature Output ...........................................................................................................................................13
8. Application Circuit .......................................................................................................................................................................................13
9. Package Drawings and Land Pattern .........................................................................................................................................................14
10. Soldering Information .................................................................................................................................................................................14
11. Storage and Handling .................................................................................................................................................................................15
12. Quality and Reliability .................................................................................................................................................................................15
13. Ordering Information ...................................................................................................................................................................................15
14. Revision History ..........................................................................................................................................................................................16
List of Figures
Figure 1. Pin Assignments for 3mm 2.41mm 6-LGA Package (Top View) .....................................................................................................4
Figure 2. HS3001 RH Accuracy Tolerance at 25°C ...........................................................................................................................................8
Figure 3. HS3001 RH Accuracy over Temperature ............................................................................................................................................8
Figure 4. HS3002 RH Accuracy Tolerance at 25°C ...........................................................................................................................................8
Figure 5. HS3002 RH Accuracy over Temperature ............................................................................................................................................8
Figure 6. HS3003 RH Accuracy Tolerance at 25°C ...........................................................................................................................................8
Figure 7. HS3003 RH Accuracy over Temperature ............................................................................................................................................8
Figure 8. HS3004 RH Accuracy Tolerance at 25°C ...........................................................................................................................................9
Figure 9. HS3004 RH Accuracy over Temperature ............................................................................................................................................9
Figure 10. HS3001/HS3002 Temperature Sensor Accuracy Tolerance ...............................................................................................................9