HS300x Datasheet

© 2021 Renesas Electronics Corporation

3

April 20, 2021

Figure 6. HS3002 RH Accuracy over Temperature............................................................................................................................................8

Figure 7. HS3003 RH Accuracy Tolerance at 25°C ...........................................................................................................................................8

Figure 8. HS3003 RH Accuracy over Temperature............................................................................................................................................8

Figure 9. HS3004 RH Accuracy Tolerance at 25°C ...........................................................................................................................................9

Figure 10. HS3004 RH Accuracy over Temperature.............................................................................................................................................9

Figure 11. HS3001/HS3002 Temperature Sensor Accuracy Tolerance...............................................................................................................9

Figure 12. HS3003 Temperature Sensor Accuracy Tolerance.............................................................................................................................9

Figure 13. HS3004 Temperature Sensor Accuracy Tolerance.............................................................................................................................9

Figure 14. Timing Diagram .................................................................................................................................................................................10

Figure 15. START and STOP Condition Waveform............................................................................................................................................11

Figure 16. Measurement Request ......................................................................................................................................................................11

Figure 17. Data Fetch.........................................................................................................................................................................................12

Figure 18. Sequence of Commands to Enter Programming Mode.....................................................................................................................13

Figure 19. Sequence of Commands to Change the Relative Humidity Resolution .............................................................................................14

Figure 20. HS300x Application Circuit (Top View)..............................................................................................................................................15

Figure 21. Recommended Soldering Profile.......................................................................................................................................................16

Figure 22. Milled PCB Openings for Thermal Isolation.......................................................................................................................................17

List of Tables

Table 1. Pin Descriptions...................................................................................................................................................................................4

Table 2. Absolute Maximum Ratings.................................................................................................................................................................5

Table 3. Operating Conditions...........................................................................................................................................................................5

Table 4. Humidity Sensor Specification, TA = +25°C, VDD = 2.3V to 5.5V.........................................................................................................6

Table 5. Temperature Sensor Specification, TA = +25°C, VDD = 2.3V to 5.5V ..................................................................................................7

Table 6. I2C Timing Parameters......................................................................................................................................................................10

Table 7. Status Bits .........................................................................................................................................................................................13

Table 8. Non-volatile Memory Registers .........................................................................................................................................................13

Table 99. Register Values for Different Resolution Settings..............................................................................................................................14