ZMOD4450 Datasheet

© 2021 Renesas Electronics Corporation

2

June 30, 2021

Contents

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

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

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

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

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

4. Electrical Characteristics ..............................................................................................................................................................................6

5. Block Diagram ..............................................................................................................................................................................................7

6. Sensor Module Characteristics.....................................................................................................................................................................8

6.1 Gas Sensor Module.............................................................................................................................................................................8

7. Gas Sensor Module Characteristics.............................................................................................................................................................9

7.1 Characteristics for Typical Gas Stimulation.........................................................................................................................................9

7.2 Environmental Temperature and Humidity........................................................................................................................................10

7.3 Accuracy and Conditioning................................................................................................................................................................10

7.4 Sensor Module Algorithm and Firmware ...........................................................................................................................................11

8. Assembly Restrictions, Operation, Integration Notes, and Storage............................................................................................................11

9. Test and Calibration ...................................................................................................................................................................................12

10. I2C Interface and Data Transmission Protocol...........................................................................................................................................13

11. Glossary .....................................................................................................................................................................................................15

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

13. Marking Diagram ........................................................................................................................................................................................16

14. Ordering Information...................................................................................................................................................................................16

15. Revision History..........................................................................................................................................................................................17

List of Figures

Figure 1. Pin Assignments for 12-LGA Module – Top View................................................................................................................................4

Figure 2. Gas Response to Typical Gases and Levels of Expected Refrigeration Gases..................................................................................9

Figure 3. Humidity Influence at 4°C for Ethylene Stimulation...........................................................................................................................10

Figure 4. Typical Solder Profile.........................................................................................................................................................................12

Figure 5. I2C Data Transmission Protocol........................................................................................................................................................13

Figure 6. Bus Timing.........................................................................................................................................................................................14