ZMOD4450 Datasheet

© 2019 Integrated Device Technology, Inc.

2

October 30, 2019

Contents

1.

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

2.

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

3.

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

4.

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

5.

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

6.

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

7.

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

7.1 Gas Sensor Module.............................................................................................................................................................................8

8.

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

8.1 Characteristics for Typical Gas Stimulation.........................................................................................................................................9

8.2 Environmental Temperature and Humidity ........................................................................................................................................10

8.3 Accuracy and Conditioning................................................................................................................................................................10

9.

Package Outline Drawings .........................................................................................................................................................................11

10. Assembly Restrictions, Operation, and Integration Notes ..........................................................................................................................11

11. Test and Calibration ...................................................................................................................................................................................12

12. I2C Interface and Data Transmission Protocol...........................................................................................................................................12

13. Glossary .....................................................................................................................................................................................................14

14. Ordering Information...................................................................................................................................................................................15

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

List of Figures

Figure 1. ZMOD4450 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.........................................................................................................................................................................11

Figure 5. I2C Data Transmission Protocol........................................................................................................................................................12

Figure 6. Bus Timing.........................................................................................................................................................................................13