ZMOD4450 Datasheet

© 2021 Renesas Electronics Corporation

12

June 30, 2021

Figure 4. Typical Solder Profile

9. Test and Calibration

As a unique feature, all sampled gas sensor modules are fully tested by Renesas during the final test. The final test parameters in Table 8 are

applied for each ZMOD4450. All sensor modules are pre-stabilized in the final test although the user may see a small change in the module’s

raw signal during an initial warm-up phase during the first operation. The gas sensor module qualification is based on JEDEC (JESD47) and its

subsequent standard (JESD22, JESD78, etc.); it has been tested for a lifetime of 10 years. Renesas has proven a MOx lifetime of over 15 years

in actual continuous operation in conditions without exposure to stressful environments.

Table 8.

Final Test Parameters

Test

Test Object

Parameters

Test Results Saved in NVM?

Electrical

ASIC

Voltages, current consumption, frequencies, scan pattern

No

Electrical

Module

Calibration conditions, tracking ID, resistances

Yes

Gas

Module

Sensitivity parameters (slope and intercept) at stimulation with different gas

concentrations

Yes

Gas

Module

Pre-stabilization

No