MLX90809

Relative Pressure Sensor

Rev 002

Page 8 of 11

Data Sheet

390109080901

Oct/14

9 Application Information

The MLX90809 only needs 2 capacitors in the application, a 47nF decoupling capacitor on the supply line

and a 47nF load on the analog output pin. When the SENT output is used a 2.2nF capacitor is

recommended.

Vdd

Gnd

AnaOut

MLX90809 in analog mode

47nF

47nF

Figure 4: MLX90809 application schematic in analog mode

When using the analog output, Melexis recommends shorting one of the SENT output pins and the test pin to

GND.

Vdd

Gnd

SENTOut

MLX90809 in SENT mode

47nF

2.2nF

Figure 5: MLX90809 application schematic in SENT mode

When using the SENT output Melexis recommends shorting one of the analog output pins and the test pin to

GND.

Read the application note

“System Integration Guidelines” for manufacturing handling as well as sealing

recommendations.