MLX90809 Datasheet, PDF (8/11 Pages) Melexis Microelectronic Systems – Relative Pressure Sensor

MLX90809
Relative Pressure Sensor
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.
MLX90809 in analog mode
Vdd
47nF
47nF
Gnd
AnaOut
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.
MLX90809 in SENT mode
2.2nF
SENTOut
Vdd
47nF
Gnd
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.
Rev 002
390109080901
Page 8 of 11
Data Sheet
Oct/14