ax5031 AXSEM, ax5031 Datasheet - Page 30

• Manufacturer Part Number: ax5031
• Description: Datasheet Ax5031
• Manufacturer: AXSEM

30
VREG
Application Information
7.
7.1.
It is mandatory to add 1 µF (low ESR) between VREG and GND.
Decoupling capacitors are not all drawn. It is recommended to add 100 nF decoupling
capacitor for every VDD and VDD_IO pin. In order to reduce noise on the antenna inputs it is
recommended to add 27 pF on the VDD pins close to the antenna interface.
Version 1.3
GND
Application Information
Typical Application Diagram
ANTENNA
Figure 6 Typical application diagram
VDD
ANTP
ANTN
VDD
AX5031
1µF
VDD_IO
MOSI
IRQ
Datasheet AX5031