Datasheet
Electrical characteristics STM32L073xx
102/137 DocID027096 Rev 2
General PCB design guidelines
Power supply decoupling should be performed as shown in Figure 30 or Figure 31,
depending on whether V
REF+
is connected to V
DDA
or not. The 10 nF capacitors should be
ceramic (good quality). They should be placed as close as possible to the chip.
Figure 30. Power supply and reference decoupling (V
REF+
not connected to V
DDA
)
Figure 31. Power supply and reference decoupling (V
REF+
connected to V
DDA
)
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