SI4455 Datasheet, PDF (33/40 Pages) Silicon Laboratories – 20-Pin 3x3 mm QFN package

Si4455
Pin Pin Name
PKG PADDLE_GND
I/O
GND
Description
The exposed metal paddle on the bottom of the package supplies the RF and cir-
cuit ground(s) for the entire chip. It is very important that a good solder connection
is made between this exposed metal paddle and the ground plane of the underly-
ing PCB.
Rev 1.1
33