CC2420 Datasheet, PDF (84/92 Pages) List of Unclassifed Manufacturers – 2.4 GHz IEEE 802.15.4 / ZigBee-ready RF Transceiver

40 Recommended layout for package (QLP 48)
CC2420
Note: The figure is an illustration only and not to scale. There are nine 14 mil diameter via
holes distributed symmetrically in the ground pad under the package. See also the CC2420
EM reference design.
40.1 Package thermal properties
Thermal resistance
Air velocity [m/s] 0
Rth,j-a [K/W]
25.6
40.2 Soldering information
Recommended soldering profile is according to IPC/JEDEC J-STD-020C.
SWRS041B
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