CC2590 Datasheet, PDF (4/18 Pages) Texas Instruments – 2.4-GHz RF Front End, 14-dBm output power

CC2590
SWRS080 – SEPTEMBER 2008 ........................................................................................................................................................................................ www.ti.com
DEVICE INFORMATION
The CC2590 pinout and description are shown in Figure 1 and Table 1, respectively.
PIN AND I/O CONFIGURATION
(TOP VIEW)
NC
RF_N
RXTX
RF_P
16 15 14 13
1
12
2
11
QFN-16 4x4mm
3
10
4
9
5 6 78
GND
ANT
AVDD_PA2
GND
Figure 1.
NOTE:
The exposed die attach pad must be connected to a solid ground plane as this is the
primary ground connection for the chip. Inductance in vias to the pad should be
minimized. It is highly recommended to follow the reference layout. Changes will alter
the performance. Also see the PCB landpattern information in this data sheet.
For best performance, minimize the length of the ground vias, by using a 4-layer PCB
with ground plane as layer 2 when CC2590 is mounted onto layer 1.
4
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