CC2400_08 Datasheet, PDF (19/84 Pages) Texas Instruments – 2.4 GHz Low-Power RF Transceiver

CC2400
AVDD=1.8V AVDD=1.8V
R451
AVDD=1.8V
C431
XTAL
C421
Folded
dipole
antenna
1
VCO_GUARD
2
AVDD_VCO
3
AVDD_PRE
4
AVDD_RF1
5
GND
6 _{RF_P}
L61
L71
7
TXRX_SWITCH
8 _{RF_N}
9
GND
10 _{AVDD_SW}
11
NC
12 _NC
CC2400
NC ³⁶
GIO6 ³⁵
34
SO
SI ³³
SCLK ³²
CSn ³¹
30
DCLK/FIFO
29
DIO/PKT
TX ²⁸
RX ²⁷
DVDD1.8 ²⁶
25
DVDD3.3
SPI-bus
Optional
digital
interface
DVDD=1.8V
DVDD Digital I/O
=1.8 / 3.3V
AVDD=1.8V
DVDD=1.8V
Figure 4 Typical application circuit with differential antenna (folded dipole)
Item
Single ended output, discrete
balun
C62
C61
C81
C71
C421
C431
L61
L62
L71
L81
R451
XTAL
5.6 pF, +/- 0.25pF, NP0, 0402
0.5 pF, +/- 0.25pF, NP0, 0402
0.5 pF, +/- 0.25pF, NP0, 0402
100 nF, 10%, X5R, 0402
18 pF, 5%, NP0, 0402
18 pF, 5%, NP0, 0402
7.5 nH, 5%, Monolithic/multilayer, 0402
5.6 nH, 5%, Monolithic/multilayer, 0402
27 nH, 5%, Monolithic/multilayer, 0402
7.5 nH, 5%, Monolithic/multilayer, 0402
43 kΩ, 1%, 0402
16 MHz crystal, 16 pF load (C_L)
NOTE: Decoupling components are not included.
Differential antenna
Not used
Not used
Not used
100 nF, 10%, X5R, 0402
18 pF, 5%, NP0, 0402
18 pF, 5%, NP0, 0402
27 nH, 5%, Monolithic/multilayer, 0402
Not used
27 nH, 5%, Monolithic/multilayer, 0402
Not used
43 kΩ, 1%, 0402
16 MHz crystal, 16 pF load (C_L)
Table 11. Bill of materials for the application circuits
SWRS042A
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