NRF2402 Datasheet, PDF (27/31 Pages) List of Unclassifed Manufacturers – Single chip 2.4 GHz Transmitter

PRODUCT SPECIFICATION
nRF2402/nRF2402G Single Chip 2.4 GHz Radio Transmitter
APPLICATION EXAMPLE
nRF2402/nRF2402G with single ended matching network
VDD
VDD
C5
C6
1nF
10nF
PWR_UP
CE
CS
CLK
DIN
1
2
3
4
CE
CS
CLK
DIN
R2
22k
U1
NRF2402
nRF2402
VDD_PA
ANT2
ANT1
VSS_PA
12
11
10
9
VDD
C4
C3
2.2nF
4.7pF
C8
1.0pF
L1
3.3nH
C7
1.0pF
L2
10nH
L3
5.6nH
C9
4.7pF
RF output
X1
16MHz
R1
1M
C1
C2
22pF
22pF
Figure 18 nRF2402/nRF2402G schematic for RF layouts with single ended 50Ω antenna
Component
C1
C2
C3
C4
C5
C6
R1
R2
U1
Description
Capacitor ceramic, 50V, NPO
Capacitor ceramic, 50V, NPO
Capacitor ceramic, 50V, NPO
Capacitor ceramic, 50V, X7R
Capacitor ceramic, 50V, X7R
Capacitor ceramic, 50V, X7R
Resistor
Resistor
nRF2402/nRF2402G transmitter
X1
Crystal, CL = 12pF,
ESR < 100 ohm
L1
Inductor ²⁾
L2
Inductor ²⁾
L3
Inductor ²⁾
C7
Ceramic capacitor, 50V, NP0
C8
Ceramic capacitor, 50V, NP0
C9
Ceramic capacitor, 50V, NP0
Size
0603
0603
0603
0603
0603
0603
0603
0603
QFN16 / 4x4
LxWxH =
4.0x2.5x0.8
0603
0603
0603
0603
0603
0603
Value
22
22
4.7
2.2
1.0
10
1.0
22
nRF2402/
nRF2402G
16 ¹⁾
3.3
10
5.6
1.0
1.0
4.7
Tolerance
±5%
±5%
±5%
±10%
±10%
±10%
±10%
±1%
+/- 30 ppm
± 5%
± 5%
± 5%
± 0.1 pF
± 0.1 pF
± 0.25 pF
Units
pF
pF
pF
nF
nF
nF
MΩ
kΩ
MHz
nH
nH
nH
pF
pF
pF
Table 18 Recommended components (BOM) in nRF2402/nRF2402G with antenna matching network
1) _{nRF2402/nRF2402G can operate at several crystal frequencies, ref. the Crystal Spec. chapter.}
2) _{Self-resonant frequency (SFR) must be > 2.7 GHz}
Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Phone [phone] - Fax [phone]
Revision: 2.0
Page 27 of 31
April 2005