NRF2401 Datasheet, PDF (33/37 Pages) List of Unclassifed Manufacturers – Single chip 2.4 GHz Transceiver

PRODUCT SPECIFICATION
Q5) 6LQJOH &KLS  *+] 5DGLR 7UDQVFHLYHU
$33/,&$7,21 (;$03/(
Q5) ZLWK VLQJOH HQGHG PDWFKLQJ QHWZRUN
xxx
VDD
C6
C5
R2
10nF
1nF
22K
PWR_UP
CE
DR2
CLK2
DOUT2
CS
DR1
CLK1
DATA
1
2
3
4
5
6
CE
DR2
CLK2
DOUT2
CS
DR1
nRF2401
AVSS
AVDD
VSS_PA
ANT2
ANT1
VDD_PA
18
17
16
15
14
13
C9
L1
3.6nH
1.0pF
C8
C4
C3
RF I/O
xxx
2.2nF 22pF
L2
1.0pF
22nH
U1
nRF2401
QFN24/5X5
X1
C7
33nF
xxx
16 MHz
R1
1M
C1
C2
22pF
22pF
Figure 19 nRF2401 schematic for RF layouts with single end 50Ω antenna
&RPSRQHQW
C1
C2
C3
C4
C5
C6
C7
R1
R2
U1
X1
'HVFULSWLRQ
Capacitor ceramic, 50V, NPO
Capacitor ceramic, 50V, NPO
Capacitor ceramic, 50V, NPO
Capacitor ceramic, 50V, X7R
Capacitor ceramic, 50V, X7R
Capacitor ceramic, 50V, X7R
Capacitor ceramic, 50V, X7R
Resistor
Resistor
Q5) transceiver
Crystal, CL = 12pF,
ESR < 100 ohm
6L]H
0603
0603
0603
0603
0603
0603
0603
0603
0603
QFN24 / 5x5
LxWxH =
4.0x2.5x0.8
9DOXH
22
22
22
2.2
1.0
10
33
1.0
22
nRF2401
16¹⁾
7ROHUDQFH
±5%
±5%
±5%
±10%
±10%
±10%
±10%
±1%
±1%
+/- 30 ppm
8QLWV
pF
pF
pF
nF
nF
nF
nF
MΩ
KΩ
MHz
L1
Inductor, wire wound ²⁾
0603
3.6
± 5%
nH
L2
Inductor, wire wound ²⁾
0603
22
± 5%
nH
C8
Ceramic capacitor, 50V, NP0
0603
1.0
± 0.25 pF
pF
C9
Ceramic capacitor, 50V, NP0
0603
1.0
± 0.25 pF
pF
Table 22 Recommended components (BOM) in nRF2401 with antenna matching
network
1) _{Q5) can operate at several crystal frequencies, please refer to page 31.}
2) _{Wire wound inductors are recommended, other can be used if their self-resonant frequency (SFR) is}
> 2.7 GHz
Nordic VLSI ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Phone [phone] - Fax [phone]
Revision: 1.0
Page 33 of 37
March 2003