Product Specs
Page 79
nRF51802 Product Specification v1.2
11.4 QCAA QFN32 package
Documentation for the QCAA QFN32 package reference circuit, including Altium Designer files, PCB layout
files, and PCB production files can be downloaded from the Reference Layout section in our Infocenter.
11.4.1 QCAA QFN32 schematic with internal LDO setup
Figure 22 QCAA QFN32 with internal LDO setup
Note: For PCB reference layouts, see the Reference Layout section in our Infocenter.
C1
12pF
C2
12pF
C3
2.2nF
C4
1.0pF
C9
1.0nF
C8
100nF
C10
47nF
C11
100nF
VCC_nRF
VCC_nRF
VCC_nRF
P0.08
P0.09
P0.12
P0.14
P0.16
P0.17
P0.21
P0.28
P0.29
P0.00
P0.02
P0.03
P0.04
P0.06
SWCLK
SWDIO
GND
L1
5.6nH
L2
10nH
L3
2.7nH
C6
1.5pF
C14
12pF
C13
12pF
X2
32.768kHz
XL2
XL1
Optional
VDD
1
VDD
8
VSS
9
VDD_PA
19
ANT1
20
ANT2
21
VSS
22
VSS
23
AVDD
24
XC1
25
XC2
26
nRF51802
DCC
2
P0.00
3
P0.02
4
P0.03
5
P0.04
6
P0.06
7
P0.08
10
P0.09
11
P0.21
28
P0.26
29
P0.28
31
P0.27
30
P0.29
32
P0.17
17
DEC2
18
P0.12
12
P0.14
13
SWDIO
15
SWDCLK
16
DEC1
27
P0.16
14
U1
nRF51802-QCAA
C7
100nF
X1
16MHz
C5
3.9pF