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NRF52811-QCAA-R Datasheet(PDF) 428 Page - Nordic Semiconductor

Part # NRF52811-QCAA-R
Description  nRF52811
PDF  444 Pages
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Manufacturer  NORDIC [Nordic Semiconductor]
Direct Link  https://www.nordicsemi.com/
Logo NORDIC - Nordic Semiconductor

NRF52811-QCAA-R Datasheet(HTML) 428 Page - Nordic Semiconductor

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Hardware and layout
Note: For PCB reference layouts, see Reference layout nRF52 Series.
Designator
Value
Description
Footprint
C1, C2, C11,
C12
12 pF
Capacitor, NP0, ±2%
0402
C3
0.8 pF
Capacitor, NP0, ±5%
0402
C4, C5, C8
100 nF
Capacitor, X7R, ±10%
0402
C6
N.C.
Not mounted
0402
C7
100 pF
Capacitor, NP0, ±5%
0402
C9
4.7 µF
Capacitor, X5R, ±10%
0603
C10
1.0 µF
Capacitor, X7R, ±10%
0603
L1
3.9 nH
High frequency chip inductor ±5%
0402
U1
nRF52811-QCAA Multi-protocol Bluetooth® low energy, ANT and
2.4 GHz proprietary system on chip
QFN-32
X1
32 MHz
XTAL SMD 2016, 32 MHz, Cl = 8 pF, Total Tol: ±40
ppm
XTAL_2016
X2
32.768 kHz
XTAL SMD 3215, 32.768 kHz, Cl = 9 pF, Total Tol:
±20 ppm
XTAL_3215
Table 129: Bill of material for QCAA QFN32 with internal LDO regulator setup
7.3.4 Schematic QCAA QFN32 with DC/DC regulator setup
In addition to the schematic, the bill of material (BOM) is also provided.
C1
12pF
C2
12pF
C7
100pF
C9
4.7µF
C4
100nF
C5
100nF
XC1
XC2
VDD_nRF
P0.10
DEC1
SWDCLK
SWDIO
L2
10µH
C10
1.0µF
L3
15nH
P0.06
RF
C3
0.8pF
C8
100nF
L1
3.9nH
C6
N.C.
P0.00/XL1
P0.01/XL2
VDD_nRF
VDD_nRF
DEC3
P0.04/AIN2
P0.05/AIN3
P0.09
DEC2
C12
12pF
C11
12pF
Optional
X1
32MHz
X2
32.768kHz
nRF52811
DEC1
1
P0.10
8
VSS
20
ANT
19
DEC2
21
DEC3
22
XC1
23
XC2
24
P0.00/XL1
2
P0.01/XL2
3
P0.04/AIN2
4
P0.05/AIN3
5
P0.06
6
P0.09
7
SWDCLK
17
SWDIO
18
U1
nRF52811-QCAA
C13
N.C.
Figure 160: QCAA QFN32 with DC/DC regulator setup
4454_140 v1.0
428



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