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NRF52811-QCAA-R7 Datasheet(PDF) 427 Page - Nordic Semiconductor

Part # NRF52811-QCAA-R7
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-R7 Datasheet(HTML) 427 Page - Nordic Semiconductor

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Hardware and layout
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
L2
10 µH
Chip inductor, IDC,min = 50 mA, ±20%
0603
L3
15 nH
High frequency chip inductor ±10%
0402
U1
nRF52811-
QFAA
Multi-protocol Bluetooth® low energy, ANT and 2.4
GHz proprietary system on chip
QFN-48
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 128: Bill of material for QFAA QFN48 with DC/DC regulator setup
7.3.3 Schematic QCAA QFN32 with internal LDO 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
C10
1.0µF
P0.06
RF
C3
0.8pF
C8
100nF
L1
3.9nH
C6
N.C.
P0.00/XL1
P0.01/XL2
VDD_nRF
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
VDD_nRF
DEC3
P0.04/AIN2
P0.05/AIN3
P0.09
DEC2
C12
12pF
C11
12pF
Optional
X1
32MHz
X2
32.768kHz
Figure 159: QCAA QFN32 with internal LDO regulator setup
4454_140 v1.0
427



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