NRF52820-QDAA-R datasheet(422/437 Pages) NORDIC

422 / 437 page

Hardware and layout

Designator

Value

Description

Footprint

C1, C2, C15,

C16

12 pF

Capacitor, NP0, ±2%

0201

1.0 pF

Capacitor, NP0, ±5%

0201

1.2 pF

Capacitor, NP0, ±5%

0201

C5, C7, C11

100 nF

Capacitor, X7S, ±10%

0201

C6, C19

4.7 µF

Capacitor, X7R, ±10%

0603

820 pF

Capacitor, X7R, ±10%

0201

N.C.

Not mounted

0201

C10

100 pF

Capacitor, NP0, ±5%

0201

C12, C13

1.0 µF

Capacitor, X7S, ±10%

0402

C14

47 nF

Capacitor, X7S, ±10%

0201

C18

4.7 µF

Capacitor, X7S, ±10%

0603

4.7 nH

High frequency chip inductor, ±5%

0201

2.2 nH

High frequency chip inductor, ±5%

0201

10 µH

Chip inductor, IDC,min = 50 mA, ±20%

0603

15 nH

High frequency chip inductor, ±10%

0402

nRF52820-

QDAA

Multiprotocol Bluetooth® Low Energy, IEEE

802.15.4, ANT, and 2.4 GHz proprietary System on

Chip

QFN-40

32 MHz

Crystal SMD 1612, 32 MHz, Cl=8 pF, Total Tol: ±40

ppm

XTAL_1612

32.768 kHz

Crystal SMD 2012, 32.768 kHz, Cl=9 pF, Total Tol:

±50 ppm

XTAL_2012

Table 121: Bill of material for circuit configuration no. 2

7.3.3 Circuit configuration no. 3 for QDAA QFN40

This section contains a configuration summary, a schematic, and bill of materials table for QDAA QFN40

circuit configuration number 3.

Supply configuration

Enabled features

Config no.

VDDH

VDD

DCDCEN1

USB

Config. 3 N/A

Battery/Ext. regulator

Yes

Table 122: Configuration summary for circuit configuration no. 3

4463_156 v1.0

422

NRF52820-QDAA-R Datasheet(PDF) 422 Page - Nordic Semiconductor

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