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BLUENRG-345VC Datasheet(PDF) 33 Page - STMicroelectronics

No. de pieza BLUENRG-345VC
Descripción Electrónicos  Programmable Bluetooth® Low Energy wireless SoC
PDF  72 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

BLUENRG-345VC Datasheet(HTML) 33 Page - STMicroelectronics

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Table 7. Application circuit external components
Component
Description
C1
Decoupling capacitor
C2
32 kHz crystal loading capacitor
C3
32 kHz crystal loading capacitor
C4
Decoupling capacitor
C5
Decoupling capacitor for digital regulator
C6
DC – DC converter output capacitor
C7
Decoupling capacitor
C8
Decoupling capacitor
C9
DC-DC converter output inductor
C10
Decoupling capacitor
C11
Decoupling capacitor
C12
RF matching capacitor
C13
Decoupling capacitor
C14
Decoupling capacitor
C15
RF matching capacitor
C16
RF matching capacitor
L1
DC-DC converter output inductor
L2
RF matching inductor
L3
RF matching capacitor
Q1
Low speed crystal
Q2
High speed crystal
U1
BlueNRG-LP
U2
Low/band pass filter
Note:
In order to make the board DC–DC OFF, the inductance L1 must be removed and the supply voltage must be
applied to the VFBSD pin.
BlueNRG-LP
Application circuits
DS13282 - Rev 2
page 33/72



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