Si4730/31/34/35-D60
3. Bill of Materials
3.1. QFN/SSOP Bill of Materials
Table 15. Si473x-D60 QFN/SSOP Bill of Materials
Component(s)
Value/Description
Supply bypass capacitor, 22 nF, ±20%, Z5U/X7R
Coupling capacitor, 1 nF, ±20%, Z5U/X7R
Coupling capacitor, 0.47 μF, ±20%, Z5U/X7R
Supply bypass capacitor, 100 nF, 10%, Z5U/X7R
Ferrite loop stick, 180–450 μH
Supplier
Murata
C1
C2
C3
C4
L1
Murata
Murata
Murata
Jiaxin
U1
Si47xx AM/FM Radio Tuner
Silicon Laboratories
Optional Components
C5, C6
C7
Crystal load capacitors, 22 pF, ±5%, COG
(Optional for crystal oscillator)
Venkel
Murata
Coupling capacitor, 0.39 μF, ±20%, Z5U/X7R
(Optional for AUXIN)
C8
Coupling capacitor, 0.39 μF, ±20%, Z5U/X7R
Murata
(Optional for AUXIN)
C9
Noise mitigating capacitor, 2~5 pF
(Optional for digital audio)
Murata
R1
Resistor, 600 Ω
Venkel
(Optional for digital audio)
R2
Resistor, 2 kΩ
Venkel
(Optional for digital audio)
R3
Resistor, 2 kΩ
Venkel
(Optional for digital audio)
L2
Air Loop, 10-20 µH
Jiaxin
(Optional for AM Input)
T1
Transformer, 1:5 turns ratio
(Optional for AM Input)
Jiaxin, UMEC
Epson
X1
32.768 kHz crystal
(Optional for crystal oscillator)
22
Rev. 1.1
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