SI4739-B20-GMR Silicon Laboratories Inc, SI4739-B20-GMR Datasheet - Page 16

• Manufacturer Part Number: SI4739-B20-GMR
• Description: IC RX FM/WB RAD RDS/RBDS 20UQFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4739-B20-GMR

• Frequency: 76MHz ~ 108MHz, 162.4MHz ~ 162.55MHz
• Modulation Or Protocol: FM, WB
• Applications: General Purpose
• Current - Receiving: 19.9mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Features: RSSI Equipped
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-UQFN, 20-µQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -

Si473x-B20
4. Bill of Materials
16
Component(s)
C2, C3
C1
C5
U1
R1
R2
R3
T1
X1
L1
L2
Supply bypass capacitor, 22 nF, ±20%, Z5U/X7R
Coupling capacitor, 0.47 µF, ±20%, Z5U/X7R
Ferrite loop stick, 180
Si473x AM/FM Radio Tuner
Transformer, 1–5 turns ratio
Air loop antenna, 10–20 µH
Crystal load capacitors, 22 pF, ±5%, COG
(Optional: for crystal oscillator option)
32.768 kHz crystal (Optional: for crystal oscillator option)
Resistor, 2 k(Optional: for digital audio)
Resistor, 2 k(Optional: for digital audio)
Resistor, 600 (Optional: for digital audio)
–
450 µH
Optional Components
Value/Description
Rev. 0.5
Silicon Laboratories
Jiaxin, UMEC
Supplier
Various
Murata
Murata
Venkel
Venkel
Venkel
Venkel
Epson
Jiaxin