SI4730-C40-GMR Silicon Laboratories Inc, SI4730-C40-GMR Datasheet - Page 18

• Manufacturer Part Number: SI4730-C40-GMR
• Description: IC RX AM/FM RADIO WORLD 20UQFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4730-C40-GMR

• Frequency: 520kHz ~ 1.71MHz, 64MHz ~ 108MHz
• Modulation Or Protocol: AM, FM
• Applications: General Purpose
• Current - Receiving: 19.9mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• 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
• Features: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -

Si4730/31-C40
3. Typical Application Schematic (SSOP)
Notes:
18
1. Place C1 close to V
2. All grounds connect directly to GND plane on PCB.
3. Pins 6 and 7 are no connects, leave floating.
4. Pins 10 and 11 are unused. Tie these pins to GND.
5. To ensure proper operation and receiver performance, follow the guidelines in “AN383: Si47xx Antenna, Schematic,
6. Pin 8 connects to the FM antenna interface, and pin 12 connects to the AM antenna interface.
7. Place Si4730/31 as close as possible to antenna and keep the FMI and AMI traces as short as possible.
GPIO3
Optional: Digital Audio Output
AM antenna
Optional: for crystal oscillator option
Layout, and Design Guidelines.” Silicon Laboratories will evaluate schematics and layouts for qualified customers.
GPO3/DCLK
DOUT
DFS
GPO2/INT
L1
C2
GPO1
DD
C4
FMI
C5
and DBYP pins.
X1
RFGND
NC
NC
NC
NC
R3
R2
R1
AMI
C3
RCLK
1
2
3
4
5
6
7
8
9
10
11
12
Rev. 1.0
24
23
22
21
20
19
18
17
16
15
14
13
VDD
DBYP
VIO
F2
Optional: AM air loop antenna
GND
1.85 to 3.6 V
LOUT
RCLK
SDIO
SEN
ROUT
SCLK
RST
T1
C1
C5
2.0 to 5.5 V
RFGND
AMI