Si4710/11-B30
Rev. 1.1
15
3. Typical Application Schematics
3.1. Analog Audio Inputs
Figure 10. Analog Audio Inputs (LIN, RIN)
U1
Si4710/11
NC
NC
RFGND
TXO
RST
RIN
DFS
DIN
GND
VDD
SEN
SCLK
SDIO
1
2
3
4
5
15
14
13
12
11
7
8
9
RST
RCLK
C1
VBATTERY
2.7 to 5.5 V
VIO
1.5 to 3.6 V
LIN
RIN
TX Antenna
L1
120 nH
22 nF
V
IO
Notes:
1. Si4710/11 is shown configured in I
2
C compatible bus mode.
2. GPO2/INT can be configured for interrupts with the powerup command.
3. To ensure proper operation and FM transmitter performance, follow the
guidelines in AN383: 3 mm x 3 mm QFN Universal Layout Guide.
Silicon Laboratories will evaluate schematics and layouts for qualified customers.
4. LIN, RIN line inputs must be ac-coupled.
C2
C3
0.47 礔
0.47 礔
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