SI4712-B30-GMR Silicon Laboratories Inc, SI4712-B30-GMR Datasheet - Page 16

• Manufacturer Part Number: SI4712-B30-GMR
• Description: IC TX FM RADIO W/RPS 20UQFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4712-B30-GMR

• Frequency: 76MHz ~ 108MHz
• Applications: General Purpose
• Modulation Or Protocol: FM
• Current - Transmitting: 18.8mA
• 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: -
• Power - Output: -
• Memory Size: -
• Data Rate - Maximum: -

Si4712/13-B30
3. Typical Application Schematics
3.1. Analog Audio Inputs
16
TX Antenna
RCLK
SCLK
1.5 to 3.6 V
Notes:
1. Si4712/13 is shown configured in I
2. GPO2/INT can be configured for interrupts with the powerup command.
3. To ensure proper operation and FM transmitter performance, follow the
4. LIN, RIN line inputs must be ac-coupled.
SDIO
SEN
RST
120 nH
V
guidelines in “AN383: 3 mm x 3 mm QFN Universal Layout Guide.”
Silicon Laboratories will evaluate schematics and layouts for qualified customers.
IO
L1
Figure 10. Analog Audio Inputs (LIN, RIN)
1
2
3
4
5
NC
NC
RFGND
TXO
RST
V
Si4712/13
IO
Rev. 1.1
2
U1
C compatible bus mode.
GND
DFS
RIN
DIN
V
0.47 µF
DD
C2
15
14
13
12
11
C3
0.47 µF
C1
22 nF
VBATTERY
2.7 to 5.5 V
LIN
RIN