SI4713-B30-GMR Silicon Laboratories Inc, SI4713-B30-GMR Datasheet - Page 15

• Manufacturer Part Number: SI4713-B30-GMR
• Description: IC TX FM RADIO RPS/RDS 20UQFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4713-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
• Package / Case: 20-UQFN, 20-µQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Power - Output: -
• Operating Temperature: -
• Memory Size: -
• Data Rate - Maximum: -

2. Test Circuit
2.1. Test Circuit Schematic
2.2. Test Circuit Bill of Materials
Component(s)
C2, C3
C1
C4
R1
U1
L1
V
TXOUT
2 pF
50 Ω
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.
guidelines in “AN383: 3 mm x 3 mm QFN Universal Layout Guide.”
Silicon Laboratories will evaluate schematics and layouts for qualified customers.
C4
R1
RCLK
SCLK
1.5 to 3.6 V
SDIO
RST
SEN
V
120 nH
IO
Supply bypass capacitor, 22 nF, 20%, Z5U/X7R
L1
Table 12. Si4712/13 Test Circuit Bill of Materials
Si4712/13 FM Radio Transmitter
AC Coupling Capacitor, 0.47 µF
2 pF, ±.05 pF, 06035JZR0AB
120 nH inductor, Qmin = 30
Figure 9. Test Circuit Schematic
1
2
3
4
5
Value/Description
NC
NC
RFGND
TXO
RST
49.9 Ω, 5%
2
C compatible bus mode.
V
Rev. 1.1
Si4712/13
IO
U1
GND
DFS
RIN
DIN
V
0.47 µF
DD
C2
15
14
13
12
11
C3
0.47 µF
Si4712/13-B30
C1
22 nF
Silicon Laboratories
Supplier(s)
Murata
Murata
Murata
Murata
LIN
RIN
VBATTERY
2.7 to 5.5 V
AVX
15