SI4431-A0-FM Silicon Laboratories Inc, SI4431-A0-FM Datasheet - Page 17

• Manufacturer Part Number: SI4431-A0-FM
• Description: IC TXRX ISM 930MHZ 3.6V 20-QFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4431-A0-FM

• Package / Case: 20-QFN
• Mfg Application Notes: Transitioning SI4430/31 to Rev B
• Frequency: 240MHz ~ 930MHz
• Data Rate - Maximum: 128kbps
• Modulation Or Protocol: FSK, GFSK, OOK
• Power - Output: 13dBm
• Sensitivity: -118dBm
• Voltage - Supply: 1.8 V ~ 3.6 V
• Current - Receiving: 18.5mA
• Current - Transmitting: 28mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Number Of Receivers: 2
• Number Of Transmitters: 1
• Wireless Frequency: 240 MHz to 930 MHz
• Output Power: 13 dBm
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Maximum Supply Current: 28 mA
• Minimum Operating Temperature: - 40 C
• Modulation: FSK, GFSK, OOK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Applications: -
• Memory Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 336-1633-5

supply voltage
Figure 1. Si4431 RX/TX Direct-Tie Application Example
100p
C6
C3
L3
C4
C5
100n
C7
C2
L4
L2
1u
C8
C1
Programmable load capacitors for X1 are integrated.
R1, L1-L5 and C1-C4 values depend on frequency band,
antenna impedance, output power and supply voltage range.
Preliminary Rev. 0.4
L1
VDD_RF
VR_IF
C10
1u
RXn
RFp
TX
1
2
3
4
5
30MHz
Si4431
X1
15
14
13
12
11
1u
C9
SCLK
SDI
SDO
VDD_D
NC
GP1
GP2
GP3
GP4
GP5
microcontroller
VDD
VSS
Si4431
17