SI4431-A0-FM Silicon Laboratories Inc, SI4431-A0-FM Datasheet - Page 17
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SI4431-A0-FM
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SI4431-A0-FMR
Manufacturer:
SILICON
Quantity:
3 500
Part Number:
SI4431-A0-FMR
Manufacturer:
SILICONLABS/芯科
Quantity:
20 000
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