SI4431-A0-FM Silicon Laboratories Inc, SI4431-A0-FM Datasheet - Page 151

• 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

Register 76h. Nominal Carrier Frequency
Register 77h. Nominal Carrier Frequency
Register 78h. Miscellaneous Settings
Reset value = 10111011
Reset value = 10000000
Reset value = 01111000
Name
Name
Name
Type
Type
Type
Bit
Bit
Bit
7:0
7:0
7:4
2:0
Bit
Bit
Bit
3
Reserved[7:4] Reserved.
rcosc_cal[2:0] rcosc_cal[2:0].
Alt_PA_Seq
fc[15:8]
Name
Name
fc[7:0]
Name
D7
D7
D7
Nominal Carrier Frequency Setting.
See formula above.
Nominal Carrier Frequency Setting.
See formula above.
Alternative PA sequencing.
If set, we will enable the alternative PA sequence. By default, this is not enabled.
Fine changes on the RC OSC Calibration target frequency, to help compensate for “cali-
bration biases.” This register should not be changed by costumers.
D6
D6
D6
Reserved[7:4]
R/W
D5
D5
D5
Preliminary Rev. 0.4
D4
D4
D4
fc[15:8]
fc[7:0]
R/W
R/W
Alt_PA_Seq
Function
Function
Function
R/W
D3
D3
D3
D2
D2
D2
rcosc_cal[2:0]
R/W
D1
D1
D1
Si4431
D0
D0
D0
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