SI4431-A0-FM Silicon Laboratories Inc, SI4431-A0-FM Datasheet - Page 111

• 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 26h. Received Signal Strength Indicator
Register 27h. RSSI Threshold for Clear Channel Indicator
Register 28h. Antenna Diversity 1
Reset value = 00000000
Reset value = 00011110
Reset value = 00000000
Name
Name
Name
Type
Type
Type
Bit
Bit
Bit
7:0
7:0
7:0
Bit
Bit
Bit
adrssi[7:0]
rssith[7:0]
rssi[7:0]
Name
Name
Name
D7
D7
D7
Received Signal Strength Indicator Value.
RSSI Threshold.
Interrupt is set if the RSSI value is above this threshold.
Measured RSSI Value on Antenna 1.
D6
D6
D6
D5
D5
D5
Preliminary Rev. 0.4
D4
D4
D4
adrssi[7:0]
rssith[7:0]
rssi[7:0]
R/W
R
R
Function
Function
Function
D3
D3
D3
D2
D2
D2
D1
D1
D1
Si4431
D0
D0
D0
111