SI4431-B1-FMR Silicon Laboratories Inc, SI4431-B1-FMR Datasheet - Page 6

• Manufacturer Part Number: SI4431-B1-FMR
• Description: IC TXRX 240-930MHZ -8-13DB 20QFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4431-B1-FMR

• Mfg Application Notes: Transitioning SI4430/31 to Rev B
• Frequency: 240MHz ~ 930MHz
• Data Rate - Maximum: 256kbps
• Modulation Or Protocol: FSK, GFSK, OOK
• Applications: General Purpose
• Power - Output: 13dBm
• Sensitivity: -121dBm
• Voltage - Supply: 1.8 V ~ 3.6 V
• Current - Receiving: 18.5mA
• Current - Transmitting: 30mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-VQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -

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Table 1. DC Characteristics
Table 2. Synthesizer AC Electrical Characteristics
Table 3. Receiver AC Electrical Characteristics
Table 4. Transmitter AC Electrical Characteristics
Table 5. Auxiliary Block Specifications
Table 6. Digital IO Specifications (SDO, SDI, SCLK, nSEL, and nIRQ) ................................... 12
Table 7. GPIO Specifications (GPIO_0, GPIO_1, and GPIO_2) .............................................. 12
Table 8. Absolute Maximum Ratings ........................................................................................ 13
Table 9. Operating Modes ........................................................................................................17
Table 10. Serial Interface Timing Parameters .......................................................................... 18
Table 11. Operating Modes Response Time ............................................................................20
Table 12. Frequency Band Selection ....................................................................................... 26
Table 13. Packet Handler Registers ......................................................................................... 45
Table 14. Minimum Receiver Settling Time .............................................................................. 47
Table 15. POR Parameters ...................................................................................................... 50
Table 16. Temperature Sensor Range ..................................................................................... 53
Table 17. Antenna Diversity Control ......................................................................................... 60
Table 18. Register Descriptions ............................................................................................... 64
Table 19. Package Dimensions ................................................................................................ 69
Table 20. PCB Land Pattern Dimensions ................................................................................. 71
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Rev 1.1
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Si4430/31/32-B1
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