SI4431-B1-FMR Silicon Laboratories Inc, SI4431-B1-FMR Datasheet - Page 68

• 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: -

Si4430/31/32-B1
15. Package Markings (Top Marks)
15.1. Si4430/31/32 Top Mark
15.2. Top Mark Explanation
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Mark Method:
Line 1 Marking:
Line 2 Marking:
Line 3 Marking:
YAG Laser
X = Part Number
R = Die Revision
TTTTT = Internal Code
YY= Year
WW = Workweek
0 = Si4430
1 = Si4431
2 = Si4432
B = Revision B1
Internal tracking code.
Assigned by the Assembly House. Corresponds to the last
significant digit of the year and workweek of the mold date.
Rev 1.1