SI4431-B1-FM Silicon Laboratories Inc, SI4431-B1-FM Datasheet - Page 72

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

Specifications of SI4431-B1-FM

• Package / Case: 20-VQFN
• 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
• 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: 30 mA
• Minimum Operating Temperature: - 40 C
• Modulation: FSK, GFSK, OOK
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 4mm
• Product Length (mm): 4mm
• Operating Supply Voltage (min): 1.8V
• Operating Supply Voltage (typ): 3V
• Operating Supply Voltage (max): 3.6V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Si4430/31/32-B1
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Revision 0.4 to Revision 1.0
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Revision 1.0 to Revision 1.1
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72
OCUMENT
Combined 4430/4431/4432 into single data sheet.
Added Max Shutdown and Standby Currents and
adjusted typical values.
Updated TX currents.
Increased datarate to 256 kbps.
Updated Table 11 on page 20.
Revised "7. RX Modem Configuration" on page 49.
Added Sync and Header sections for packet handler
description
Updated descriptions on FIFO and Direct Modes
Changed pin 5 to NC and pin 6 to Ant1
Updated "9. Reference Design" on page 62.
Moved Detailed Register Descriptions to Application
Note (AN440)
Moved Measurement Results to Application Note
(AN438)
Replaced Applications Section with links to App
Notes
Updated pin 6, ANT1 to ANT.
Changed error in TX Datarate formula, "3.5.7. TX
Data Rate Generator" on page 31.
Updated "6.1. RX and TX FIFOs" on page 41
regarding the operation at the end of TX FIFO mode.
Updated description of general purpose ADC, "8.3.
General Purpose ADC" on page 52.
Added paragraph to "8.6. Wake-Up Timer and
32 kHz Clock Source" on page 56 for how 32 kHz
XTAL accuracy is determined.
Added paragraph to "8.8. GPIO Configuration" on
page 59 to describe how to control the ANT pin.
Deleted 100 ppm 32 kHz XTAL accuracy
specification.
Added new specification for 32k RC start-up.
Updated 32 kHz RC accuracy.
Updated preamble pattern to 010101 from 101010.
Deleted app notes which are not published.
Deleted tape and real quantity.
C
HANGE
L
IST
Rev 1.1