Not Recommended for New Design

Si4431 EZRadioPRO ISM Band

The Si4431 EZRadioPRO ISM Band supports a frequency range between 240 and 930 Hz and output power range between -8 and 13 dBm. The Si4431 is avaialble in a QFN20 package.

View Datasheet for all specifications
Specifications Summary

Description: EZRadioPRO Sub-GHz Transceiver

Output Power Min. (dBm): -8

Output Power Max. (dBm): 13

RX Current (mA): 18.5

Frequency Min. (MHz): 240

Frequency Max. (MHz): 930

+11/+20 dBm TX Current (mA): —/—

+13 dBm TX Current: 30

FSK/GFSK (kbps): 256

OOK (kbps): 40

Package Type: QFN20

2/4.8 Sensitivity (dBm): 1.1

Title Version Resource Type
Wireless Development Suite 3.2.11.0 Software
EZMacPRO-setup.nr Software
Simplicity Studio v4, Mac Installer v4.1.8.2 Software
Chip Configurator v2.4 (unsupported version) 2.4 Software
Wireless Meter Bus Stack Software
SDBC_DK3_Factory_Firmware(hex file only) 3.80r/3.80B Software
EZMacPRO Reference Source Code 3.0.1r Software
Wireless Meter Bus Software
Loadboard (MSC-DKLB2.x) USB Driver 2.x Software
EZLink Firmware (F930/Si443x) 1.4r/b Software
Wireless M-Bus Quick Start Guide 2 Quick Start Guides
Wireless Starter Kit (WSTK) Mainboard BRD4001A Schematic A01 Schematic and Layout Files
Wireless Starter Kit (WSTK) Mainboard BRD4001A Bill of Materials A01 Schematic and Layout Files
Standard Outerbox Label Change to Include RoHS and Halogen Free Mark Product Change Notifications (PCN)
AN1134: Dynamic Multiprotocol Development with Bluetooth® and Proprietary 0.1 Application Notes
AN1160: Project Collaboration with Simplicity Studio 0.1 Application Notes
Wireless Selector Guide 7 Brochures
PB #1606031: Inner Box Label Change Product Change Notifications (PCN)
AN0822: Simplicity Studio™ User's Guide 0.5 Application Notes
AN1121: Headless Builds with Simplicity Studio v4 0.1 Application Notes
Wireless Development Suite Release Note 3.2.11.0 Release Notes
WMBUS Setup Software
EZRadioPRO API Rev C2A-A2A 2.0.5 Application Notes
AN1004: RF Evaluation with EZR32 0.1 Application Notes
AN467: Si4330 Register Descriptions 0.2 Application Notes
AN626: Packet Handler Operation for Si446x RFICs 0.2 Application Notes
Si4330 Rev V2 Errata 012709 Errata
Si4330 Rev A0 Errata 06.29.09 Errata
4330-T-B1 B 434 Schematics and Layout 1.1 Schematic and Layout Files
4330-T-B1 B 950 Schematics and Layout 1.1 Schematic and Layout Files
4330-T-B1 B 915 Schematics and Layout 1.1 Schematic and Layout Files
MSC-AMS915-EK - 915MHz Antenna Matrix Development Kit Design Files 01-01 Schematic and Layout Files
4330-T-B1 B 868 Schematics and Layout 1.1 Schematic and Layout Files
4330-T-B1 B 470 Schematics and Layout 1.1 Schematic and Layout Files
MSC-AMS868-EK - 868MHz Antenna Matrix Development Kit Design Files 01-01 Schematic and Layout Files
EZLink Chat Software
Using Antenna Diversity to Create Highly Robust Radio Links White Papers
Sub-GHz Wireless Design Choices for Smart Metering White Papers
Si4430/Si4431/Si4432 ISM Transceiver 1.1 Data Sheets
WDS Chip Configurator User Guide 0.2 User Guides
Si403x/433x/443x Test Site Expansion-UNISEMM, Std Product Change Notifications (PCN)
Si403x/433x/443x/4313 Test Site Expansion-STC Std Product Change Notifications (PCN)
1205221_EZRadioPRO_(Si4x3x)_Assembly_Site_Expansion_SPIL_std Product Change Notifications (PCN)
Si443X-B1 Datasheet Rev 1.1 Std Product Change Notifications (PCN)
170713111-FAB9-Tower-Jazz-Foundry-Qualification Product Change Notifications (PCN)
Si403X, Si433X, Si443X, Si4313 MSL1 Improvement Std Product Change Notifications (PCN)
PB #1412244: SPIL QFN-4x4 Tray change Wireless Product Change Notifications (PCN)
PCN #1310031: Si4xxx EZRadio and EZRadio PRO Tray Change SPIL QFN 4x4 Product Change Notifications (PCN)
EZRadioPRO™ Register Calculator (A0 Silicon) 4.0 Software
EZLink Chat 2.2 2.20 Software
Chip Configurator Scripts Software
EZRadioPRO Si443x Register Calculator (B1 Silicon) 7.0 Software
EZRadioPRO™ Register Calculator (V Silicon) 26 Software
Battery Life Calculator Software
EZLinkChat Software
Microsoft®.NET Software
WDS Terminal Emulator Software
AN585: EZRadioPro Low Duty Cycle Mode Operation 0.1 Application Notes
AN379: Antenna Diversity with EZRadioPRO® 0.2 Application Notes
AN439: EZRadioPRO RF Testing Quick-Start Guide 0.1 Application Notes
AN451: Wireless M-Bus Software Implementation 0.1 Application Notes
AN429: Using the DC-DC Converter on the F9xx Series MCU for Single Battery Operation with the EZRadioPRO® RF Devices 0.1 Application Notes
AN432: RX BER Measurement on EZRadioPRO with a Looped Bit Sequence 0.2 Application Notes
AN417: Si4x3x Family and Crystal Oscillators 0.3 Application Notes
AN415: EZRadioPRO® Programming Guide 0.7 Application Notes
AN593: Temperature Sensor Usage and Frequency Calibration for the Si4x3x 0.1 Application Notes
AN463: Raw Data Mode with EZRadioPRO 0.2 Application Notes
AN427: EZRadioPRO™ Si433x & Si443x RX LNA matching 0.1 Application Notes
AN436: Si4030/4031/4430/4431 PA Matching 0.2 Application Notes
AN592: Data Whitening Demo Code 0.1 Application Notes
AN799: Transitioning from the Si443x to the Si446x 0.2 Application Notes
AN537: FIFO Mode, Direct Mode, and Packet Handler Operation for EZRadioPro 0.3 Application Notes
AN440: Si4430/31/32 Register Descriptions 0.9 Application Notes
AN414: EZRadioPRO® Layout Design Guide 0.2 Application Notes
AN452: Wireless M-Bus Stack Programmer's Guide 0.1 Application Notes
AN445: Si4431 RF Performance and ETSI Compliance Test Results 0.3 Application Notes
AN657: Radio Evaluation Demo for EZRadioPRO® 0.1 Application Notes
AN458: Transitioning Si4430/31 from Rev A0 to Rev B 0.2 Application Notes
Si4432/31/30 Data Short 2.20.09 Data Shorts
RF to USB Reference Design Reference Designs
Si4431 Rev A0 Errata 06.29.09 Errata
Si4x3x Rev B Errata 04.17.12 Errata
AN592 reference SW code - Data Whitening Demo Example Code
AN585SW: EZRadioPro Low Duty Cycle Mode Operation Software 1.0 Example Code
AN463 Deglitch Reference Code 0.2 Example Code
AN415_EZRadioPRO_Sample_Code 1.0 Example Code
4431-T-B1 B 868 Schematics and Layout 2.0 Schematic and Layout Files
4431 T B1 B 915 Schematics and Layout 2.0 Schematic and Layout Files
4431-T-B1 D 434 Schematics and Layout 2.0 Schematic and Layout Files
1002-TCB1 D 434 Schematics and Layout Schematic and Layout Files
MSC-AMS434-EK - 434MHz Antenna Matrix Development Kit Design Files 01-01 Schematic and Layout Files
4431-T-B1 D 868 Schematics and Layout 2.0 Schematic and Layout Files
4431-T-B1 B 434 Schematics and Layout 2.0 Schematic and Layout Files
4431-T-B1_D_915 Schematics and Layout 2.0 Schematic and Layout Files
The Energy Harvesting Tipping Point for Wireless Sensor Applications 0.1 White Papers
The benefits and trends of sub-GHz wireless IC systems among various industry applications White Papers
Wireless Meter-Bus Demonstration Kit Quick-Start Guide 0.1 Quick Start Guides
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