The SI4431-A0-FM is a dual-UART bridge IC with I2C and SPI interfaces, supporting data rates up to 33 Mbps. It features a 64-byte FIFO and operates from 1.8 to 3.6V with a maximum supply current of 28mA. The device is RoHS compliant and has a maximum operating temperature of 85°C. It is available in a QFN-32 package and is suitable for surface mount applications.
Frequency930MHz
PackageQFN
MountingSurface Mount
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Technical Specifications
Silicon Labs SI4431-A0-FM technical specifications.
General
| Package/Case | QFN |
| Current - Receiving | 18.5mA |
| Current - Transmitting | 28mA |
| Data Rate | 128Kbps |
| Frequency | 930MHz |
| Interface | SPI |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Current | 28mA |
| Max Supply Voltage | 3.6V |
| Min Supply Voltage | 1.8V |
| Mount | Surface Mount |
| Number of GPIO | 3 |
| Number of Receivers | 2 |
| Number of Transmitters | 1 |
| Output Power (dBm) | 13dBm |
| Package Quantity | 75 |
| Packaging | Rail/Tube |
| RoHS Compliant | Yes |
| Sensitivity | -118dBm |
| Weight | 0.001515oz |
Compliance
| RoHS | Compliant |
Datasheet
Silicon Labs SI4431-A0-FM Datasheet
Download the complete datasheet for Silicon Labs SI4431-A0-FM to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.
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