240-930MHz RF Transceiver IC supporting FSK, GFSK, and OOK modulation. Features a 20dBm output power and -121dBm sensitivity, operating with a 1.8V to 3.6V supply voltage. Data rates up to 256Kbps are supported via an SPI interface. This 3V automotive-grade component is housed in a 20-pin QFN package, with operating temperatures ranging from -40°C to 85°C.
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Silicon Labs SI4432-B1-FM technical specifications.
| Package/Case | QFN |
| Current - Receiving | 18.5mA |
| Current - Transmitting | 85mA |
| Data Rate | 256Kbps |
| Depth | 4mm |
| Frequency | 930MHz |
| Height | 0.85mm |
| Interface | SPI |
| Length | 4mm |
| Max Frequency | 930MHz |
| Min Frequency | 240MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Current | 85mA |
| Max Supply Voltage | 3.6V |
| Min Supply Voltage | 1.8V |
| Number of GPIO | 3 |
| Operating Supply Voltage | 3V |
| Output Power (dBm) | 20dBm |
| Package Quantity | 75 |
| Packaging | Rail/Tube |
| Radiation Hardening | No |
| Reach SVHC Compliant | Unknown |
| RoHS Compliant | Yes |
| Sensitivity | -121dBm |
| Weight | 0.001515oz |
| Width | 4mm |
| RoHS | Compliant |
Download the complete datasheet for Silicon Labs SI4432-B1-FM to view detailed technical specifications.
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