High-performance RF transceiver supporting FSK, GFSK, GMSK, MSK, and OOK modulation. Features a 1.8V to 3.6V operating voltage range, 3.3V nominal supply, and a data rate up to 1Mbps. Offers a sensitivity of -126dBm and transmit output power up to 16dBm across a frequency range of 119MHz to 1.05GHz. Integrated SPI interface, 4 GPIO pins, and a single receiver and transmitter. Packaged in a 4mm x 4mm QFN with a 20-pin configuration.
Frequency119MHz
PackageQFN
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Technical Specifications
Silicon Labs SI4461-B1B-FM technical specifications.
General
| Package/Case | QFN |
| Color | Black |
| Current - Receiving | 13.7mA |
| Current - Transmitting | 43mA |
| Data Rate | 1Mbps |
| Diameter | 0.75inch |
| Frequency | 119MHz |
| Height | 0.63inch |
| Interface | SPI |
| Length | 4mm |
| Material | Metal |
| Max Frequency | 1.05GHz |
| Min Frequency | 119MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Min Supply Voltage | 1.8V |
| Number of GPIO | 4 |
| Number of Receivers | 1 |
| Number of Transmitters | 1 |
| Operating Supply Voltage | 3.3V |
| Output Power (dBm) | 16dBm |
| Package Quantity | 25 |
| Packaging | Rail/Tube |
| Reach SVHC Compliant | Unknown |
| RoHS Compliant | Yes |
| Sensitivity | -126dBm |
| Width | 4mm |
Compliance
| RoHS | Compliant |
Datasheet
Silicon Labs SI4461-B1B-FM Datasheet
Download the complete datasheet for Silicon Labs SI4461-B1B-FM to view detailed technical specifications.
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