Telecom IC featuring a 525MHz frequency range (425MHz to 525MHz) and 500Kbps data rate. This QFN-packaged component offers 20dBm output power and -124dBm sensitivity, with an SPI interface. Operating voltage is 1.8V to 3.6V, drawing 14mA in receive and 75mA in transmit modes. Includes 4 GPIO pins and operates from -40°C to 85°C.
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Silicon Labs SI4438-B1C-FM technical specifications.
| Package/Case | QFN |
| Current - Receiving | 14mA |
| Current - Transmitting | 75mA |
| Data Rate | 500Kbps |
| Frequency | 525MHz |
| Height | 0.85mm |
| Interface | SPI |
| Length | 4mm |
| Max Frequency | 525MHz |
| Min Frequency | 425MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Min Supply Voltage | 1.8V |
| Number of GPIO | 4 |
| Operating Supply Voltage | 3.3V |
| Output Power (dBm) | 20dBm |
| Package Quantity | 75 |
| Packaging | Rail/Tube |
| Reach SVHC Compliant | Unknown |
| RoHS Compliant | Yes |
| Sensitivity | -124dBm |
| Weight | 0.000582oz |
| Width | 4mm |
| RoHS | Compliant |
Download the complete datasheet for Silicon Labs SI4438-B1C-FM to view detailed technical specifications.
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