RF Transceiver IC for ISM <1GHz applications, featuring a 915MHz frequency band and a 256Kbps data rate. This surface-mount device operates with a supply voltage range of 2.2V to 3.8V, drawing a maximum of 25mA. It offers a transmitting output power of 7dBm and a receiving sensitivity of -110dBm. The IC supports SPI interface and includes two receivers and two transmitters, packaged in a 16TSSOP with a temperature range of -40°C to 85°C.
Silicon Labs SI4421-A1-FT technical specifications.
| Package/Case | TSSOP |
| Current - Receiving | 13mA |
| Current - Transmitting | 24mA |
| Data Rate | 256Kbps |
| Frequency | 915MHz |
| Interface | SPI |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Current | 25mA |
| Max Supply Voltage | 3.8V |
| Min Supply Voltage | 2.2V |
| Mount | Surface Mount |
| Number of Receivers | 2 |
| Number of Transmitters | 2 |
| Output Power (dBm) | 7dBm |
| Package Quantity | 96 |
| Packaging | Rail/Tube |
| Sensitivity | -110dBm |
| Weight | 0.002037oz |
| RoHS | Compliant |
Download the complete datasheet for Silicon Labs SI4421-A1-FT to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.