The Si4431-B1-FM is a RF transceiver with a minimum operating temperature of -40 degrees Celsius and a maximum operating temperature of 85 degrees Celsius. It supports FSK/GFSK/OOK modulation technique and operates at a maximum RF frequency of 1500MHz. The device requires a minimum operating supply voltage of 1.8V and a maximum operating supply voltage of 3.6V. It has a typical operating supply voltage of 3V and a maximum data rate of 256Kbps.
| RoHS |
Yes |
| Category |
Transceiver |
| Pin Count |
20 |
| Package/Case |
QFN EP |
| RoHS Version |
2011/65/EU, 2015/863 |
| Maximum Data Rate |
256Kbps |
| Package Family Name |
QFN |
| Modulation Technique |
FSK/GFSK/OOK |
| Operating Band Frequency |
240 to 930MHz |
| Max Operating Temperature |
85°C |
| Min Operating Temperature |
-40°C |
| Max Operating Supply Voltage |
3.6V |
| Min Operating Supply Voltage |
1.8V |
| Maximum RF Operating Frequency |
930MHz |
| Typical Operating Supply Voltage |
3V |
| Maximum RF Operating Frequency Range |
500 to 1500MHz |