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250 pcs
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250 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The Silicon Laboratories SI4431-B1-FM is a highly integrated, single-chip wireless ISM transceiver designed for applications requiring extended range and improved link performance. This device offers continuous frequency coverage from 240MHz to 930MHz, with a maximum output power of +13dBm and a receive sensitivity of -121dBm.
Key features include a data rate up to 256kbps, support for FSK, GFSK, and OOK modulation, and a wide operating voltage range of 1.8V to 3.6V. The transceiver consumes a typical current of 18.5mA in receive mode. It is housed in a 20-VFQFN exposed pad package and supports surface mount.
Additional system features include an automatic wake-up timer, low battery detector, 64-byte TX/RX FIFOs, and configurable packet handling, reducing overall current consumption and allowing the use of lower-cost system MCUs. An integrated temperature sensor and an 8-bit ADC are also included. The operating temperature range is -40°C to +85°C.
| Qty | Low | High |
|---|---|---|
| 1+ | $3.43 | $3.43 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The SI4431-B1-FM operates in the frequency range of 240MHz to 930MHz.
The maximum output power for the SI4431-B1-FM is +13 dBm.
The receive sensitivity is -121 dBm.
The maximum data rate supported is 256kbps.
The operating voltage range is 1.8V to 3.6V.
The operating temperature range is -40°C to +85°C.
It is supplied in a 20-VFQFN exposed pad package.