SI4421 Series

Catalog

IC RF TXRX ISM<1GHZ 16TSSOP

Part	Data Rate (Max) [Max]	Sensitivity	Current - Transmitting [Max]	Current - Transmitting [Min]	Modulation	Frequency	Operating Temperature [Max]	Operating Temperature [Min]	Current - Receiving [Max]	Current - Receiving [Min]	Power - Output	Mounting Type	Serial Interfaces	Voltage - Supply [Max]	Voltage - Supply [Min]	Type	RF Family/Standard	Package / Case [y]	Package / Case	Package / Case [y]	Supplier Device Package
SILICON LABS SI4421-A0-FTR	256 kbps	-110 dBm	24 mA	15 mA	FSK	315 MHz 434 MHz 868 MHz 915 MHz	85 °C	-40 C	13 mA	11 mA	7 dBm	Surface Mount	SPI	3.8 V	2.2 V	TxRx Only	General ISM < 1GHz	4.4 mm	16-TSSOP	0.173 in	16-TSSOP
SILICON LABS SI4421-A1-FT1R
SILICON LABS SI4421-A0-FT	256 kbps	-110 dBm	24 mA	15 mA	FSK	315 MHz 434 MHz 868 MHz 915 MHz	85 °C	-40 C	13 mA	11 mA	7 dBm	Surface Mount	SPI	3.8 V	2.2 V	TxRx Only	General ISM < 1GHz	4.4 mm	16-TSSOP	0.173 in	16-TSSOP
SILICON LABS SI4421-A1-FTR	256 kbps	-110 dBm	24 mA	15 mA	FSK	315 MHz 434 MHz 868 MHz 915 MHz	85 °C	-40 C	13 mA	11 mA	7 dBm	Surface Mount	SPI	3.8 V	2.2 V	TxRx Only	General ISM < 1GHz	4.4 mm	16-TSSOP	0.173 in	16-TSSOP
SILICON LABS SI4421-A1-FT	256 kbps	-110 dBm	24 mA	15 mA	FSK	315 MHz 434 MHz 868 MHz 915 MHz	85 °C	-40 C	13 mA	11 mA	7 dBm	Surface Mount	SPI	3.8 V	2.2 V	TxRx Only	General ISM < 1GHz	4.4 mm	16-TSSOP	0.173 in	16-TSSOP
SILICON LABS SI4421-A1-FT1