SI4438 Series

Catalog

IC RF TXRX ISM<1GHZ 20QFN

Part	Current - Transmitting	Voltage - Supply [Max]	Voltage - Supply [Min]	Serial Interfaces	Modulation	Frequency [Max]	Frequency [Min]	Type	Operating Temperature [Max]	Operating Temperature [Min]	Mounting Type	Supplier Device Package	Power - Output [Max]	GPIO	Package / Case	Data Rate (Max)	Sensitivity	RF Family/Standard	Current - Receiving
Silicon Labs SI4438-B1C-FMR	75 mA	3.6 V	1.8 V	SPI	FSK GFSK GMSK OOK	525 MHz	425 MHz	TxRx Only	85 °C	-40 °C	Surface Mount	20-QFN (4x4)	20 dBm	4	20-VFQFN Exposed Pad	500 kbps	-124 dBm	General ISM < 1GHz	14 mA
Silicon Labs SI4438-C2A-GMR	75 mA	3.6 V	1.8 V	SPI	FSK GFSK GMSK OOK	525 MHz	425 MHz	TxRx Only	85 °C	-40 °C	Surface Mount	20-QFN (4x4)	20 dBm	4	20-VFQFN Exposed Pad	500 kbps	-124 dBm	General ISM < 1GHz	13.7 mA
Silicon Labs SI4438-C2A-GM	75 mA	3.6 V	1.8 V	SPI	FSK GFSK GMSK OOK	525 MHz	425 MHz	TxRx Only	85 °C	-40 °C	Surface Mount	20-QFN (4x4)	20 dBm	4	20-VFQFN Exposed Pad	500 kbps	-124 dBm	General ISM < 1GHz	13.7 mA