SI4438 Series

Catalog

IC RF TXRX ISM<1GHZ 20QFN

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