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Silicon Labs

SI4438-B1C-FMR

MFR #SI4438-B1C-FMR

FPN#SI4438-B1C-FMR-FL

MFRSilicon Labs

Part DescriptionRF Transceiver (Board Mount) TxRx + MCU General ISM < 1GHz 20-QFN T/R
Datasheet
95565-Datasheet
Quote Onlymore info
Multiples of: 2500more info
Prices are in USD
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Product Attributes

Main CategorySemiconductors
CategoryIntegrated Circuits (ICs)
Sub CategoryRF ICs
Family NameSI4438
Lifecycle StatusActive (NRND)
ROHSCompliant
RoHs Exemption TypeNone, RoHS (2015/863)
Reach StatusCompliant
Core ProcessorN/R
Core SizeN/R
GPIO4
Life Cycle StatusActive (NRND)
Maximum Clock SpeedN/R
Maximum Data Rate500kbps
Maximum Operating Frequency525MHz
Maximum Operating Temperature85°C (TA)
Maximum Receiving Current14mA
Maximum Supply Voltage3.8V
Maximum Transmitting Current75mA
Memory SizeN/A
Minimum Operating Frequency425MHz
Minimum Operating Temperature-40°C (TA)
Minimum Receiving CurrentN/A
Minimum Sensitivity-124dBm
Minimum Supply Voltage1.8V
Minimum Transmitting CurrentN/A
ModulationFSK, GFSK, GMSK, OOK
Number of CoresN/R
PK Package Dimensions NotePopular package size 41% from Suppliers use this Dimension
Package Type20-QFN (4x4)
ProtocolN/A
RF Family StandardGeneral ISM < 1GHz
Serial InterfacesSPI
Transceiver TypeTxRx Only
Typical Output Power20dBm