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IC RF TXRX ISM<1GHZ 20QFNIn StockRoHS / Compliance

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SI4438-C2A-GM

IC RF TXRX ISM<1GHZ 20QFN

GPIO
4
Type
TxRx Only
Frequency
425MHz ~ 525MHz
Packaging
Tray
Datasheet (PDF)
RoHS Compliant

Why Choose Us

Quality Warranty
Quality guarantee
ESD Safe
Anti-static protection
Global Shipping
Fast delivery
Quick Response
Fast RFQ

Professional Packaging

Original Packaging

Factory sealed, ESD anti-static tray

Desiccant Protection

Humidity indicator card & silica gel included

Vacuum Sealing

Moisture barrier bag, nitrogen filled

Secure Boxing

Anti-vibration foam, shock-proof labeling

ParameterValue
CategoryRF Transceiver ICs
ManufacturerSilicon Labs
GPIO4
TypeTxRx Only
Series-
Protocol-
Frequency425MHz ~ 525MHz
PackagingTray
ModulationFSK, GFSK, GMSK, OOK
Memory Size-
Part StatusActive
Sensitivity-124dBm
Mounting TypeSurface Mount
Package / Case20-VFQFN Exposed Pad
Power - Output20dBm (Max)
Data Rate (Max)500kbps
Voltage - Supply1.8V ~ 3.6V
Serial InterfacesSPI
RF Family/StandardGeneral ISM < 1GHz
Base Product NumberSI4438
Current - Receiving13.7mA
DigiKey ProgrammableNot Verified
Operating Temperature-40°C ~ 85°C
Current - Transmitting75mA
Supplier Device Package20-QFN (4x4)
Package
-
MSL
-

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