Silicon Labs20-VFQFN Exposed PadRoHS
SI4438-B1C-FMR
IC RF TXRX+MCU ISM<1GHZ 20VFQFN
Category
Subcategory
Rf Transceiver Ics
Package
20-VFQFN Exposed Pad
Status
Not For New Designs
Datasheet
$3.66 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Silicon Labs |
| Model | SI4438-B1C-FMR |
| Package / Case | 20-VFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Supply | 1.8V ~ 3.6V |
| Frequency | 425MHz ~ 525MHz |
| Supplier Device Package | 20-QFN (4x4) |
| RoHS | RoHS |
| Part Status | Not For New Designs |
Application & Notes
SI4438-B1C-FMR by Silicon Labs is a commonly used electronic component in the Rf Transceiver Ics category. Available in 20-VFQFN Exposed Pad package with -40°C ~ 85°C operating temperature range. Contact us for datasheet, pricing, and availability.
📖 Technical Guides for SI4438-B1C-FMR
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All Technical Specifications
| GPIO | 4 |
| Type | TxRx + MCU |
| Frequency | 425MHz ~ 525MHz |
| Modulation | FSK, GFSK, GMSK, OOK |
| Sensitivity | -124dBm |
| Power - Output | 20dBm (Max) |
| Data Rate (Max) | 500kbps |
| Voltage - Supply | 1.8V ~ 3.6V |
| Serial Interfaces | SPI |
| RF Family/Standard | General ISM < 1GHz |
| Current - Receiving | 14mA |
| Current - Transmitting | 75mA |
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