Technical Specifications of SI4431-B1-FM
| Datasheet |  SI4431-B1-FM datasheet |
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| Category | RF/IF and RFID |
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| Family | RF Transceiver ICs |
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| Manufacturer | Silicon Labs |
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| Series | - |
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| Packaging | Tube |
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| Part Status | Not For New Designs |
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| Type | TxRx Only |
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| RF Family/Standard | General ISM < 1GHz |
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| Protocol | - |
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| Modulation | FSK, GFSK, OOK |
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| Frequency | 240MHz ~ 930MHz |
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| Data Rate (Max) | 256kbps |
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| Power - Output | 13dBm (Max) |
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| Sensitivity | -121dBm |
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| Memory Size | - |
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| Serial Interfaces | SPI |
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| GPIO | 3 |
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| Voltage - Supply | 1.8 V ~ 3.6 V |
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| Current - Receiving | 18.5mA |
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| Current - Transmitting | 17mA ~ 30mA |
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| Operating Temperature | -40°C ~ 85°C |
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| Package / Case | 20-VFQFN Exposed Pad |
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