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| Part Number | SI1081-A-GMR | SI1085-A-GMR | SI1084-A-GMR | SI1082-A-GMR | SI1083-A-GMR | SI1021-A-GMR | SI1031-A-GMR | SI1061-A-GMR | SI1080-A-GMR | SI1081-A-GM |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Product Status | Active | Active | Active | Active | Active | Obsolete | Obsolete | Active | Active | Active |
| Type | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU |
| RF Family/Standard | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz |
| Protocol | - | - | - | - | - | EZRadioPro | EZRadioPro | - | - | - |
| Modulation | 4FSK, 4GFSK, FSK, GFSK, OOK | 4FSK, 4GFSK, FSK, GFSK, OOK | 4FSK, 4GFSK, FSK, GFSK, OOK | 4FSK, 4GFSK, FSK, GFSK, OOK | 4FSK, 4GFSK, FSK, GFSK, OOK | FSK, GFSK, OOK | FSK, GFSK, OOK | 4FSK, 4GFSK, FSK, GFSK, OOK | 4FSK, 4GFSK, FSK, GFSK, OOK | 4FSK, 4GFSK, FSK, GFSK, OOK |
| Frequency | 142MHz ~ 1.05GHz | 283MHz ~ 350MHz, 425MHz ~ 525MHz, 850MHz ~ 960MHz | 283MHz ~ 350MHz, 425MHz ~ 525MHz, 850MHz ~ 960MHz | 142MHz ~ 1.05GHz | 142MHz ~ 1.05GHz | 240MHz ~ 960MHz | 240MHz ~ 960MHz | 142MHz ~ 1.05GHz | 142MHz ~ 1.05GHz | 142MHz ~ 1.05GHz |
| Data Rate (Max) | 1Mbps | 500kbps | 500kbps | 1Mbps | 1Mbps | 256Kbps | 256Kbps | 1Mbps | 1Mbps | 1Mbps |
| Power - Output | 20dBm | 13dBm | 13dBm | 20dBm | 13dBm | 20dBm (Max) | 20dBm (Max) | 20dBm | 20dBm | 20dBm |
| Sensitivity | -126dBm | -116dBm | -116dBm | -126dBm | -126dBm | -121dBm | -121dBm | -126dBm | -126dBm | -126dBm |
| Memory Size | 8kB Flash, 768B RAM | 8kB Flash, 768B RAM | 16kB Flash, 768B RAM | 16kB Flash, 768B RAM | 8kB Flash, 768B RAM | 64kB Flash, 8.5kB RAM | 64kB Flash, 8.5kB RAM | 32kB Flash, 4kB RAM | 16kB Flash, 768B RAM | 8kB Flash, 768B RAM |
| Serial Interfaces | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART |
| GPIO | 15 | 15 | 15 | 15 | 15 | 53 | 53 | 15 | 15 | 15 |
| Voltage - Supply | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.8V | 1.8V ~ 3.8V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V |
| Current - Receiving | 10.7mA ~ 13.7mA | 10.7mA ~ 13.7mA | 10.7mA ~ 13.7mA | 10.7mA ~ 13.7mA | 10.7mA ~ 13.7mA | 18.5mA | 18.5mA | 10.7mA ~ 13.7mA | 10.7mA ~ 13.7mA | 10.7mA ~ 13.7mA |
| Current - Transmitting | 70mA ~ 85mA | 18mA ~ 29mA | 18mA ~ 29mA | 18mA ~ 29mA | 18mA ~ 29mA | 85mA | 85mA | 70mA ~ 85mA | 70mA ~ 85mA | 70mA ~ 85mA |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 36-WFQFN Exposed Pad | 36-WFQFN Exposed Pad | 36-WFQFN Exposed Pad | 36-WFQFN Exposed Pad | 36-WFQFN Exposed Pad | 85-VFLGA Exposed Pad | 85-VFLGA Exposed Pad | 36-WFQFN Exposed Pad | 36-WFQFN Exposed Pad | 36-WFQFN Exposed Pad |
| Supplier Device Package | 36-QFN (5x6) | 36-QFN (5x6) | 36-QFN (5x6) | 36-QFN (5x6) | 36-QFN (5x6) | 85-LGA (6x8) | 85-LGA (6x8) | 36-QFN (5x6) | 36-QFN (5x6) | 36-QFN (5x6) |
