20-Pin QFN EP RF Transceiver supporting FSK, GFSK, and OOK modulation. Features a 3x3x0.83mm Quad Flat No Lead package with exposed pad for surface mounting. Operates across 1.8V to 3.6V supply voltage, with a typical 3V. Supports a maximum data rate of 500Kbps and an RF operating frequency range of 283 to 1500 MHz, with a maximum RF frequency of 960 MHz. Suitable for operation between -40°C and 85°C.
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Silicon Labs Si4455-B1A-FM technical specifications.
| Basic Package Type | Non-Lead-Frame SMT |
| Package Family Name | QFN |
| Package/Case | QFN EP |
| Package Description | Quad Flat No Lead Package, Exposed Pad |
| Lead Shape | No Lead |
| Pin Count | 20 |
| PCB | 20 |
| Package Length (mm) | 3 |
| Package Width (mm) | 3 |
| Package Height (mm) | 0.83 |
| Seated Plane Height (mm) | 0.85 |
| Pin Pitch (mm) | 0.5 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Category | Transceiver |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| Modulation Technique | FSK/GFSK/OOK |
| Maximum RF Operating Frequency Range | 500 to 1500MHz |
| Maximum RF Operating Frequency | 960MHz |
| Min Operating Supply Voltage | 1.8V |
| Operating Band Frequency | 283 to 350|425 to 525|850 to 960MHz |
| Max Operating Supply Voltage | 3.6V |
| Typical Operating Supply Voltage | 3V |
| Maximum Data Rate | 500Kbps |
| Cage Code | 6SQ24 |
| EU RoHS | Yes |
| HTS Code | 8542390001 |
| Schedule B | 8542390000 |
| ECCN | 5A991.b |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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