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| PartNumber | SI4123-D-GM | SI4123-D-GT | SI4123-D-GMR |
| Description | Phase Locked Loops - PLL RF synthesizer with RF1/IF output | Phase Locked Loops - PLL RF synthesizer with RF1/IF output | Clock Generators & Support Products Single-Band RF Synthesizer (RF1/IF), lead free |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | Phase Locked Loops - PLL | Phase Locked Loops - PLL | Clock Generators & Support Products |
| RoHS | Y | Y | Y |
| Type | RF Synthesizer | RF Synthesizer | - |
| Number of Circuits | 3 | 3 | - |
| Maximum Input Frequency | 26 MHz | 26 MHz | - |
| Minimum Input Frequency | 2 MHz | 2 MHz | - |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | MLP-28 | TSSOP-24 | - |
| Packaging | Tray | Tube | Reel |
| Height | 0.84 mm | 1.05 mm | - |
| Length | 5 mm | 7.8 mm | - |
| Series | SI4123 | SI4123 | SI4123 |
| Width | 5 mm | 4.4 mm | - |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Moisture Sensitive | Yes | Yes | Yes |
| Operating Supply Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | - |
| Product Type | PLLs - Phase Locked Loops | PLLs - Phase Locked Loops | Clock Generators |
| Factory Pack Quantity | 490 | 62 | 2500 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | Clock & Timer ICs |
| Unit Weight | 0.002243 oz | 0.003092 oz | - |