SI4122-BT vs SI4122-D-GT Comparison
Detailed side-by-side comparison of SI4122-BT by Silicon Labs and SI4122-D-GT by Silicon Labs. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | SI4122-BT | SI4122-D-GT |
|---|---|---|
| Brand | Silicon Labs | Silicon Labs |
| Category | Clock & Timing | Clock & Timing |
| Lifecycle Status | Unknown | Obsolete |
| Product Type | Frequency synthesizer IC | Dual-band RF synthesizer with integrated VCOs |
| Frequency | 1.5 GHz | — |
| Supply Voltage Range | 2.7 V to 3.6 V | 2.7 V to 3.6 V |
| Typical Supply Current | 18 mA | — |
| Standby Current | 1 µA | — |
| Architecture | Dual-band RF synthesizer | Phase-locked loop with integrated VCOs |
| Integrated Blocks | Integrated VCOs, loop filters, varactors, and resonators | — |
| External Components Required | 2 minimum | — |
| Input-to-Output Ratio | 1:2 | — |
| Operating Mode | 3.6 V operation | — |
| Package | 24-pin TSSOP | 24-pin TSSOP, 4.40 mm width |
| Package Width | 0.173 in (4.40 mm) | — |
| Mounting Type | SMD/SMT | Surface mount |
| Category | Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers | — |
| Manufacturer | Silicon Labs | Silicon Labs / Skyworks Solutions, Inc. |
| RoHS | [DATA_NEEDED: RoHS status] | — |
| REACH | [DATA_NEEDED: REACH status] | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| MSL Level | Level 3, 168 hours | — |
| HTSUS Code | 8542.39.0001 | — |
| Lower RF Frequency Range | — | 750 MHz to 1500 MHz |
| Upper RF Frequency Range | — | 900 MHz to 1800 MHz |
| Reference Input Frequency Range | — | 2 MHz to 26 MHz |
| Supply Current | — | 18 mA to 27 mA |
| Output Configuration | — | RF2/IF output |
| Output Power | — | -14 dBm to 1 dBm |
| Harmonic Content | — | -26 dBc to -20 dBc |
| Device Frequency | — | 1.5 GHz |
| Application | — | Wireless communications |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| Phase Noise | — | [DATA_NEEDED: phase noise] |
| Lock Time | — | [DATA_NEEDED: PLL lock time] |
| Tuning Resolution | — | [DATA_NEEDED: tuning resolution] |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |
| REACH Status | — | [DATA_NEEDED: REACH status] |