SI4122-D-GMR vs SI4123-D-GMR Comparison
Detailed side-by-side comparison of SI4122-D-GMR by Silicon Labs and SI4123-D-GMR by Skyworks Solutions. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Skyworks Solutions
SI4123-D-GMR - Dual-Band RF Synthesizer | Skyworks (Tape & Reel)
SI4123-D-GMR ObsoleteSpecification Comparison
| Parameter | SI4122-D-GMR | SI4123-D-GMR |
|---|---|---|
| Brand | Silicon Labs | Skyworks Solutions |
| Category | Clock & Timing | RF Transceivers |
| Lifecycle Status | Active | Obsolete |
| Product Type | Dual-band RF frequency synthesizer IC with integrated VCOs | Dual-band RF frequency synthesizer |
| Maximum RF Frequency | 1.5 GHz | — |
| Listed RF Output | 1,720 MHz | — |
| Input Frequency Range | 2 MHz to 26 MHz | — |
| Operating Supply Voltage Range | 2.7 V to 3.6 V | — |
| Number of Circuits | 1 | 13 circuits |
| PLL | Yes | — |
| Divider/Multiplier | Yes/No | — |
| Operating Temperature Range | -40 °C to +85 °C | — |
| Package | 28-QFN (5 x 5 mm) exposed pad | 28-pin VFQFN with exposed pad |
| Mounting Type | SMD | Surface mount |
| Packaging | Reel | — |
| Manufacturer | Silicon Labs | Skyworks Solutions Inc. |
| RoHS Compliance | Compliant | — |
| Number of Pins | 28 pins | — |
| Phase Noise | [DATA_NEEDED: phase noise specifications] | [DATA_NEEDED: phase-noise specification] |
| Locking Time | [DATA_NEEDED: locking time specifications] | — |
| Supply Current | [DATA_NEEDED: supply current specifications] | 18 mA to 27 mA |
| Prescaler Division Ratios | [DATA_NEEDED: prescaler division ratios] | — |
| Integrated VCOs | — | Integrated VCOs |
| Frequency Range 1 | — | 900 MHz to 1800 MHz |
| Frequency Range 2 | — | 750 MHz to 1500 MHz |
| Supply Voltage Range | — | 2.7 V to 3.6 V |
| Output Power | — | -14 dBm to +1 dBm |
| Harmonic Rejection | — | -26 dBc to -20 dBc |
| Application Category | — | Clock generators, PLLs, and frequency synthesizers |
| RF Application | — | Wireless personal communications |
| Lifecycle Status | — | Obsolete |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Reference Clock | — | [DATA_NEEDED: reference-clock frequency and requirements] |
| Pinout | — | [DATA_NEEDED: complete manufacturer pinout] |
| Output Impedance | — | [DATA_NEEDED: RF output impedance] |
| Tuning Range | — | [DATA_NEEDED: synthesizer tuning range] |
| Package Dimensions | — | [DATA_NEEDED: package dimensions] |