SI4123-BM vs SI4123-D-GM Comparison
Detailed side-by-side comparison of SI4123-BM by Silicon Labs and SI4123-D-GM by Skyworks Solutions. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | SI4123-BM | SI4123-D-GM |
|---|---|---|
| Brand | Silicon Labs | Skyworks Solutions |
| Category | Clock & Timing | RF Transceivers |
| Lifecycle Status | Obsolete | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.35 | $0.00 |
| Manufacturer | Silicon Labs (Energy Micro) | Skyworks Solutions Inc. |
| Part Number | SI4123-BM | — |
| Function | Dual-Band RF Frequency Synthesizer with integrated VCOs | — |
| Maximum RF Output Frequency | 1.8 GHz | — |
| Crystal Reference Input | 2 MHz to 26 MHz | — |
| Input:Output Ratio | 1:2 | — |
| Number of Circuits | 1 | 13 circuits |
| Supply Voltage (Vdd) | 2.7 V to 3.6 V | — |
| Typical Supply Current | 18 mA | — |
| Standby Current | 1 uA (deep power-down) | — |
| Package / Case | 28-VFQFN Exposed Pad (5x5 mm) | — |
| Supplier Device Package | 28-QFN (5x5) | — |
| Mounting Type | Surface Mount | Surface mount |
| Operating Temperature | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS status] |
| Lead-Free | Yes | — |
| Product Status | Obsolete (per distributor listings) | — |
| Product Type | — | Dual-band RF frequency synthesizer |
| 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 |
| Supply Current | — | 18 mA to 27 mA |
| Output Power | — | -14 dBm to +1 dBm |
| Harmonic Rejection | — | -26 dBc to -20 dBc |
| Package | — | 28-pin VFQFN with exposed pad |
| Application Category | — | Clock generators, PLLs, and frequency synthesizers |
| RF Application | — | Wireless personal communications |
| Lifecycle Status | — | Obsolete |
| Reference Clock | — | [DATA_NEEDED: reference-clock frequency and requirements] |
| Pinout | — | [DATA_NEEDED: complete manufacturer pinout] |
| Output Impedance | — | [DATA_NEEDED: RF output impedance] |
| Phase Noise | — | [DATA_NEEDED: phase-noise specification] |
| Tuning Range | — | [DATA_NEEDED: synthesizer tuning range] |
| Package Dimensions | — | [DATA_NEEDED: package dimensions] |