SI4123-D-GM vs SI4123-BM Comparison
Detailed side-by-side comparison of SI4123-D-GM by Skyworks Solutions and SI4123-BM 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 | SI4123-D-GM | SI4123-BM |
|---|---|---|
| Brand | Skyworks Solutions | Silicon Labs |
| Category | RF Transceivers | Clock & Timing |
| Lifecycle Status | Obsolete | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $4.35 |
| 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 | — |
| Number of Circuits | 13 circuits | 1 |
| Application Category | Clock generators, PLLs, and frequency synthesizers | — |
| RF Application | Wireless personal communications | — |
| Mounting Type | Surface mount | Surface Mount |
| Manufacturer | Skyworks Solutions Inc. | Silicon Labs (Energy Micro) |
| Lifecycle Status | Obsolete | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| 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] | — |
| 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 |
| 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) |
| Lead-Free | — | Yes |
| Product Status | — | Obsolete (per distributor listings) |