SI4123-BT vs SI4123-D-GMR Comparison
Detailed side-by-side comparison of SI4123-BT 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 | SI4123-BT | SI4123-D-GMR |
|---|---|---|
| Brand | Silicon Labs | Skyworks Solutions |
| Category | Clock & Timing | RF Transceivers |
| Lifecycle Status | Unknown | Obsolete |
| Device Type | Frequency synthesizer IC | — |
| Product Description | Dual-band RF synthesizer with integrated VCOs | — |
| Maximum Frequency | 1.8 GHz | — |
| Supply Voltage Range | 2.7 V to 3.6 V | 2.7 V to 3.6 V |
| Operation Voltage | 3.6 V | — |
| Package | 24-pin TSSOP, 0.173 inch, 4.40 mm width | 28-pin VFQFN with exposed pad |
| Input-to-Output Ratio | 1:2 | — |
| Integrated VCOs | Yes | Integrated VCOs |
| Integrated Loop Filters | Yes | — |
| Integrated Varactors | Yes | — |
| Integrated Resonators | Yes | — |
| Minimum External Components | 2 external components | — |
| Phase Noise | Low phase noise; exact value [DATA_NEEDED: phase-noise specification] | [DATA_NEEDED: phase-noise specification] |
| Power-Down Modes | Programmable | — |
| Standby Current | 1 uA | — |
| Typical Supply Current | 18 mA | — |
| Mounting Type | Surface mount | Surface mount |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| RoHS Status | unknown | [DATA_NEEDED: RoHS status] |
| REACH Status | unknown | — |
| AEC-Q100 Status | unknown | — |
| Product Type | — | Dual-band RF frequency synthesizer |
| Frequency Range 1 | — | 900 MHz to 1800 MHz |
| Frequency Range 2 | — | 750 MHz to 1500 MHz |
| Supply Current | — | 18 mA to 27 mA |
| Output Power | — | -14 dBm to +1 dBm |
| Harmonic Rejection | — | -26 dBc to -20 dBc |
| Number of Circuits | — | 13 circuits |
| Application Category | — | Clock generators, PLLs, and frequency synthesizers |
| RF Application | — | Wireless personal communications |
| Manufacturer | — | Skyworks Solutions Inc. |
| Lifecycle Status | — | Obsolete |
| 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] |