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