SI4123-BM vs SI4123-BT Comparison
Detailed side-by-side comparison of SI4123-BM by Silicon Labs 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.
Specification Comparison
| Parameter | SI4123-BM | SI4123-BT |
|---|---|---|
| Brand | Silicon Labs | Silicon Labs |
| Category | Clock & Timing | Clock & Timing |
| Lifecycle Status | Obsolete | Unknown |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.35 | $0.00 |
| Manufacturer | Silicon Labs (Energy Micro) | — |
| 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 | — |
| Supply Voltage (Vdd) | 2.7 V to 3.6 V | — |
| Typical Supply Current | 18 mA | 18 mA |
| Standby Current | 1 uA (deep power-down) | 1 uA |
| 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) | — |
| RoHS Status | Compliant | unknown |
| Lead-Free | Yes | — |
| Product Status | Obsolete (per distributor listings) | — |
| 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 |
| Operation Voltage | — | 3.6 V |
| Package | — | 24-pin TSSOP, 0.173 inch, 4.40 mm width |
| Input-to-Output Ratio | — | 1:2 |
| Integrated VCOs | — | Yes |
| 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] |
| Power-Down Modes | — | Programmable |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| REACH Status | — | unknown |
| AEC-Q100 Status | — | unknown |