SI4123-BT vs SI4123-BM Comparison
Detailed side-by-side comparison of SI4123-BT by Silicon Labs 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-BT | SI4123-BM |
|---|---|---|
| Brand | Silicon Labs | Silicon Labs |
| Category | Clock & Timing | Clock & Timing |
| Lifecycle Status | Unknown | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $4.35 |
| 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 | — |
| Standby Current | 1 uA | 1 uA (deep power-down) |
| Typical Supply Current | 18 mA | 18 mA |
| Mounting Type | Surface mount | Surface Mount |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| RoHS Status | unknown | Compliant |
| REACH Status | unknown | — |
| AEC-Q100 Status | unknown | — |
| 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 |
| Package / Case | — | 28-VFQFN Exposed Pad (5x5 mm) |
| Supplier Device Package | — | 28-QFN (5x5) |
| Operating Temperature | — | -40C to +85C (industrial) |
| Lead-Free | — | Yes |
| Product Status | — | Obsolete (per distributor listings) |